西南大学19春在线作业[0917]高等数学
09171.[单项选择题]当时，是的（）.
奥鹏作业答案可以联系QQ 761296021
A.高阶无穷小
B.等价无穷小
C.同阶但不等价无穷小
D.低阶无穷小
正确答案:D
2.[单项选择题]微分方程的阶数是（）.
A.2
B.3
C.4
D.1
正确答案:A
3.[主观题]（）.????
A.?<imgwidth="96"height="41"src="data:image/png;base64,R0lGODlhYAApAHcAMSH+GlNvZnR3YXJlOiBNaWNyb3NvZnQgT2ZmaWNlACH5BAEAAAAALAIABABbACIAhQAAAAAAAAAAHR0AAAAAMwAcSB0dSAAzWh1GbDMAADIAHTMeRzQ0HTMzWzNGbjNbgEgcAEceM1ozAFozHUYzRkhZf0huf11/f2xGHW5GM39ZSG5GRn9/XX9uSGaIiIBbM4iIZgECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwb/QIBwSCwCIMakcslsOp/PRKAArVqv2CWGmu16v0kueEyubsvo9FKsbqPP7niZLa9jMfZ8l67vK6UBAm6AbhIBgX5PEUMBao1EgolPEAdXi0qPklgSaANJDWkQh5VColNEhwRKSIyRAKdGl0UYrnIPAB8CFkdDrAAGTcBEeHhYfEOGh8oBpFV0H6pDngADzUYTSdNFycvMQwlg3ctDxUXRQgkIQgOZw0u3VwnWbueMROCoVQzzRbJEEvWEUEgjb4iDI9HKVRiiTsiHZfXUActwZUA9BW0AiTElhp03IRi6VQpJStQSf0VMBQioqaXLl2AAwYPZR1aAmTTt7CqVsyW/Hp51fAHVI2yonp1GkyrF0hDAwqWOlLGEGm4c1SdBAAA7"/>
B.?<imgwidth="83"height="41"src="data:image/png;base64,R0lGODlhUwApAHcAMSH+GlNvZnR3YXJlOiBNaWNyb3NvZnQgT2ZmaWNlACH5BAEAAAAALAMABABOACIAhQAAAAAAAAAAHR0AAB0AHQAAMwAcSB0dSB00NAAzWh1GbDMAADIAHTIAMjMeRzQ0HTMzWzVbbjNbgEgcAEceM1ozAFozHUYzRltISEhbSEhZf0huW1l/WV1/f0huf2xGHW5GM25GRn9ZSH9/XX9uSGaIiIBbM4iIZgECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwb/QIAQMDEMj8ikcslsOp+LgPFJrVqvyM8Uy+16AduveKzUks9oYTjNxprbcOyaHFXEqe92406dny18TVEBAoFxAYSGSBJxJgEJQxMCHlQTYpBeFEyOSQ5VC1+IAW0kA5hcgwVCopigE49XiatzmkuFXwNDBEOFUYUmk1iQp1WWYrlHFbLIALtYA3bJotPEC8RI09lHzB8BjIWljOFYxligx0OqQrfMzFUgANdHtUrqXsy3AOAD4vxWJgBIDKFUpZQ9IQQrBVA1CMEAUYUe5nMySsirJfSUvEJ0UJHHjyCZDAoZiF5FkobkoWRTYaUhRi7jHIgZBxDNNh9utgEoRKBODDLTOv50k03lUCpBAAA7"/>
C.?<imgwidth="84"height="41"src="data:image/png;base64,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"/>
D.?<imgwidth="81"height="41"src="data:image/png;base64,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"/>
正确答案:D
4.[单项选择题]曲线在内（）.
A.E.单增且上凹
B.单减且上凹
C.单减且下凹
D.单增且下凹
5.[单项选择题]设曲线上点处的切线的斜率为1，则点的坐标为（）.
A.（0，1）
B.（1，1）
C.（1，0）
D.（0，0）
6.[单项选择题]与都存在是存在的（）.
A.无关条件
B.充分条件
C.充分必要条件
D.必要条件
7.[主观题]下列函数中（）在区间上满足罗尔定理的条件.????
