北语网院21秋《高等数学(本)》作业_1百分
21秋《高等数学(本)》作业_11.[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( )
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>
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>
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>
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>
答:——A——
2.[单选题] 幂级数<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image478.gif" width="89" height="47"/></sub>的收敛域是( )
A.<span><sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image480.gif" width="40" height="21" /></sub></span>
B.<span><sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image482.gif" width="40" height="21" /></sub> </span>
C.<span><sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image484.gif" width="40" height="21" /></sub></span>
D.<span><sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image486.gif" width="51" height="21" /></sub></span>
答:——B——
3.[单选题] <img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/3747.jpg"/>
A.
B.
C.
D.
答:——C——
4.[单选题] 调和级数<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image474.gif" width="192" height="45"/></sub>是( )
A.收敛
B.发散
C.在一定区间收敛,在另一区间发散
D.无法判断
答:————
5.[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/image104.gif" width="51" height="21"/></sub>可微是它的两个偏导数存在的( )
A.充分而非必要条件
B.必要而非充分条件
C.充分必要条件
D.既非充分也非必要条件
答:————
6.[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>( )
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>
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>
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>
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>
答:————
7.[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( )
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>
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>
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>
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>
答:————
8.[单选题] 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>由方程<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image380.gif" width="137" height="24"/></sub>所确定的隐函数,则<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image382.gif" width="23" height="44"/></sub>=( )
A.<span><sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image384.gif" width="24" height="41" /></sub></span>
B.<span><sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image386.gif" width="25" height="41" /></sub> </span>
C.<span><sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image388.gif" width="33" height="41" /></sub></span>
D.<span><sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image390.gif" width="24" height="41" /></sub></span>
答:————
9.[单选题] <img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/3739.jpg"/>
A.
B.
C.
D.
答:————
10.[单选题] 设<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image450.gif" width="201" height="29"/></sub>,则<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image452.gif" width="40" height="39"/></sub>=( )
A.<span><sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image454.gif" width="81" height="19" /></sub></span>
B.<span><sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image456.gif" width="37" height="19" /></sub> </span>
C.<span><sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image458.gif" width="73" height="27" /></sub></span>
D.<span><sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image460.gif" width="69" height="27" /></sub></span>
答:————
11.[单选题] <img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/3757.jpg"/>
A.
B.
C.
D.
答:————
12.[单选题] <img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/3781.jpg"/>
A.
B.
C.
D.
答:————
13.[单选题] <img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/3749.jpg"/>
A.
B.
C.
D.
答:————
14.[单选题] <img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/4331.jpg"/>
A.
B.
C.
D.
答:————
15.[单选题] 设<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image436.gif" width="232" height="32"/></sub>则在极坐标系下<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image438.gif" width="84" height="44"/></sub>=( )
A.<span><sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image440.gif" width="83" height="35" /></sub></span>
B.<span><sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image442.gif" width="84" height="40" /></sub></span>
C.<span><sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image444.gif" width="90" height="35" /></sub></span>
D.<span><sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image446.gif" width="91" height="40" /></sub></span>
答:————
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>。
A.对
B.错
答:————
17.[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。
A.对
B.错
答:————
18.[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。
A.对
B.错
答:————
19.[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。
A.对
B.错
答:————
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/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>。
A.对
B.错
答:————
21.[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>。
A.对
B.错
答:————
22.[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>。
A.对
B.错
答:————
23.[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>。
A.对
B.错
答:————
24.[判断题] 收敛的级数都是绝对收敛的。
A.对
B.错
答:————
25.[判断题] 两个收敛的级数可以逐项相加与逐项相减。
A.对
B.错
答:————
页:
[1]