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homework 发表于 2019-11-13 11:32:53 | 显示全部楼层 |阅读模式
homework
2019-11-13 11:32:53 79 0 看全部
19秋《高等数学(下)》作业_13 Q9 p0 g# @" e' a
奥鹏作业答案可以联系QQ 761296021# D4 T, `5 ]" \6 B# S, Y+ O
1.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/3729.jpg"/>
% H# e; D; n) ]0 O- k    A.[A]
7 F8 h2 ^- U! B, H1 Y    B.[B]+ R1 {3 g+ w: P
    C.[C]
% E6 Y5 w$ [) W: r0 n7 H    D.[D]
# ~9 j" e3 j4 x& @2.[单选题]将<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image566.gif" width="73" height="24"/></sub>(<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image568.gif" width="75" height="17"/></sub>)展开为傅立叶级数时<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image570.gif" width="32" height="24"/></sub>(   )
  B+ m/ x3 I5 Q6 Z% S7 ^( S4 i    A.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image572.gif\" width=\"33\" height=\"41\" /></sub></span>% U& ^1 D! F. h# s( @# Y# [" E
    B.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image574.gif\" width=\"20\" height=\"21\" /></sub>                  </span>/ x# F4 b* \# R5 S# v
    C.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image576.gif\" width=\"28\" height=\"21\" /></sub> </span>! w" e* @& Y" x
    D.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image578.gif\" width=\"32\" height=\"41\" /></sub></span>
9 y6 `0 _1 O2 W# e3.[单选题]设D:<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image462.gif" width="188" height="38"/></sub>=(   )
1 r- s8 R1 j# v7 U3 r! Y    A.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image464.gif\" width=\"39\" height=\"21\" /></sub></span>
. u1 l$ {# ?, E9 Y; \1 L3 R) h    B.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image466.gif\" width=\"31\" height=\"21\" /></sub>               </span>
4 `% K3 _% z3 @* h    C.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image468.gif\" width=\"39\" height=\"21\" /></sub>  </span>
2 U9 m3 b' V- e  ~2 ]    D.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image470.gif\" width=\"33\" height=\"19\" /></sub></span>6 p* t  ^- G! w! G; z  q
4.[单选题]二重积分<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image410.gif" width="143" height="39"/></sub>(   ),D为<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image412.gif" width="167" height="21"/></sub>所围成的矩形区域。
4 m! C& R, X( c    A.7/ ]- \" j* G6 R9 b% D' s; [9 a# J
    B.8
( F- C* ]# f3 Q) F* m* y* r! o    C.9
+ x; N  i  I- A2 {8 S1 D    D.10
- M( \1 u8 d( U$ {" D5.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/3737.GIF"/>
, L* M0 H! M# K3 Y. _0 u% W    A.[A]+ [" N9 S4 Q( S7 d4 t& l- t
    B.[B]  N/ Q) q% A7 T
    C.[C]- D2 G$ {; h0 B: i$ W; L: j" W( O# O
    D.[D]
" K. t2 K" ^7 f! T1 @6.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/3781.jpg"/>& b) c. D% u: x0 x
    A.[A]
9 U  V1 j. @% E  ^9 D8 S) P    B.[B]- H) A: |/ y- ^( e4 W
    C.[C]. [, m6 y9 _( V& G
    D.[D]3 ?0 t- n/ v2 e7 |, A5 S" ?
7.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/3770.GIF"/>
6 A6 }" P3 s: q0 i8 Y    A.[A]
) G! ~9 z( j  T0 W$ d* s    B.[B]
1 E. z# E, E: P; G- Q. T    C.[C]. s2 I9 ]$ x) z1 a+ p
    D.[D]
. c1 }3 b5 B' H8.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/3730.jpg"/>' x5 X, I$ \& J0 ^: o
    A.[A]/ {8 [; g. C2 i/ q
    B.[B]2 N  j* V  h5 f9 z# i! d5 j
    C.[C]/ I" M: N$ s: q0 ^; T
    D.[D]
' ^, |1 N- D* h& ?7 H8 `# E  y9 F+ |$ t9.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/3732.jpg"/>  B) u4 ]! X5 {7 F1 {8 X
    A.[A]
5 P1 I7 q7 G- {# a    B.[B]
3 v3 @7 U1 @" Y( _1 F; Q, v    C.[C]
% M4 E' I! b/ k7 |' ?    D.[D]* H1 A: P2 l8 r4 R
10.[单选题]如果<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image311.gif" width="52" height="21"/></sub>具有二阶连续偏导数,则<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image313.gif" width="83" height="47"/></sub>(   )
4 e% Y2 [9 M, J" {! s4 U    A.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image315.gif\" width=\"69\" height=\"44\" /></sub></span>$ b9 j* e. b) g0 y3 F9 R3 h
    B.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image317.gif\" width=\"69\" height=\"44\" /></sub>           </span>3 c( z# d0 ^- l
    C.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image319.gif\" width=\"69\" height=\"47\" /></sub>  </span>
- ], i/ z, s6 H6 k9 M8 K+ f    D.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image321.gif\" width=\"69\" height=\"47\" /></sub></span>
$ h- X- l5 o+ O* a2 i: B$ v11.[单选题]正项级数<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image490.gif" width="53" height="45"/></sub>,当(   )时收敛。& N; r/ v' n. f$ y1 ~6 `
    A.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image492.gif\" width=\"28\" height=\"17\" /></sub>2</span>0 Y6 G) K8 q; r9 ^1 ~
    B.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image492.gif\" width=\"28\" height=\"17\" /></sub>3              </span>/ X% J( Y  K% m; G0 f" d
    C.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image492.gif\" width=\"28\" height=\"17\" /></sub>4</span>" g& m8 F& ~# m9 s4 J* {, }
