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【北语网院】18春《高等数学(下)》作业_4(100分)
【北京语言大学】18春《高等数学(下)》作业_4
北语网院作业答案

试卷总分100得分100
第1题&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/eblcuimage/3799.jpg&quot/&gt
A、[A]
B、[B]
C、[C]
D、[D]
第2题设&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image090.gif&quotwidth=&quot119&quotheight=&quot45&quot/&gt&lt/sub&gt,则&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image092.gif&quotwidth=&quot68&quotheight=&quot21&quot/&gt&lt/sub&gt()
A、&ltspan&gt&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image094.gif&quotwidth=&quot9&quotheight=&quot17&quot/&gt&lt/sub&gt&lt/span&gt
B、&ltspan&gt&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image096.gif&quotwidth=&quot21&quotheight=&quot17&quot/&gt&lt/sub&gt&lt/span&gt
C、&ltspan&gt&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image098.gif&quotwidth=&quot13&quotheight=&quot17&quot/&gt&lt/sub&gt&lt/span&gt
D、&ltspan&gt&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image100.gif&quotwidth=&quot25&quotheight=&quot17&quot/&gt&lt/sub&gt&lt/span&gt
第3题二重积分&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image410.gif&quotwidth=&quot143&quotheight=&quot39&quot/&gt&lt/sub&gt(),D为&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image412.gif&quotwidth=&quot167&quotheight=&quot21&quot/&gt&lt/sub&gt所围成的矩形区域。
A、&ltspan&gt7&lt/span&gt
B、&ltspan&gt8&lt/span&gt
C、&ltspan&gt9&lt/span&gt
D、&ltspan&gt10&lt/span&gt
第4题微分方程&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image002.gif&quotwidth=&quot119&quotheight=&quot24&quot/&gt&lt/sub&gt是()
A、&ltspan&gt一阶线性方程&lt/span&gt
B、&ltspan&gt一阶齐次方程&lt/span&gt
C、&ltspan&gt可分离变量方程&lt/span&gt
D、&ltspan&gt二阶微分方程&lt/span&gt
第5题二元函数&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image258.gif&quotwidth=&quot93&quotheight=&quot24&quot/&gt&lt/sub&gt的极大值点是()
A、&ltspan&gt&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image256.gif&quotwidth=&quot35&quotheight=&quot21&quot/&gt&lt/sub&gt&lt/span&gt
B、&ltspan&gt&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image162.gif&quotwidth=&quot35&quotheight=&quot21&quot/&gt&lt/sub&gt&lt/span&gt
C、&ltspan&gt&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image262.gif&quotwidth=&quot37&quotheight=&quot21&quot/&gt&lt/sub&gt&lt/span&gt
D、&ltspan&gt&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image264.gif&quotwidth=&quot32&quotheight=&quot21&quot/&gt&lt/sub&gt&lt/span&gt
第6题设&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image378.gif&quotwidth=&quot75&quotheight=&quot21&quot/&gt&lt/sub&gt由方程&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image380.gif&quotwidth=&quot137&quotheight=&quot24&quot/&gt&lt/sub&gt所确定的隐函数,则&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image382.gif&quotwidth=&quot23&quotheight=&quot44&quot/&gt&lt/sub&gt=()
A、&ltspan&gt&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image384.gif&quotwidth=&quot24&quotheight=&quot41&quot/&gt&lt/sub&gt&lt/span&gt
B、&ltspan&gt&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image386.gif&quotwidth=&quot25&quotheight=&quot41&quot/&gt&lt/sub&gt&lt/span&gt
C、&ltspan&gt&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image388.gif&quotwidth=&quot33&quotheight=&quot41&quot/&gt&lt/sub&gt&lt/span&gt
D、&ltspan&gt&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image390.gif&quotwidth=&quot24&quotheight=&quot41&quot/&gt&lt/sub&gt&lt/span&gt
第7题级数&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image552.gif&quotwidth=&quot143&quotheight=&quot45&quot/&gt&lt/sub&gt的敛散性是()
A、&ltspan&gt发散&lt/span&gt
B、&ltspan&gt一定收敛&lt/span&gt
C、&ltspan&gt可能收敛&lt/span&gt
D、&ltspan&gt敛散性无法判断&lt/span&gt
第8题&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/eblcuimage/3755.jpg&quot/&gt
A、[A]
B、[B]
C、[C]
D、[D]
第9题级数&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image488.gif&quotwidth=&quot61&quotheight=&quot47&quot/&gt&lt/sub&gt()
A、&ltspan&gt收敛&lt/span&gt
B、&ltspan&gt既不收敛亦不发散&lt/span&gt
C、&ltspan&gt发散&lt/span&gt
D、&ltspan&gt敛散性无法判断&lt/span&gt    奥鹏易百