A.?<imgwidth="80"height="28"src="data:image/png;base64,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"/>
B.?<imgwidth="64"height="27"src="data:image/png;base64,R0lGODlhQAAbAHcAMSH+GlNvZnR3YXJlOiBNaWNyb3NvZnQgT2ZmaWNlACH5BAEAAAAALAIABAA7ABMAhAAAAAAAAAAAHR0AHR0AAAAAMwAcSB0dSAAzWh1JSR1GbDMAADMeRzQ0HTNGbjNbgEgcAFozAEYzRltbW0ZGbkhuf11/f2xGHW5GM25GRn9/XX9uSG6AbmaIiIBbM4iIZgWeICCOZGmeaCoGKqu+cOyic2zfa4vDkLHXJuCutAj4cEJScji6HG/LHDP1tEUBrohxVL05f6OAIGyYeQqtgHp96sKACEAcSxqMKMwvSbtez+kkBAphJAsPABlTAG4vQBBKhSl8fQF/InpQJBgNf0AJiiKMOiIeABsjFTUQaFNFYkgrcxABg1egmSksBwCPt0xXLAQCFb6/o8VTwMiKwCEAOw=="/>
C.?<imgwidth="52"height="24"src="data:image/png;base64,R0lGODlhNAAYAHcAMSH+GlNvZnR3YXJlOiBNaWNyb3NvZnQgT2ZmaWNlACH5BAEAAAAALAIABQAwAA8AhQAAAAAAAAAAHR0AHR0AAAAAMx0AMgAcSB0dSAAzWh0zWh1JSR1GbDMAADMeRzQ0HTNGbjNbgEgdHUgcAFozAEYzRltIHVtbW0ZGbll/WV1/f0huf2xGHW5GM25GRn9/XX9uSG6AbmaIiIBbM4iIZgECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwZ9QIBwSCwaj8gjBTAqJJ/Q6NAirVqv2KxQou0eDYAGkRI4DM3ZgEA4Kg8ngcCz+Yzb40cOQE8UC9FIA15EBEUTCUJLTw0RAB6DAI1sAhthUX5Kd3aIRg+cQnFOUguQDAAIAB1MoiCCTxOiWRwBnHBvcYCQukkTkrtYBJS/WUEAOw=="/>
D.?<imgwidth="68"height="24"src="data:image/png;base64,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"/>
8.[单项选择题]函数在点连续是存在的（）.
A.充分条件
B.无关条件
C.必要条件
D.充分必要条件
9.[主观题]设是的一个原函数，则（）.????
A.?<imgwidth="117"height="19"src="data:image/png;base64,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"/>
B.?<imgwidth="117"height="19"src="data:image/png;base64,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"/>
C.?<imgwidth="117"height="19"src="data:image/png;base64,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"/>
D.?<imgwidth="107"height="19"src="data:image/png;base64,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"/>
10.[单项选择题]函数点处的导数为（）.
A.1
B.0
C.-1
D.不存在
11.[单项选择题]若在区间内，是单调增函数，则（）.
A.<0
B.≤0
C.≥0
D.>0
12.[单项选择题]（）.
A.∞
B.1.5
C.0.5
D.-1
13.[主观题]设函数，则（）.????
A.?<imgwidth="17"height="24"src="data:image/png;base64,R0lGODlhEQAYAHcAMSH+GlNvZnR3YXJlOiBNaWNyb3NvZnQgT2ZmaWNlACH5BAEAAAAALAIACQANAAsAhAAAAAAAAAAAHR0AAAAcSB0dSAAzWh0zWh1GbDQ0HTNGbjNbgEgcAFozHVozAEZfRkhuf2xGHW5GM39uSGaIiIBbM4iIZgECAwECAwECAwECAwECAwECAwECAwECAwECAwUrIFAFAmAGZqoaAKuq04C8NEO/UptGwXwDD1PjlGL0AAvRb0lLVphCpuMYAgA7"/>
B.?<imgwidth="28"height="25"src="data:image/png;base64,R0lGODlhHAAZAHcAMSH+GlNvZnR3YXJlOiBNaWNyb3NvZnQgT2ZmaWNlACH5BAEAAAAALAIAAwAXABIAhAAAAAAAAAAAHR0AAAAAMwAcSB0dSAAzWh0zWh1GbDMAADIAMjQ0HTNGbjNbgEgcAEceM1ozHVozAFtISEhZf11/f0huf2xGHW5GM25GRn9ZSH9/XX9uSGaIiIBbM4iIZgVUICCOZEkqgamu4sK+Kho4MDmVV1oDnvrsPZXkAMsFdKSfyBMQjJC7EZEYJXEGiapJCcuKKCMMgPosHY8EGAIQeZ6RyEcgexl5tXhTXXTXrtt5IkghADs="/>
C.?<imgwidth="27"height="24"src="data:image/png;base64,R0lGODlhGwAYAHcAMSH+GlNvZnR3YXJlOiBNaWNyb3NvZnQgT2ZmaWNlACH5BAEAAAAALAIABQAWAA8AhAAAAAAAAAAAHR0AAAAAMwAcSB0dSAAzWh0zWh1GbDMAADQ0HTNGbjNbgEgcAEceM1ozAFozHUZfRkhZf11/f0huf2xGHW5GM39ZSH9/XX9uSGaIiIBbM4iIZgECAwECAwVLIAAoQdCIaKquVrC+sAPPKXTQtJwGQgVwgQJOZQFYbsPVIBnDJVAT1ULlQpVKBNXTALgAEICI6FpCtZAAV1H0ZLpna0D7DRa/raIQADs="/>
D.?<imgwidth="27"height="24"src="data:image/png;base64,R0lGODlhGwAYAHcAMSH+GlNvZnR3YXJlOiBNaWNyb3NvZnQgT2ZmaWNlACH5BAEAAAAALAIABQAWAA8AhAAAAAAAAAAAHR0AAAAcSB0dSAAzWh0zWh1GbDMAADQ0HTMzWzNGbjNbgEgcAFozAFozHVszM0lJHUZfRkhZf0huf11/f2xGHW5GM39/XX9uSGaIiIBbM4iIZgECAwECAwVOICCKxGieqJiUaTtGAOu6lzy3NhAIFcAFuVENdQFcDLcgYNB6BJ5QlONGSilOAWIQASgAMIADAIKSXQJIUbYo4lLfbzbADReJyXVTFhACADs="/>
14.[主观题]（）.???