    D.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image492.gif\" width=\"28\" height=\"17\" /></sub>1</span>3 P, K& l8 I4 X2 W& p
12.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/3747.jpg"/>5 w2 i3 R: O4 O( H
    A.[A]
. R" U/ q0 k8 P+ q- {3 a$ N    B.[B]
. v7 y, y" ~$ ?    C.[C]
) Z/ f7 F, _5 d: ^    D.[D]
$ w" m# {* J) M1 W' |/ v" P13.[单选题]函数<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image120.gif" width="113" height="24"/></sub>关于<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image086.gif" width="13" height="15"/></sub>的偏导数为(   )
6 T( {/ k) R+ x    A.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image123.gif\" width=\"92\" height=\"41\" /></sub></span>' N6 i  [" ~- M$ ^
    B.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image125.gif\" width=\"89\" height=\"24\" /></sub>     </span>3 W$ W1 ]9 ^. I/ ]! k# a
    C.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image127.gif\" width=\"80\" height=\"24\" /></sub>  </span>7 J6 R5 {* F6 S. ~9 d2 S1 Q- j
    D.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image129.gif\" width=\"67\" height=\"24\" /></sub></span>- E$ L: h; U, {
14.[单选题]若<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image330.gif" width="45" height="24"/></sub>,则<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image332.gif" width="55" height="48"/></sub>(   )' @$ U- x& z: z7 j( P% p0 C6 Z
    A.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image334.gif\" width=\"12\" height=\"15\" /></sub></span>
' W0 m% `( G+ H( i+ f2 V: e    B.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image327.gif\" width=\"16\" height=\"13\" /></sub>                    </span>
' d$ c. {8 N& ?' ?" k    C.1
: B6 g" Q# e  g8 i8 x    D.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image338.gif\" width=\"28\" height=\"41\" /></sub></span>
- K$ P4 W; }8 m0 p15.[单选题]已知<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image146.gif" width="128" height="24"/></sub>,则<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image148.gif" width="24" height="41"/></sub>为(   )
3 G- s3 G6 {' E) d    A.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image150.gif\" width=\"60\" height=\"24\" /></sub></span>
* j7 r4 [4 x6 x    B.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image152.gif\" width=\"53\" height=\"24\" /></sub>                 </span>  f/ E" c6 Z* j
    C.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image154.gif\" width=\"60\" height=\"24\" /></sub>  </span>. w' }9 V9 P( v( I. ^
    D.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image156.gif\" width=\"61\" height=\"24\" /></sub></span>1 {0 c. L% o; o0 [# h8 Q& ~5 b9 d
16.[判断题]函数<em><sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image723.gif" width="92" height="24"/></sub></em>的全微分<img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image725.gif" width="33" height="19"/><i>-</i><sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image727.gif" width="108" height="24"/></sub>。: q5 j( n- R+ |4 W# F! ?* ~9 [
    A.对
6 c" d$ w% B5 `    B.错
, C8 t! B5 V1 g9 x1 d17.[判断题]<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image743.gif" width="156" height="41"/></sub>,<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image169.gif" width="16" height="21"/></sub>、<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image746.gif" width="15" height="17"/></sub>具有二阶偏导数,则<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image177.gif" width="36" height="41"/></sub><sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image749.gif" width="152" height="41"/></sub>。
; p3 \5 X/ m  ~1 v4 a7 I- d
! L7 L( F/ d3 R1 s# s- g    A.对
: A! F- |) A6 X1 y0 d) F+ z    B.错
  N. ]0 \. J/ D/ }0 [( K5 e; x9 b2 C# J18.[判断题]级数<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image652.gif" width="39" height="45"/></sub>收敛,但<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image654.gif" width="93" height="45"/></sub>未必收敛。7 J& @1 a0 z  S6 r; z
    A.对6 E* Y6 V) D+ D3 O
    B.错, u$ {* B" h$ b, T
19.[判断题]函数<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image668.gif" width="181" height="24"/></sub>有极小值。* n9 H+ {8 F9 L; l
    A.对
: B1 C3 s* I4 |8 o    B.错% W8 W+ g" y6 y8 `' z! @7 S
20.[判断题]函数<em><sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image767.gif" width="111" height="29"/></sub></em>在点<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image262.gif" width="37" height="21"/></sub>处有极小值。
! o. Q1 Z& `3 c    A.对) `% m$ M$ V! O5 ~9 w) F! v
    B.错
7 G8 R/ Z% H% h9 [21.[判断题]幂级数的收敛域是收敛区间可能再加上端点。
# n1 q0 `; o: G! N# n7 E, x    A.对& M7 M; s( ^( U% U; c. g
    B.错
) _- `) D& \5 i- _/ D, I% Z$ X22.[判断题]设<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image104.gif" width="51" height="21"/></sub>是连续函数,则<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image624.gif" width="137" height="37"/><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image626.gif" width="137" height="37"/></sub>。3 u+ E: ^" m7 K' {% ?
