北语网院平台18春《高等数学（下）》作业_2含答案资料

网院作业

【北语网院】18春《高等数学（下）》作业_2（100分)
【北京语言大学】18春《高等数学（下）》作业_2
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/3743.BMP&quot/&gt
A、[A]
B、[B]
C、[C]
D、[D]
第2题&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/eblcuimage/3776.jpg&quot/&gt
A、[A]
B、[B]
C、[C]
D、[D]
第3题&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/eblcuimage/3777.jpg&quot/&gt
A、[A]
B、[B]
C、[C]
D、[D]
第4题&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/eblcuimage/3764.GIF&quot/&gt
A、[A]
B、[B]
C、[C]
D、[D]
第5题&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/eblcuimage/3746.jpg&quot/&gt
A、[A]
B、[B]
C、[C]
D、[D]
第6题&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/eblcuimage/3788.jpg&quot/&gt
A、[A]
B、[B]
C、[C]
D、[D]
第7题&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image368.gif&quotwidth=&quot95&quotheight=&quot52&quot/&gt&lt/sub&gt=（）
A、&ltspan&gt&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image370.gif&quotwidth=&quot13&quotheight=&quot19&quot/&gt&lt/sub&gt&lt/span&gt    奥鹏易百

B、&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
C、&ltspan&gt&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image373.gif&quotwidth=&quot16&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/image375.gif&quotwidth=&quot15&quotheight=&quot41&quot/&gt&lt/sub&gt&lt/span&gt
第8题下列级数中一定收敛的是（）
A、&ltspan&gt&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image516.gif&quotwidth=&quot67&quotheight=&quot45&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/image518.gif&quotwidth=&quot73&quotheight=&quot47&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/image520.gif&quotwidth=&quot77&quotheight=&quot49&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/image522.gif&quotwidth=&quot120&quotheight=&quot37&quot/&gt&lt/sub&gt&lt/span&gt
第9题&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/eblcuimage/3752.jpg&quot/&gt
A、[A]
B、[B]
C、[C]
D、[D]
第10题&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/eblcuimage/3748.BMP&quot/&gt
A、[A]
B、[B]
C、[C]
D、[D]
第11题&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/eblcuimage/3786.jpg&quot/&gt
A、[A]
B、[B]
C、[C]
D、[D]
第12题&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/eblcuimage/3758.GIF&quot/&gt
A、[A]
B、[B]
C、[C]
D、[D]
第13题&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/eblcuimage/3805.jpg&quot/&gt
A、[A]
B、[B]
C、[C]
D、[D]
第14题函数&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image277.gif&quotwidth=&quot73&quotheight=&quot23&quot/&gt&lt/sub&gt的极值点为（）
A、&ltspan&gt（0，0）&lt/span&gt
B、&ltspan&gt（0，1）&lt/span&gt
C、&ltspan&gt（1，0）&lt/span&gt
D、&ltspan&gt不存在&lt/span&gt
第15题&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/eblcuimage/3781.jpg&quot/&gt
A、[A]
B、[B]
C、[C]
D、[D]
第16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。
√、对
、错
正确答案
第17题设&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image104.gif&quotwidth=&quot51&quotheight=&quot21&quot/&gt&lt/sub&gt是连续函数，则&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image624.gif&quotwidth=&quot137&quotheight=&quot37&quot/&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image626.gif&quotwidth=&quot137&quotheight=&quot37&quot/&gt&lt/sub&gt。
√、对
、错
正确答案
第18题函数&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image613.gif&quotwidth=&quot45&quotheight=&quot17&quot/&gt&lt/sub&gt在&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点有极大值。
√、对
、错
正确答案
第19题设&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image674.gif&quotwidth=&quot76&quotheight=&quot21&quot/&gt&lt/sub&gt，&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image676.gif&quotwidth=&quot75&quotheight=&quot21&quot/&gt&lt/sub&gt，则&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image678.gif&quotwidth=&quot59&quotheight=&quot41&quot/&gt&lt/sub&gt。
√、对
、错
正确答案
第20题设&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image104.gif&quotwidth=&quot51&quotheight=&quot21&quot/&gt&lt/sub&gt是连续函数，则&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image636.gif&quotwidth=&quot235&quotheight=&quot40&quot/&gt&lt/sub&gt。
√、对
、错
正确答案√
第21题设&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image772.gif&quotwidth=&quot16&quotheight=&quot16&quot/&gt&lt/sub&gt是以点&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image774.gif&quotwidth=&quot87&quotheight=&quot20&quot/&gt&lt/sub&gt和&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image776.gif&quotwidth=&quot43&quotheight=&quot20&quot/&gt&lt/sub&gt为顶点的三角形区域，则&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image778.gif&quotwidth=&quot69&quotheight=&quot41&quot/&gt&lt/sub&gt=&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image780.gif&quotwidth=&quot16&quotheight=&quot41&quot/&gt&lt/sub&gt。
√、对
、错
正确答案√
第22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。
√、对
、错
正确答案√
第23题对于多元函数而言，偏导数存在则一定可微。
√、对
、错
正确答案
第24题级数&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image790.gif&quotwidth=&quot44&quotheight=&quot55&quot/&gt&lt/sub&gt是收敛的。
√、对
、错
正确答案√
第25题若级数&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image628.gif&quotwidth=&quot44&quotheight=&quot45&quot/&gt&lt/sub&gt发散，则&ltsub&gt&ltimgsrc=&quothttp//otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b227d744fb3af0681b3837ce025/xia.files/image630.gif&quotwidth=&quot40&quotheight=&quot45&quot/&gt&lt/sub&gt必发散。
√、对
、错
正确答案

奥鹏易百