A.?<imgwidth="19"height="21"src="data:image/png;base64,R0lGODlhEwAVAHcAMSH+GlNvZnR3YXJlOiBNaWNyb3NvZnQgT2ZmaWNlACH5BAEAAAAALAIAAwAOAA4AhAAAAAAAAAAAHR0AHQAAMwAcSAAzWh1GbDMAADIAMjNbgEgcAFozHVozAFtISF1/f0huf2xGHW5GRn9/XX9uSGaIiIBbM4iIZgECAwECAwECAwECAwECAwECAwECAwECAwUtICCOJBIcZApIajsybiwrsmjUQKCTyx4jo4JrMWrEBCLEzaUjyCxO0SDWC8hCADs="/>
B.?<imgwidth="23"height="21"src="data:image/png;base64,R0lGODlhFwAVAHcAMSH+GlNvZnR3YXJlOiBNaWNyb3NvZnQgT2ZmaWNlACH5BAEAAAAALAIAAwATAA4AhAAAAAAAAAAAHR0AHQAAMwAcSAAzWh1GbDMAAEgcAEceM1ozAF1/f0huf2xGHX9/XX9uSGaIiIBbM4iIZgECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwUuICCOZJkQZaqurKi0cBvMhRvfcVCPyYwDiNEOlhgtcAIRwoCboXCSJ2CA6wV+IQA7"/>
C.?<imgwidth="23"height="21"src="data:image/png;base64,R0lGODlhFwAVAHcAMSH+GlNvZnR3YXJlOiBNaWNyb3NvZnQgT2ZmaWNlACH5BAEAAAAALAIAAwATAA4AhAAAAAAAAAAAHR0AHQAAMwAcSAAzWh1GbDMAADIAMjNbgEgcAFozHVozAFtISF1/f0huf2xGHW5GRn9/XX9uSGaIiIBbM4iIZgECAwECAwECAwECAwECAwECAwECAwECAwUzICCOZIkEZaoCyeq+rwMHdCFacIrnZESjowWNJ0KMbLnFqEEUFA1EGoEIsExFA6IQyAsBADs="/>
D.?e
15.[主观题]若，则（）.D.????
A.D.?<imgclass="kfformula"src="data:image/png;base64,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"data-latex="F\left({x}\right)dx"/>
B.?<imgwidth="49"height="23"src="data:image/png;base64,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"/>
C.?<imgwidth="35"height="23"src="data:image/png;base64,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"/>
D.?<imgwidth="35"height="23"src="data:image/png;base64,R0lGODlhIwAXAHcAMSH+GlNvZnR3YXJlOiBNaWNyb3NvZnQgT2ZmaWNlACH5BAEAAAAALAMAAgAeABIAhAAAAAAAAAAAHR0AAB0AHR0AMgAAMwAcSB0dSB0zWgAzWh1GbDMAADIAHTIAMjQ0HTMzWzNbgEgcAFozHVozAFszM11/f0huf2xGHW5GM39/XX9uSGaIiIBbM4iIZgECAwVyICCOZGmeaKqubHsywZi0U9qIB0C5gIIuPNIGZSgVeLdSIFAUdZrOgGAUGzEiJh8JSvJprSZG6WnaDIClq9HEHUleppyQcClleqZG3X1Kto4jGwQoWCJVABIBaAAdWUEqPoAnNSwQUW0mlioVj3goOyMhADs="/>
16.[主观题]若，，则（）.?必为的极小值?不是的极值?可能是的极值?必为的极大值
A.?必为的极小值
B.?不是的极值
C.?可能是的极值
D.?必为的极大值
17.[主观题]如果存在，则（）.?0??不存在?