    A.对
5 L! S/ _8 l% l: {* l6 p    B.错
8 z# q/ r# Y  U1 I0 v23.[判断题]级数<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image790.gif" width="44" height="55"/></sub>是收敛的。
+ t" G- q7 m  j. j% s" ~8 B    A.对7 {/ G: ?! m8 @9 J) i
    B.错
' T" @6 f3 ^  j0 t" q24.[判断题]设函数<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image104.gif" width="51" height="21"/></sub>在点<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image641.gif" width="53" height="24"/></sub>处的偏导数<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image643.gif" width="49" height="44"/></sub>都存在,则<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image104.gif" width="51" height="21"/></sub>在该点处可微。$ p; ~: c$ Q) J6 D4 m7 v
    A.对
( @. E1 }. P0 B2 Z    B.错) W2 e0 ?$ W! b
25.[判断题]设<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image580.gif" width="85" height="24"/></sub>,则<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image582.gif" width="83" height="44"/></sub>。* @. |1 O* y+ N; H; i, I
    A.对
2 d, n( b2 ?8 `8 I( k    B.错
; W2 p4 t9 {% p+ e19秋《高等数学(下)》作业_2
: K+ t( C! k( e% c  E& ^9 ^8 D6 m1.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/3785.jpg"/>* [; C6 @' c; z* _# V5 J: z' t8 e
    A.[A]% u/ m, J; i% i" c: _7 e
    B.[B]2 m; o- |" H% ^
    C.[C]/ x  V% r; z: |, p0 N
    D.[D]
  p+ W! M/ f- v9 q, a1 R2.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/3792.jpg"/>
$ N4 |2 c& E+ E) @: @    A.[A]/ U: c- l% l# x8 \7 u8 Q2 v! t
    B.[B]) I. N3 o* Y! e5 s- R
    C.[C]. l/ V+ |2 T+ X. a1 b1 c* f  b7 m8 i
    D.[D]. |# e, _& ?# ~9 Y& Q# ^+ e9 q' l
3.[单选题]设<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image506.gif" width="41" height="45"/></sub>收敛,则下列级数中一定收敛的是(   )
- `  A7 V& g0 `5 [  A% I$ ?; c    A.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image508.gif\" width=\"47\" height=\"45\" /></sub></span># C8 K# L' E, o. i7 x
    B.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image510.gif\" width=\"87\" height=\"45\" /></sub>   </span>
; ?2 c3 v; S6 E$ c0 B. h- Y# [    C.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image512.gif\" width=\"103\" height=\"45\" /></sub>  </span>: }) k$ t6 ]3 o# b/ W0 B4 Z) A9 O* z
    D.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image514.gif\" width=\"44\" height=\"47\" /></sub></span>
9 ~4 V/ v- D5 ?/ C0 h4 ~6 K4.[单选题]函数<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image187.gif" width="181" height="29"/></sub>的定义域是(   )9 o' m* R7 p- S8 W/ C" Q
    A.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image189.gif\" width=\"116\" height=\"24\" /></sub></span>7 E# |7 l8 S4 m6 i: u
    B.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image191.gif\" width=\"120\" height=\"24\" /></sub>  </span>* o$ N. h) d; B& n+ |( W5 P# a
    C.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image193.gif\" width=\"120\" height=\"20\" /></sub>  </span>7 Z; |, }. t) l% U/ |3 \  l
    D.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image195.gif\" width=\"120\" height=\"24\" /></sub></span>
0 f( v) b! G% }3 @. G5.[单选题]<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image299.gif" width="97" height="29"/></sub>的定义域是(   )( T8 j5 a! M2 V4 t% n9 w
    A.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image301.gif\" width=\"105\" height=\"24\" /></sub></span>5 ~& L  U/ u, r+ G
    B.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image303.gif\" width=\"105\" height=\"24\" /></sub></span>
2 Y, S8 p& l9 |) L/ F    C.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image305.gif\" width=\"105\" height=\"24\" /></sub> </span>2 E4 e2 f7 `1 y$ W. a
    D.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image307.gif\" width=\"105\" height=\"24\" /></sub></span>
6 {0 |; Z8 m: Y: E- F: q6.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/3804.jpg"/>
, }4 ?: b5 i  E$ h" t4 U    A.[A]" E7 K. ~2 Y$ H* X/ `0 ~- p! F
    B.[B]
6 t9 Q+ [. v; \  c4 J4 w    C.[C]
% ^9 d; ?2 A% C% Y4 Z# t9 x7 b    D.[D]
0 X2 Q3 D  n, j3 o! O! y& A7.[单选题]二元连续函数经过四则运算和复合运算后(   )2 z0 P4 n. S  p7 V" `
    A.仍为二元连续函数
7 x0 T9 r. l/ N: H. E    B.肯定不是二元函数- v" s3 f6 `( Q. J9 C6 H
    C.必然是一元函数
  w# X( O. P! V+ o5 x    D.可能是三元函数
6 b% D- g4 d) q3 Y* K8.[单选题]<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image175.gif" width="44" height="21"/></sub>的偏导数中,<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image177.gif" width="36" height="41"/></sub>(   )
, ?, X. k) N' K5 y/ c) O7 t: \" J$ W    A.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image179.gif\" width=\"43\" height=\"24\" /></sub></span>' r4 z6 g1 p' J
    B.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image181.gif\" width=\"45\" height=\"24\" /></sub>                   </span>- A2 V# x: M$ R: p1 M
    C.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image183.gif\" width=\"45\" height=\"24\" /></sub>  </span>% H4 V/ r+ A6 g' B1 m: b, _/ H7 v
    D.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image185.gif\" width=\"37\" height=\"24\" /></sub></span>
" _8 F$ _% S6 E# j, v4 J8 T) t9.[单选题]在计算多元函数对某个自变量的偏导数时,对于其余自变量的正确处理是(   )
4 k# c$ i' N+ l+ p" O    A.视为变量. b7 E* W' D8 v6 M9 T
    B.看作常数