第10题设D:&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image462.gif&quotwidth=&quot188&quotheight=&quot38&quot/&gt&lt/sub&gt=()
A、&ltspan&gt&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image464.gif&quotwidth=&quot39&quotheight=&quot21&quot/&gt&lt/sub&gt&lt/span&gt
B、&ltspan&gt&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image466.gif&quotwidth=&quot31&quotheight=&quot21&quot/&gt&lt/sub&gt&lt/span&gt
C、&ltspan&gt&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image468.gif&quotwidth=&quot39&quotheight=&quot21&quot/&gt&lt/sub&gt&lt/span&gt
D、&ltspan&gt&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image470.gif&quotwidth=&quot33&quotheight=&quot19&quot/&gt&lt/sub&gt&lt/span&gt
第11题&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/eblcuimage/3751.jpg&quot/&gt
A、[A]
B、[B]
C、[C]
D、[D]
第12题&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/eblcuimage/3772.jpg&quot/&gt
A、[A]
B、[B]
C、[C]
D、[D]
第13题&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/eblcuimage/3740.BMP&quot/&gt
A、[A]
B、[B]
C、[C]
D、[D]
第14题&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image323.gif&quotwidth=&quot93&quotheight=&quot49&quot/&gt&lt/sub&gt()
A、&ltspan&gt0&lt/span&gt
B、&ltspan&gt&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image325.gif&quotwidth=&quot16&quotheight=&quot41&quot/&gt&lt/sub&gt&lt/span&gt
C、&ltspan&gt&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image327.gif&quotwidth=&quot16&quotheight=&quot13&quot/&gt&lt/sub&gt&lt/span&gt
D、&ltspan&gt不存在&lt/span&gt
第15题&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/eblcuimage/3765.jpg&quot/&gt
A、[A]
B、[B]
C、[C]
D、[D]
第16题&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image743.gif&quotwidth=&quot156&quotheight=&quot41&quot/&gt&lt/sub&gt,&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image169.gif&quotwidth=&quot16&quotheight=&quot21&quot/&gt&lt/sub&gt、&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image746.gif&quotwidth=&quot15&quotheight=&quot17&quot/&gt&lt/sub&gt具有二阶偏导数,则&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image177.gif&quotwidth=&quot36&quotheight=&quot41&quot/&gt&lt/sub&gt&ltp&gt&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image749.gif&quotwidth=&quot152&quotheight=&quot41&quot/&gt&lt/sub&gt。&lt/p&gt
√、对
、错
正确答案
第17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。
√、对
、错
正确答案√
第18题设&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image650.gif&quotwidth=&quot36&quotheight=&quot21&quot/&gt&lt/sub&gt在&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image793.gif&quotwidth=&quot61&quotheight=&quot21&quot/&gt&lt/sub&gt上连续,且对一切&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image086.gif&quotwidth=&quot13&quotheight=&quot15&quot/&gt&lt/sub&gt有&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image796.gif&quotwidth=&quot140&quotheight=&quot35&quot/&gt&lt/sub&gt,则&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image798.gif&quotwidth=&quot92&quotheight=&quot44&quot/&gt&lt/sub&gt。
√、对
、错
正确答案√
第19题函数&ltem&gt&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image767.gif&quotwidth=&quot111&quotheight=&quot29&quot/&gt&lt/sub&gt&lt/em&gt在点&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image262.gif&quotwidth=&quot37&quotheight=&quot21&quot/&gt&lt/sub&gt处有极小值。
√、对
、错
正确答案
第20题&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image616.gif&quotwidth=&quot88&quotheight=&quot49&quot/&gt&lt/sub&gt。
√、对
、错
正确答案
第21题函数&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image634.gif&quotwidth=&quot99&quotheight=&quot31&quot/&gt&lt/sub&gt在点(0,0)处可微。
√、对
、错
正确答案
第22题&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image650.gif&quotwidth=&quot36&quotheight=&quot21&quot/&gt&lt/sub&gt在其间断点处一定不能展开为傅里叶级数。
√、对
、错
正确答案
第23题函数&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image596.gif&quotwidth=&quot55&quotheight=&quot24&quot/&gt&lt/sub&gt在点&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image598.gif&quotwidth=&quot36&quotheight=&quot21&quot/&gt&lt/sub&gt处取得极小值零。
√、对
、错
正确答案
第24题某车间要用铁板做成一个体积为&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image782.gif&quotwidth=&quot31&quotheight=&quot21&quot/&gt&lt/sub&gt的有盖长方体水箱,那么,当水箱的长&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image784.gif&quotwidth=&quot61&quotheight=&quot23&quot/&gt&lt/sub&gt宽&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image786.gif&quotwidth=&quot61&quotheight=&quot25&quot/&gt&lt/sub&gt,高&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image788.gif&quotwidth=&quot71&quotheight=&quot45&quot/&gt&lt/sub&gt时,水箱用料最省。
√、对
、错
正确答案√
第25题&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image717.gif&quotwidth=&quot23&quotheight=&quot41&quot/&gt&lt/sub&gt表示&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image719.gif&quotwidth=&quot20&quotheight=&quot19&quot/&gt&lt/sub&gt与&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image721.gif&quotwidth=&quot20&quotheight=&quot19&quot/&gt&lt/sub&gt的商。
√、对
、错
正确答案

奥鹏易百

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