A.?0
B.?<imgwidth="57"height="25"src="data:image/png;base64,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"/>
C.?不存在
D.?<imgwidth="45"height="25"src="data:image/png;base64,R0lGODlhLQAZAHcAMSH+GlNvZnR3YXJlOiBNaWNyb3NvZnQgT2ZmaWNlACH5BAEAAAAALAIAAwAqABIAhQAAAAAAAAAAHR0AAB0AHR0AMgAAMwAcSB0dSB0zWgAzWh1GbDMAADIAHTIAMjQ0HTMzWzNGbjNbgEgcAFozHVozAFszM0ZfRl1/f0huf2xGHW5GM25GRn9/XX9uSGaIiIBbM4iIZgECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwaZQIBwSCwWIcakckncFB3MqDRpmVqJjEDSczVSlg3hoTtVKBdgMpGbNDALamK4GAi4lfdhQJABgAJjSwwSRmZKIHlDGkKGTAxGj0yJQwNWg0VwkkkTlkaBSwRJD3RLfUOcUXNEaAgATgkAX0aZQh6hURWKAY1ai0JoRCCFU7BxRGa0UqZJvgDAQ0h+dsZJsLJDVdTCTFpEuUNBADs="/>
18.[单项选择题]函数在点处偏导数存在是函数在该点可微的（）.
A.充分条件
B.充分必要条件
C.必要条件
D.无关条件
19.[主观题]函数的单调增区间是（）.????
A.?<imgwidth="47"height="23"src="data:image/png;base64,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"/>
B.?<imgwidth="45"height="23"src="data:image/png;base64,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"/>
C.?<imgwidth="35"height="23"src="data:image/png;base64,R0lGODlhIwAXAHcAMSH+GlNvZnR3YXJlOiBNaWNyb3NvZnQgT2ZmaWNlACH5BAEAAAAALAIAAgAfABIAhAAAAAAAAB0AHR0AAAAAHQAAMx0AMgAcSB0zWgAzWh1GbDMAADIAHTIAMjMzWzNbgEgcAFozHVozAFszM11/f0huf2xGHX9ZSH9/XX9uSGaIiIBbM4iIZgECAwECAwECAwWCICACzmie6DilTeq6rbm+9FmK2WkFQe1WroJo4TttRozTY3Qomgwi6EhgojpFSYBQtNkOazzFiNg1eQGLZWohtpiI2lF5NHglRuJvfFp1EYZ3YyJWI2oATSg7AWdYjSaIcClehABSEjo8JgOMPIgjgQAIVzQRJ0AvC6Cjq0VHrCaGIQA7"/>
D.?<imgwidth="76"height="23"src="data:image/png;base64,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"/>
20.[主观题]的通解是（）.????
A.?<imgwidth="49"height="21"src="data:image/png;base64,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"/>
B.?<imgwidth="45"height="41"src="data:image/png;base64,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"/>
C.?<imgwidth="55"height="24"src="data:image/png;base64,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"/>
D.?<imgwidth="68"height="21"src="data:image/png;base64,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"/>
21.[主观题]若，则（）.????
A.?<imgwidth="47"height="19"src="data:image/png;base64,R0lGODlhLwATAHcAMSH+GlNvZnR3YXJlOiBNaWNyb3NvZnQgT2ZmaWNlACH5BAEAAAAALAIABAAsAAsAhAAAAAAAAAAAHR0AAAAAMwAcSB0dSAAzWh1GbDMAADQ0HTNGbjNbgEgcAEceM1ozAFozHUhZf11/f0huf2xGHW5GM39ZSG5GRn9/XX9uSGaIiIBbM4iIZgECAwECAwECAwV0IAAkQcCIaKqubMtSgSvPNNDUeA48h+67t1WpJ2qUVCWCahMQoGK0xgngtKEaBZFh1iPSsqmNEjUQDbysAQJHAafGosQaMAigU8HVHBBBwUVMUyNILBUAdwAlSSkJXgs2Y216S1pIilCMJW5GmHRDhEUBcyEAOw=="/>
B.?<imgwidth="55"height="19"src="data:image/png;base64,R0lGODlhNwATAHcAMSH+GlNvZnR3YXJlOiBNaWNyb3NvZnQgT2ZmaWNlACH5BAEAAAAALAIABAA0AAsAhQAAAAAAAAAAHR0AAB0AHQAAMwAcSB0dSAAzWh1GbDMAADQ0HTNdXTVbbjNbgEgcAEceM1ozAFozHUhbSEhZf1l/WV1/f0huf2xGHW5GM39ZSG5GRn9/XX9uSGaIiIBbM4iIZgECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwaIQIBwSCwSFcbkUBEIOJTQ6PEpFUKEGGd1y01eho+ueExEkI3ZQEGIBCgagMA2LPwEBEP5eOMOMJh4AIFRB0ZmZnlNinpDA0WOAANUBF9RlUQDCWQDAYiQkJFndGR2T44dkgCoVEmaQhRDGQCIZBFCqaCgRotrdUKFYpx6TIp4nINEi4yMDwGuQQA7"/>
C.?<imgwidth="55"height="21"src="data:image/png;base64,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"/>
D.?<imgwidth="77"height="19"src="data:image/png;base64,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"/>
22.[单项选择题]当时，与等价，则（）.