* M& Y# b* K$ Q! y' [4 ^    C.无法确定
% h* s8 I. ?$ K- s# Z1 W    D.看做因变量
5 A. g9 H4 X9 O2 d8 e( l10.[单选题]<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image034.gif" width="95" height="24"/></sub>的通解为(   )  N9 ^* y* g# |; q8 Z
    A.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image036.gif\" width=\"76\" height=\"21\" /></sub></span>2 L5 u- X: T7 c0 e6 @2 N' r/ `; `
    B.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image038.gif\" width=\"88\" height=\"21\" /></sub>              </span>: Z; V; I& `5 E0 c
    C.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image040.gif\" width=\"96\" height=\"21\" /></sub>  </span>; R! i* V7 @2 c& X+ ]- K
    D.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image042.gif\" width=\"96\" height=\"21\" /></sub></span>8 d0 Q: ~/ E3 t3 K- x1 ^1 Z5 {
11.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/3728.BMP"/>' G2 s! j* A5 r* Z( V
    A.[A]
0 \; g* ^, _3 K" H) b; w4 u9 [0 G6 M    B.[B]
! b' w& `" X$ z    C.[C]
! V, C/ S% g# N$ `    D.[D]
( Y9 K6 b3 K' y12.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/3778.jpg"/>
7 Z3 I  U! \9 K8 D( \    A.[A]
/ w: m3 \0 `  F9 b9 m" T0 V    B.[B]
/ b* X0 V  p  `) E) b' i. a. g    C.[C]
/ R" x8 Z  c. I" S( }3 u; [9 }  {- b3 |    D.[D]
; Z3 o8 V; R% U* Y" F; n* V8 I0 T* @13.[单选题]设<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image285.gif" width="83" height="41"/></sub>,则<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image287.gif" width="23" height="41"/></sub>=(   )
) U0 Z2 r2 a( \( f4 o: M    A.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image289.gif\" width=\"64\" height=\"44\" /></sub></span>5 z4 S5 s! ]9 K/ W8 l
    B.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image291.gif\" width=\"53\" height=\"44\" /></sub>                 </span>, h& Z7 ]4 m! j* W$ c2 j
    C.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image293.gif\" width=\"53\" height=\"44\" /></sub>  </span>6 l- v, N8 G2 j* L+ o
    D.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image295.gif\" width=\"53\" height=\"44\" /></sub></span>
7 @7 C3 t# I9 e14.[单选题]若<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image342.gif" width="112" height="27"/></sub>,则<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image344.gif" width="92" height="44"/></sub>(   )( h) j6 }/ U/ b( d
    A.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image346.gif\" width=\"63\" height=\"27\" /></sub></span>; ]( Y& f6 h9 U# m) P: W3 e. a
    B.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image348.gif\" width=\"63\" height=\"27\" /></sub>             </span>
& D4 Z$ e& a. Q2 \& C  O1 f, \    C.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image325.gif\" width=\"16\" height=\"41\" /></sub>  </span>
: z' S' M6 J" E$ C& r3 j, h& ^    D.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image338.gif\" width=\"28\" height=\"41\" /></sub></span>- r- a& c- ~6 t" @4 C: k3 e4 ?
15.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/3800.jpg"/>
  J6 g0 S' F; J7 ?    A.[A]
7 D2 e& {5 b3 ]! `    B.[B]
' j7 `2 |8 g9 Y. J" L- R    C.[C]
( O7 @+ ]( }( S& L    D.[D]
0 O8 n2 Q9 |3 L: y" n2 V16.[判断题]函数<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image596.gif" width="55" height="24"/></sub>在点<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image598.gif" width="36" height="21"/></sub>处取得极小值零。0 \& v. J* T& G
    A.对
1 m6 |" e0 B+ f9 s( N    B.错3 Q) k5 b) l5 Z4 {; _6 J
17.[判断题]在一个级数中任意去掉,增加或者改变有限项后,级数的收敛性不变。- z$ P" k$ |# g
    A.对
5 R% S: v6 z' I$ F2 d    B.错
- Z8 V) x1 }8 ^, Y9 Y18.[判断题]两个收敛的级数可以逐项相加与逐项相减。
  a2 Z6 |/ C/ l* K* w    A.对
8 ?/ e7 V5 s' z4 y' y  b5 d. ~    B.错
  p$ A0 F: M% a4 L. |/ W* ^19.[判断题]若级数<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image764.gif" width="51" height="45"/></sub>收敛,则称原级数<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image630.gif" width="40" height="45"/></sub>条件收敛。
; u, V8 K: n( _! g( h7 T    A.对
1 z- K+ n( \7 }, E    B.错
7 w3 r! m. N7 t3 a20.[判断题]如果常数项级数的部分和数列没有极限,就称该级数是发散的。
! L$ V& H" G( y    A.对+ L/ e( r7 ^7 v+ g- Z" _
    B.错: E/ R* y5 r. m4 _- b% Q
21.[判断题]已知<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image751.gif" width="152" height="21"/></sub>,若<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image753.gif" width="37" height="21"/></sub>,<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image755.gif" width="43" height="21"/></sub>,则<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image254.gif" width="23" height="41"/></sub>=<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image758.gif" width="76" height="41"/></sub>。, H( L" T+ X4 _6 E& v
    A.对' L0 K# g6 s1 y
    B.错
# C: |2 k3 M' I! G0 c$ z22.[判断题]若级数<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image628.gif" width="44" height="45"/></sub>发散,则<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image630.gif" width="40" height="45"/></sub>必发散。
; r& x5 \0 N; U$ K! A- K    A.对( ^7 u# k* L+ q+ f
    B.错7 {6 ]7 F, x) b* ^. s
23.[判断题]函数<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image634.gif" width="99" height="31"/></sub>在点(0,0)处可微。, }0 n1 B0 k+ U: p# r
    A.对- x! b- }- s/ D# P# ?
    B.错
# W1 ]3 x5 J3 x+ g+ N1 V24.[判断题]若函数<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image584.gif" width="76" height="21"/></sub>在<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image586.gif" width="64" height="24"/></sub>处的两个偏导数<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image600.gif" width="69" height="24"/></sub>与<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image602.gif" width="65" height="25"/></sub>均存在,则该函数在<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image164.gif" width="16" height="17"/></sub>点处一定连续。
! K) p" u" [/ g; D0 b" {  ~    A.对1 ]" i/ u1 Y5 g2 N8 D) B; _
    B.错# l' \% M$ _( }" I
25.[判断题]二元函数的驻点必为极值点。
) p/ j' t3 ]+ |    A.对
4 G" n+ @6 d/ s# F4 a. t1 I    B.错
  \* v' V, U9 ?; K/ ]* Q% m19秋《高等数学(下)》作业_3  P7 ~. u. C+ |% q  F
1.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/3797.jpg"/>    无忧答案网  q1647861640# b, W, `3 |' t
    A.[A]
' O/ v( d- |# P1 X  C; {  i2 q    B.[B]5 A) k9 k+ b. @7 d8 J  \
    C.[C]
4 M9 B! ^# ^* Q4 K8 ~    D.[D]
2 i. M! t2 Y! \2.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/3745.BMP"/>
! x1 K4 J" v1 O    A.[A]
1 m) S$ c, T9 N- C2 a5 Y# m    B.[B]0 {2 ~" y6 {' e0 t6 d/ N) ]
    C.[C]2 A5 t. J9 Z/ _9 p
    D.[D]- y8 S+ [2 F. F
3.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/3773.jpg"/>: k) A) U# q2 c* [5 \
    A.[A]9 x9 \& H( ]8 P& G
    B.[B]2 V1 o8 n; }. o+ l2 l5 o0 ^
    C.[C]% Q3 _) V6 f" E- C/ Z
    D.[D]
- x& o. ^( k+ z" z4.[单选题]设<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image158.gif" width="159" height="24"/></sub>则<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image160.gif" width="61" height="24"/></sub>(   )& R; ~; l* v0 B* N5 z: u- ]) ]
    A.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image094.gif\" width=\"9\" height=\"17\" /></sub></span>
2 G$ }) n: K$ b9 _$ D    B.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image096.gif\" width=\"21\" height=\"17\" /></sub>                  </span>- Y1 B* ?# c& x
    C.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image098.gif\" width=\"13\" height=\"17\" /></sub>  </span>
% I& n+ H4 N7 Q) f7 }    D.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image100.gif\" width=\"25\" height=\"17\" /></sub></span>
& p- y) V! X) g4 r. g5.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/3755.jpg"/>  @) U! ?* E& ?3 c# g) }) M
    A.[A]% @7 H3 l, y' D# E! M) Z
    B.[B]3 o9 {! W- p7 M: T5 K4 y* x, m" \
    C.[C]
3 v$ M6 }& M8 p% Q0 _& \4 G  {    D.[D]
$ M1 ^0 t# a4 p* b' ?* E7 I( o6.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/3752.jpg"/>- Y; N' Y4 v% z6 M3 b
    A.[A]
& h9 ?* F' L+ ^: T2 Q* s7 r    B.[B]. W. j8 q2 B1 U4 Q
    C.[C]  B7 y$ I  x, l( ^1 W# H- k
    D.[D], m6 l/ {0 k( C; Q5 c8 f
7.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/3783.jpg"/>
& r) D) T, L: ?6 ^' f/ o( ]% u1 m% D; s& x    A.[A]
# L5 i1 q3 c3 O! S$ {7 Q  ^    B.[B]( Z" B. `% @" {* e! m
    C.[C]
8 ^1 R2 y( X) _5 ^+ z    D.[D]
: w1 m0 }  ?3 L0 x8.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/3727.GIF"/>
. }- c; ]* r  |. E5 h; ^; c    A.[A]
3 O8 V" m# @+ M2 `& ^    B.[B]1 N9 O( R4 f+ ?. F8 s+ A% K" t# `6 v
    C.[C]
; X7 t8 Q1 q) _. _    D.[D]  ^  g+ q$ a7 b0 B9 N
9.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/3750.BMP"/>5 P; J$ b/ _3 ~& g2 k: s0 u
    A.[A]
' H$ `& T+ G' F1 A    B.[B]! d& b4 k/ l# V% a& n9 K
    C.[C]4 `$ E- |( v6 z. V6 [
    D.[D]4 c! _& m, L3 W4 {  q
10.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/3775.jpg"/>" i9 n. A. X3 P  b5 W
    A.[A]( g9 ^/ ?$ ?$ H, R4 G9 T7 [
    B.[B]
9 F% h, o" Q  J) {" e6 e9 f# z    C.[C]
% T8 ]5 h" p& [. T+ I' J  g( [    D.[D]0 b% D  R$ D/ y( M' }/ f
11.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/3790.jpg"/>
% e* t8 u7 A$ B# O    A.[A]
3 J* v6 c$ E% N0 B  E- u    B.[B]
# T! ?8 u: F+ e0 f, B- q    C.[C]
/ A! P) N6 e2 K. D* p: j! A& t    D.[D]
, h% k0 M% n- Z; o8 b, l. |12.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/3799.jpg"/>% }7 ^9 J: ^. z$ Z+ R' n; O
    A.[A]2 W+ \& O% D  ^" J( ^; U
    B.[B]9 v4 }8 Y$ o7 u0 b/ X* ^
    C.[C]
5 y. t2 ?8 S: ?: L9 E( u* ~    D.[D]
2 t; R5 F" ^% [8 h( Z13.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/3769.GIF"/>, R! R$ j" M0 [, B8 V1 \
    A.[A]
0 x! h6 T( a% B) f( t1 i/ |( t# J    B.[B]
2 ]; D, j% M& O# b* }    C.[C]  [7 y+ m, M: m/ [
    D.[D]+ S* B+ B% s" z+ H  }
14.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/3780.jpg"/>
5 L8 h8 R6 Z: t. R1 Z0 T5 R8 W7 W, s    A.[A]: P% y5 C$ \. W0 f" d' u5 w
    B.[B]
1 ~" P6 ]* v! i' i7 q, e    C.[C]
5 B$ h+ x' F* u4 @( Q    D.[D]& ]: V( b9 q! S' ]6 t4 s
15.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/3795.jpg"/>
/ K5 y; h% U# I    A.[A]