A.0.5
B.2
C.1
D.-0.5
23.[单项选择题]函数在处成立，该函数（）.
A.极限存在但不连续
B.连续但不可导
C.极限不存在
D.可导
24.[主观题]，则（）.????
A.?<imgwidth="91"height="24"src="data:image/png;base64,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"/>
B.?<imgwidth="152"height="24"src="data:image/png;base64,R0lGODlhmAAYAHcAMSH+GlNvZnR3YXJlOiBNaWNyb3NvZnQgT2ZmaWNlACH5BAEAAAAALAIAAACWABYAhQAAAAAAAB0AAAAAHR0AHQAAMx0AMgAcSB0dSB0zWgAzWh1JSR1GbDMAADIAHTIAMjMeRzQ0HTNbgEgcAEgdHUceM1ozHVozAFszM0YzRltIHVtISEhIW0hZf1l/WUhuf11/f2xGHW5GM25GRn9ZSH9uSH9/XWaIiIBbM4BuboiIZgECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwb/QIBwSCwajZajcslsOp/QqHSYmD4l1qx2y81iu8QKeEwum62lZkkQOCsbAYZ7jqQzIXbhSPjI5+VTFwAoBUQTT2l+Q0mKbihEcG1OGkYOThcBClqYcX4TB0YBmWchAYVEBkJiQpJNH0WpeZoADYBNX1NwoES7ALNjDadFDq+Gv0oURsJNG0yrRrFCy0rHR89GIb0Ah0PaTtdFDdVDDUaCTKnlRNPmok3gQoREAk2irVbevbZcF+zkuEK4DZkgap8yIgEGDAngzYrCIfRYPQTAEAq8IdmKCNCEZ+HEikUu0loAh506IgggyQnRZBpLllJENug1UYimcVu8oTB15OaUwlYTpjUAyGjIL4NE5GmEwsmeqGpsRE0TgPRIU6fVMoahxY5qkav2fillFY4IzCEPxTWJRgTgE5FFDAok482Wt7lRlg2FUoqnE0tFIuDs4k2ErylwtQo5CaDPEBGCl8gkQgBWPKenhFVmgldOSsMWWxZ5lAhAMcJFevUiPeS0kxCnzg1J1DdsQFENl5SaRTCmEjahBt779kZUTYIgKfLuZAQupyNVG0mfXqboGLjUs2u34na79zLdv4sfT768eSPJhgQBADs="/>
C.?<imgwidth="33"height="21"src="data:image/png;base64,R0lGODlhIQAVAHcAMSH+GlNvZnR3YXJlOiBNaWNyb3NvZnQgT2ZmaWNlACH5BAEAAAAALAIABQAcAAwAhAAAAAAAAAAAHR0AHQAAMx0AMgAcSB0dSAAzWh0zWh1GbDMAADNbgEgcAEgdHUceM1ozAFozHVtIHUhZf1l/WV1/f0huf2xGHW5GM39ZSH9/XX9uSGaIiIBbM4iIZgECAwVfICCOZGmOCECQRrkEwWkm49uOzxjLImbegEwpxQMwSBdgCUI8FQALBYt3JMGkMiXpQFqIkjytKDIcYU3g0qUkEC2aJ21ntAFcYKsiRNmB4UV5AAMyLwFtdn4wTTBiIiEAOw=="/>
D.?<imgwidth="73"height="24"src="data:image/png;base64,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"/>
25.[主观题]设有连续的一阶偏导数，则（）.?0??
A.?<imgwidth="63"height="23"src="data:image/png;base64,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"/>
B.0
C.?<imgwidth="151"height="27"src="data:image/png;base64,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"/>
D.?<imgwidth="69"height="25"src="data:image/png;base64,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"/>
26.[主观题]如果都是可导函数，则（）.C.????