' p1 b; X; \5 i; w5 A5 \" r    B.[B], I- D, `" |! [+ Y
    C.[C]4 U& e+ ?* q' c& \# o' G9 |
    D.[D]
$ A. a+ l( W3 X. D( x5 R; s, m16.[判断题]设<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image674.gif" width="76" height="21"/></sub>,<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image676.gif" width="75" height="21"/></sub>,则<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image678.gif" width="59" height="41"/></sub>。& x+ q  m4 o5 |7 p
    A.对
- p* Y5 U% h6 |5 j2 I    B.错$ P2 ~9 B5 g$ p- e& J
17.[判断题]级数分析中,常常用莱布尼兹判敛法来判断正项级数的敛散性。5 n; f: T- h7 v
    A.对
% ?, [/ O3 w: {  J. P1 Z/ X, T    B.错
6 H6 u2 N5 o# O' I18.[判断题]<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image717.gif" width="23" height="41"/></sub>表示<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image719.gif" width="20" height="19"/></sub>与<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image721.gif" width="20" height="19"/></sub>的商。
! `1 q" a% m+ e, n6 ?9 v! O9 e    A.对
2 h" f/ P& H0 I' f6 h    B.错
/ W% s3 `4 R/ D+ W4 V19.[判断题]方程<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image682.gif" width="61" height="44"/></sub>所确定的隐函数<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image684.gif" width="12" height="13"/></sub>对<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image086.gif" width="13" height="15"/></sub>的偏导数<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image687.gif" width="49" height="44"/></sub>。
# Q6 X$ d/ e0 O4 a1 L6 y  Y" n    A.对
) i2 h, H0 m3 Q7 }4 a$ R    B.错& [/ o) z7 e* |" p
20.[判断题]设<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image378.gif" width="75" height="21"/></sub>在点<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image657.gif" width="51" height="24"/></sub>处可微,则<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image378.gif" width="75" height="21"/></sub>在点<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image657.gif" width="51" height="24"/></sub>必定连续。6 Z# E. E  W' u' ]' [
    A.对' ~- v  D, g) V" J0 ]* y5 [
    B.错
  f; E: e5 {7 G3 d21.[判断题]设<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image104.gif" width="51" height="21"/></sub>是连续函数,则<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image636.gif" width="235" height="40"/></sub>。
7 U* C( _) |0 N6 W' u6 q    A.对  b: K6 J1 d3 l2 V; o; f2 r
    B.错* m, p& T* c7 E% m/ u  u% w7 `( ]
22.[判断题]<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image733.gif" width="79" height="44"/></sub>的通解是<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image735.gif" width="61" height="41"/></sub>。
4 b- n  G6 _" {' c    A.对4 T3 b& w' f" k- K, \! F5 H
    B.错
/ I( F2 m1 e" i23.[判断题]<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image616.gif" width="88" height="49"/></sub>。6 G4 D( M! h6 c
    A.对! S  P/ P2 h/ w6 E, f
    B.错
5 d: g7 j# w$ n$ E  \24.[判断题]若多元函数在一点处连续,则它在该点处可微。
, e! m6 l# X8 x: y    A.对2 p1 A$ Q8 G9 W# n
    B.错
# n& K6 g1 z* I( U25.[判断题]函数<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image584.gif" width="76" height="21"/></sub>在<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image586.gif" width="64" height="24"/></sub>处一定有<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image588.gif" width="73" height="25"/><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image590.gif" width="87" height="25"/></sub>。4 V! o$ r  A) B0 c5 M' N' T, [$ H
    A.对
- @6 Y5 e/ d1 o+ M  ]- L    B.错5 n( }% y; P- S) r; h8 R" k0 P
19秋《高等数学(下)》作业_42 q0 n" K' L8 G2 ~0 ~# q- P
1.[单选题]级数<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image496.gif" width="77" height="47"/></sub>的收敛域为(   )& V, ?! K3 o/ {6 P7 n! M
    A.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image498.gif\" width=\"36\" height=\"21\" /></sub></span>
! N% u# O3 z. ?' @; J0 ]    B.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image500.gif\" width=\"37\" height=\"21\" /></sub>             </span>2 j8 O/ w3 W+ D; d5 s7 C
    C.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image502.gif\" width=\"37\" height=\"21\" /></sub>  </span>  j/ B0 t. G- m! ~! M3 j( W% o
    D.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image504.gif\" width=\"36\" height=\"21\" /></sub></span>
# |! Y5 E* W+ [8 U9 Q( C# Z9 H5 r2.[单选题]下列级数中一定收敛的是(   )
; @6 L1 X5 \/ N    A.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image516.gif\" width=\"67\" height=\"45\" /></sub></span>
+ b8 p6 S' ]& r- f5 @; ?) J' t    B.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image518.gif\" width=\"73\" height=\"47\" /></sub>        </span>. V1 _3 V+ A9 x. F+ y
    C.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image520.gif\" width=\"77\" height=\"49\" /></sub>  </span>, o4 @  i1 z. m9 ?
    D.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image522.gif\" width=\"120\" height=\"37\" /></sub></span>
. v5 P: \" y; s' N, u  v9 u3.[单选题]二元函数<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image258.gif" width="93" height="24"/></sub>的极大值点是(   )
3 Y! H. |" J" l+ v    A.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image256.gif\" width=\"35\" height=\"21\" /></sub></span>
4 x9 j: p& A& v; C% z% c    B.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image162.gif\" width=\"35\" height=\"21\" /></sub>             </span>
" w5 _4 d/ ?" U, W$ Y    C.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image262.gif\" width=\"37\" height=\"21\" /></sub>  </span>
3 |& l( s3 z1 [( A' r% x    D.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image264.gif\" width=\"32\" height=\"21\" /></sub></span>/ C! T( T( S) X8 A6 ?
4.[单选题]<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image323.gif" width="93" height="49"/></sub>(   )- Q/ c2 ~0 q! e' U- n3 o
    A.0
0 O$ e( d* G0 ^) \    B.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image325.gif\" width=\"16\" height=\"41\" /></sub>                    </span>8 Y+ G) n3 T: Z( r
    C.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image327.gif\" width=\"16\" height=\"13\" /></sub>  </span>
* W# N9 H9 X5 a! z5 F& p* z    D.不存在
8 ~4 D7 D8 A! b6 k" ~, N, I5.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/3746.jpg"/>4 b; y( Z' F) y1 M' k( E% L
    A.[A], ^0 y( H# P0 P% i( T& I
    B.[B]# O) {+ O5 w& z; |
    C.[C]4 y6 ~1 Z) ~: O/ t& ?) k/ N% a$ h" F
    D.[D]
$ T" l" @  x8 y+ g6.[单选题]<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image540.gif" width="40" height="45"/></sub>的和S=(   )7 o. B. t8 n- W1 Q
    A.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image542.gif\" width=\"15\" height=\"41\" /></sub></span>
/ D1 t* [. T$ g    B.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image544.gif\" width=\"16\" height=\"41\" /></sub>                    </span>  S: a. J5 p8 Q0 G) Z' b" e
    C.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image546.gif\" width=\"15\" height=\"41\" /></sub>  </span>' q7 ]/ t6 N' F6 p+ F7 P1 G
    D.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image548.gif\" width=\"16\" height=\"41\" /></sub></span>5 T8 L9 ]. d6 v$ d- Z3 Q; Q8 F& `
7.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/3768.jpg"/>/ K! i& _) q+ ~/ G" E% ^
    A.[A]* |4 U% [  ?) L. M. }
    B.[B]  F: P9 F- s; A, l. x* p
    C.[C]
% O# O8 e/ e# N- U, ]5 B0 j' m+ C' M    D.[D]
5 z, l5 q* C7 G  y. R8.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/3758.GIF"/>
* i: g5 z- J, l( ]! F    A.[A]
. q3 j/ W. \. K& n3 h    B.[B]
  \: s, l% A: H% i- u. S$ y    C.[C]. x  }3 W: B, `4 H! h8 p8 b; v6 j. b/ E
    D.[D]
& J- r% @2 r2 Z2 v; |9.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/3803.jpg"/>
0 R0 o+ n" V8 e( y# e8 D    A.[A]
* v6 y% @+ s) g  V9 S- b' s    B.[B]
# @! a6 i7 v9 P1 S6 r* s9 o    C.[C]
, k; S2 j, I8 l& A: A! p: \# H    D.[D]
' ~% d7 f. K; N1 _- e! F; K10.[单选题]级数<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image488.gif" width="61" height="47"/></sub>(   )
# G0 q4 m+ q2 k, T/ L: K    A.收敛
8 g6 ?. Z2 q) v% C    B.既不收敛亦不发散8 J4 Y7 J3 t- `( W  G/ `8 E' {" ^
    C.发散0 B" e  O7 t0 [. |6 [& [
    D.敛散性无法判断) n# n0 R7 q* y! C2 W! M/ m" \
11.[单选题]<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image044.gif" width="151" height="24"/></sub>满足初始条件<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image046.gif" width="57" height="24"/></sub>的特解的是(   )* |$ u- J9 }# U3 T3 Y" K2 F
    A.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image048.gif\" width=\"88\" height=\"24\" /></sub></span>
8 R$ @" N3 h0 L    B.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image050.gif\" width=\"107\" height=\"24\" /></sub>  </span>  r2 k4 E0 j  o6 J$ t- f
    C.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image052.gif\" width=\"89\" height=\"24\" /></sub> </span>
( `: g. p+ [/ }- h    D.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image054.gif\" width=\"107\" height=\"24\" /></sub></span>2 B4 g  ^& G6 i% j4 J5 Z5 i3 W
12.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/3771.jpg"/>
( A+ E8 Z  ~: R( x, b% z    A.[A]  M4 a) O4 j! A% |/ D
    B.[B]
2 x& u. L) \* v    C.[C]) h+ [% z- q# i6 m5 p9 L5 U
    D.[D]
6 }3 }7 Z  X* W3 x13.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/3738.GIF"/>
; P& J- E4 k* a6 @/ a- R6 v) `    A.[A]
' i+ o' [" g! w# I5 ?+ N) F# a    B.[B]
$ k) b* o  o0 ~; M    C.[C]" m& {  b  O" r
    D.[D]
+ k3 K$ p' R, F& ~- l9 l- u- @14.[单选题]<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/3762.jpg"/>
; m+ d4 A$ Z. o5 D  v' x  t1 b    A.[A]
" @- I5 K2 _8 }& o; c9 U    B.[B]
, Z5 l" T7 v0 P: P" |; q# e! p    C.[C]