A.C.?<imgwidth="67"height="19"src="data:image/png;base64,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"/>
B.?<imgwidth="45"height="19"src="data:image/png;base64,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"/>
C.?<imgwidth="77"height="19"src="data:image/png;base64,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"/>
D.?<imgwidth="67"height="19"src="data:image/png;base64,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"/>
27.[主观题]设，，则（）.?是的导数?是的原函数?是的不定积分?是的原函数
A.?是的导数
B.?是的原函数
C.?是的不定积分
D.?是的原函数
28.[单项选择题]（）.
A.2
B.1
C.0
D.无穷大
29.[主观题]确定是的函数，则（）.????
A.?<imgwidth="23"height="21"src="data:image/png;base64,R0lGODlhFwAVAHcAMSH+GlNvZnR3YXJlOiBNaWNyb3NvZnQgT2ZmaWNlACH5BAEAAAAALAIAAwASAA4AhAAAAAAAAAAAHR0AHQAAMwAcSAAzWh1GbDMAADIAMjNbgEgcAFozHVozAFtISF1/f0huf2xGHW5GRn9/XX9uSGaIiIBbM4iIZgECAwECAwECAwECAwECAwECAwECAwECAwUzICCOJIkER6mO0uqWzCu7S2AXozKXxk7aAVIt6EOMcLPFqOETiBC9nY3gA1ioooFvWA0BADs="/>
B.?<imgwidth="35"height="21"src="data:image/png;base64,R0lGODlhIwAVAHcAMSH+GlNvZnR3YXJlOiBNaWNyb3NvZnQgT2ZmaWNlACH5BAEAAAAALAIAAwAfAA4AhAAAAAAAAAAAHR0AHQAAMwAcSAAzWh1GbDMAADIAMjNbgEgcAFozHVozAFtISF1/f0huf2xGHW5GRn9/XX9uSGaIiIBbM4iIZgECAwECAwECAwECAwECAwECAwECAwECAwU8ICCOZGmaSHCu7Jm0cCzPgEOfS6CP1i33PlhEp6LlisETYlSQEZ+lxaiRPAlECEPVpCNsTRavaPAlHWkhADs="/>
C.?<imgwidth="17"height="21"src="data:image/png;base64,R0lGODlhEQAVAHcAMSH+GlNvZnR3YXJlOiBNaWNyb3NvZnQgT2ZmaWNlACH5BAEAAAAALAIAAwANAA4AhAAAAAAAAAAAHR0AHQAAMwAcSAAzWh1GbDMAADIAMjNbgEgcAFozHVozAFtISF1/f0huf2xGHW5GRn9/XX9uSGaIiIBbM4iIZgECAwECAwECAwECAwECAwECAwECAwECAwUrICCOIxKQKJmkbEs6bkxachTc5IK3yFiwi1GjJRAhDK0bwWVZigYt3akVAgA7"/>
D.?<imgwidth="31"height="21"src="data:image/png;base64,R0lGODlhHwAVAHcAMSH+GlNvZnR3YXJlOiBNaWNyb3NvZnQgT2ZmaWNlACH5BAEAAAAALAIAAwAaAA4AhAAAAAAAAAAAHR0AHQAAMwAcSAAzWh1GbDMAADIAMjNbgEgcAFozHVozAFtISF1/f0huf2xGHW5GRn9/XX9uSGaIiIBbM4iIZgECAwECAwECAwECAwECAwECAwECAwECAwU5ICCOZGkCSHCc7Cm1cMvEdG0Dyt0aOhv8ugWwR0KMCr6fMlBajBrEkUCE4EUBP8JVZNGKBlshsxUCADs="/>
30.[单项选择题]（）.
A.0
B.1
C.不存在且不等于∞
D.∞
31.[单项选择题]是在取得极值的（）.
A.以上说法都不对
B.充要条件
C.充分条件
D.必要条件
32.[单项选择题]函数在连续是在可偏导的（）.
A.必要条件
B.充要条件
C.以上说法都不对
D.充分条件
33.[单项选择题]若在上连续，在上可导，且，若，则在内，（）.
A.＞0
B.=0
C.＜0
D.不能判定
34.[主观题]（）.B.??0??