0 q4 }5 p6 ?( b' v    D.[D]3 z! X* A4 P$ _$ d1 U# f
15.[单选题]过三点<img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image065.gif" width="203" height="21"/>的平面方程是(   )
. U6 m4 i- |4 v3 Q' V. z4 `    A.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image067.gif\" width=\"120\" height=\"19\" /></sub></span>% F! v$ Y1 I& _! p* P% p
    B.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image069.gif\" width=\"120\" height=\"18\" /></sub>             </span>( l/ r/ Q' e6 E) g: Z
    C.<span><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image070.gif\" width=\"136\" height=\"21\" />  </span>* V6 O* L$ t* |% Y! I9 A* b
    D.<span><sub><img src=\"http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image072.gif\" width=\"120\" height=\"19\" /></sub></span>7 |& \- a% }) N0 U& c
16.[判断题]若级数<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image646.gif" width="40" height="45"/></sub>收敛,则<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image648.gif" width="75" height="29"/></sub>。
0 h! a0 L  z! ]4 G- {    A.对
- q- A" H. `: Y1 M    B.错
6 g9 {) [: @' }% y  |17.[判断题]若函数<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image104.gif" width="51" height="21"/></sub>在有界闭区域<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image619.gif" width="17" height="17"/></sub>上连续,则<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image104.gif" width="51" height="21"/></sub>在<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image619.gif" width="17" height="17"/></sub>上必可取得最大值和最小值。
1 ^( g8 C2 P5 f1 ]4 A7 Q% H7 l$ G    A.对
( T- j0 _( j3 \4 {0 U    B.错7 J( k* z' ~; r' W* `1 H5 t8 c
18.[判断题]若<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image652.gif" width="39" height="45"/></sub>收敛于<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image660.gif" width="12" height="15"/></sub>,则<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image662.gif" width="89" height="45"/></sub>收敛于<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image664.gif" width="19" height="19"/></sub>,即<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image666.gif" width="104" height="45"/></sub>。; o6 L  C$ f8 z5 E2 @
    A.对
) p& X' `' B; P) S+ e    B.错
: ^: s* _- [4 `7 [" [19.[判断题]设<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image772.gif" width="16" height="16"/></sub>是以点<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image774.gif" width="87" height="20"/></sub>和<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image776.gif" width="43" height="20"/></sub>为顶点的三角形区域,则<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image778.gif" width="69" height="41"/></sub>=<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image780.gif" width="16" height="41"/></sub>。
$ _1 O; a3 x# a    A.对
/ F6 B# l, C: R" J) D4 E  U+ s2 D    B.错
  `+ s/ \& O  ]& N' v+ M/ @20.[判断题]<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image705.gif" width="57" height="24"/></sub>在点<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image264.gif" width="32" height="21"/></sub>处,当<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image708.gif" width="65" height="19"/></sub>,<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image710.gif" width="73" height="21"/></sub>时的全微分是<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image712.gif" width="33" height="19"/></sub>。
3 K+ {% c: {7 A    A.对
/ D: r1 ~& e/ [2 k    B.错+ i7 r% X. Z* l( T9 Z7 Z
21.[判断题]函数<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image610.gif" width="100" height="29"/></sub>在<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image598.gif" width="36" height="21"/></sub>点有极小值。
- @3 K; X$ Z8 i" n& r5 w* ~    A.对! p; m) p" I: _; L
    B.错$ H! V- b0 x( |' d0 ^# s3 W6 S
22.[判断题]累次积分<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image670.gif" width="217" height="52"/></sub>可以写成<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image672.gif" width="148" height="49"/></sub>。
6 g" p% C+ Q) |) h" t    A.对9 H# `% L& D) Q/ f
    B.错  I$ @6 ?5 z8 k* ]5 ~8 H5 E! Q' T
23.[判断题]<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image650.gif" width="36" height="21"/></sub>在其间断点处一定不能展开为傅里叶级数。/ Q7 g& P8 R3 z
    A.对
3 Z) y8 r( ^+ k% n$ Z% v    B.错3 Y$ k8 V. H, }
24.[判断题]函数<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image613.gif" width="45" height="17"/></sub>在<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image598.gif" width="36" height="21"/></sub>点有极大值。
( n9 Q( N  L4 _$ w5 [/ r# |    A.对
( l% d, D/ ?+ g: p/ p    B.错0 i+ y0 }- y# ~# w) h
25.[判断题]对多元函数而言,如果函数的各个偏导数存在,则该函数在该点必然连续。4 y3 t$ B* P0 U( I+ h3 W* K% f1 I
    A.对  k- m1 A8 ^6 l) q* D3 [2 C
    B.错
$ @2 e$ @: o+ R" t" z4 {附件是答案,核对题目下载,转载注明 无忧答案网
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