A.B.?<imgwidth="16"height="41"src="data:image/png;base64,R0lGODlhEAApAHcAMSH+GlNvZnR3YXJlOiBNaWNyb3NvZnQgT2ZmaWNlACH5BAEAAAAALAMABAAJACIAhAAAAAAAAAAAMx0dSAAcSAAzWh0zWh1GbDMAADIAHTIAMjNbgEgcAEceM1ozAFozHUhZf11/f0huf2xGHX9ZSH9/XX9uSGaIiIBbM4BuboiIZgECAwECAwECAwECAwECAwU/ICAiQSCe5xQs6Mm0aAED72zfLHzMZSmcvdJtSCwaAcHkcck8kUwoxelnk8wMswEvQG2pdrDaLNfSijA9wikEADs="/>
B.?0
C.?<imgwidth="28"height="41"src="data:image/png;base64,R0lGODlhHAApAHcAMSH+GlNvZnR3YXJlOiBNaWNyb3NvZnQgT2ZmaWNlACH5BAEAAAAALAIABAAWACIAhAAAAAAAAAAAMx0dSAAcSAAzWh0zWh1GbDMAADIAHTIAMjNbgEgcAEceM1ozAFozHUhZf11/f0huf2xGHX9ZSH9/XX9uSGaIiIBbM4BuboiIZgECAwECAwECAwECAwECAwVTICCOZAkgQWCuZTOqbDwyhSw7tswsOTv0qwfQNBmWMEYSJpUSDCfMVC1JrVqvQ0eUOcWKtlGveEwun1I8o2LktCbMPYsVGmhXYVXGwYqz/oxMJCEAOw=="/>
D.?<imgwidth="16"height="41"src="data:image/png;base64,R0lGODlhEAApAHcAMSH+GlNvZnR3YXJlOiBNaWNyb3NvZnQgT2ZmaWNlACH5BAEAAAAALAMABAAJACIAhAAAAAAAAAAAMx0dSAAcSB0zWgAzWh1GbDMAADIAHTIAMjNbgEgcAEceM1ozAFozHUhZf11/f0huf2xGHX9ZSH9/XX9uSGaIiIBbM4BuboiIZgECAwECAwECAwECAwECAwU+ICAiQSCe5ySgaMKK1iuLU7nK5nzIzsyWAYJvSCwaRcBk6chsnki5U+MUfRl4voVsIHvIJjLMKUYF3mrJawgAOw=="/>
35.[单项选择题]若数列有界，则必（）.
A.发散
B.可能收敛可能发散
C.收敛于零
D.收敛
36.[主观题]曲线的上凹区间是（）.????
A.?<imgwidth="56"height="23"src="data:image/png;base64,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"/>
B.?<imgwidth="57"height="23"src="data:image/png;base64,R0lGODlhOQAXAHcAMSH+GlNvZnR3YXJlOiBNaWNyb3NvZnQgT2ZmaWNlACH5BAEAAAAALAIAAgA1ABIAhQAAAAAAAAAAHR0AAB0AMgAAMx0dSAAcSB0zWgAzWh1GbDMAADIAHTIdADIAMjQdNDQ0NDNGbjNbgEgdHUgcAFozHVozAEYzRkhZf0ZGbkhuf11/f2xGHW5GM39ZSG5GRn9uSH9/XWaIiIBbM4iIZgECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwaYQIBwSCwaj8ikEmBYOp/JSfECrVqFVOHoykUeipKuuLgIfIkIoWPMPg/XAIKVExAIB4EAl+MWMoR9SyBDDwBuGleBFABbYnpifEUUYW4WeZd5CUMfQ41DGUWYl0WKgF0WBWORRItxVYNCeppCiFaBUgBwVXlClo9WFoFwFWxFA6lLZXW1AGlCCsXRHNFHC9TX2ADT2VazAEEAOw=="/>
C.?<imgwidth="47"height="23"src="data:image/png;base64,R0lGODlhLwAXAHcAMSH+GlNvZnR3YXJlOiBNaWNyb3NvZnQgT2ZmaWNlACH5BAEAAAAALAIAAgArABIAhQAAAAAAAB0AHQAAHR0AAAAAMx0AMgAcSB0zWgAzWh1GbDMAADIAHTIdADIAMjQdNDQ0NDMzWzNGbjNbgEgcAEgdHUceM1ozHVozAFszM0ZGbl1/f0huf2xGHW5GM25GRn9ZSH9/XX9uSGaIiIBbM4iIZgECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwajQIAQEBkaj8ikMpN0KJ9QpdPIjFqvRaHo2AkErmAjR1kQLsJoIeM4GR6elrTQMDcK7HBkYCAkeJFrAGVCJINmeUYIQw1DFUdnhUaGAAttaQGWABJGZ4JDkUMERxhepV4JR29KnZN3Q65JcUMeQxiTj0KwQpmqsUeKJAEQQxdHgYFuh2h/AKRfR3TNXMx9t7JpqEKKcnLFYlAL2dzj5FEk5VeZQQA7"/>
D.?<imgwidth="63"height="23"src="data:image/png;base64,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"/>
37.[单项选择题]函数在点处（）.
A.无定义
B.连续且可导
C.连续但不可导
D.有定义不连续
38.[主观题]=（）.??
A.?<imgwidth="109"height="41"src="data:image/png;base64,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"/>
B.<imgwidth="55"height="19"src="data:image/png;base64,R0lGODlhNwATAHcAMSH+GlNvZnR3YXJlOiBNaWNyb3NvZnQgT2ZmaWNlACH5BAEAAAAALAEABAAzAAsAhAAAAAAAAAAAHR0AAB0AHQAAMwAcSB0dSAAzWh1GbDMAADIAHTMeRzQ0HTMzWzNdXTVbbjNbgEgcAEceM1ozAEYzRkhbSEhuf11/f2xGHW5GM39/XX9uSGaIiIBbM4iIZgV+IAAokWieaKquaRAIgCcqAWvfdoCYEiwOJZzw5gkETQzTYMicrAa7FQc4Akh0qqIPUGMCts/RSwRO7aIqZ0piuFGXIgJrmlC57q6TAh0GwP02EjdqKHs2UyV/fykaAHxMBW4/Sl4phCgDkSYLengCFgMvFyhdVgF1lVwumiIhADs="/>
C.<imgwidth="109"height="41"src="data:image/png;base64,R0lGODlhbQApAHcAMSH+GlNvZnR3YXJlOiBNaWNyb3NvZnQgT2ZmaWNlACH5BAEAAAAALAIABABoACIAhQAAAAAAAAAAHR0AAB0AHR0AMgAAMwAcSB0dSB0zWgAzWh1GbDMAADIAHTIAMjMeRzQ0HTMzWzNdXTVbbjNbgEgcAEceM1ozAFozHVszM0YzRkhbSF1/f0huf2xGHW5GM39/XX9uSGaIiIBbM4iIZgECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwECAwb/QIBwSCwOD8akcslsOp/QJiMQrVqvWCwyy+16o56veEwWbsvo9DOsbruT57c8zV5G5skMvhkvOvZJf4BGF0t6g0Z3iEJTAQJSeBV9XBcBjmkUjFRyU0UjWCMBCkMVAh1jDUQDe30FSRZMm0QPbatzdVwDo24GqowAFaJJl0IBk3xFDK9Lj24jvUOrU48jpklhuGBGDJlQFUyVluLCVdBCA5m2AARL6kTh4+RHyUPw47uM+Fjx8ULPvgDQneuWhGCVbAC4RVEmh120cw+VQNBXpU8qI7CSXDDn5hTEEAJBGhyyAAACAB+sFCISwlUUkBwbeByzMuE4ARsGEBPigVwwQyuNmgmhKCSjkmCWOJJJsKgIhqZQo0qdCugT1atYs2qd6uhUqGNb97AhGhaRu7JQv6GVCmFt1JInU7rF0xOfrLldggAAOw=="/>
D.?<imgwidth="97"height="41"src="data:image/png;base64,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"/>
39.[单项选择题]有意义是在点处连续的（）.
A.F.必要条件
B.无关条件
C.充分条件
D.充分必要条件
40.[单项选择题]当时，为无穷小量是的（）.
A.A.无关条件
B.必要条件
C.充分必要条件
D.充分条件
41.[主观题]如果在点可导，且，则.
42.[主观题]已知，则.
43.[主观题]若，改变的积分次序，则.
44.[主观题]函数的单调增区间为.
45.[主观题].
46.[主观题]函数的单调减区间为.
47.[主观题].
48.[主观题]设，则是函数的第类间断点.
49.[主观题]已知，则.
50.[主观题]曲线的水平渐近线为.
51.[主观题]由曲线与围成的封闭区域面积为.
52.[主观题]微分方程是阶微分方程.
53.[主观题].
54.[主观题].
55.[主观题].
56.[主观题]在点可导是在点可微的条件.
57.[主观题]函数的微分为.
58.[主观题]由曲线，x=1及轴围成的封闭区域面积为.
59.[主观题].
60.[主观题]已知，则.
61.[主观题]函数的凹区间为.
62.[主观题]函数的极小值为.
63.[主观题]由方程所确定的隐函数的导数为.
64.[主观题]曲线在点处的切线方程为.
65.[主观题]由方程所确定的隐函数的导数为.
66.[主观题].
67.[主观题].
68.[主观题]已知函数，则.
69.[主观题]微分方程的通解为.
70.[主观题].
71.[主观题]求函数的微分.
72.[主观题]求定积分.
73.[主观题]求函数的微分.
74.[主观题]设，求.
75.[主观题]当时，试证成立.
76.[主观题]证明方程在区间内有且只有一个实根.
77.[主观题]证明方程有且仅有一个小于1的正实根.
78.[主观题]证明方程在区间内至少有一个根.
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