0044《 线性代数》20秋西南大学在线作业答案题目及答案
0044 线性代数1.[单选题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472525736418068820.png" title="201608301472525736418068820.png" alt="blob.png"/>
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A.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472525781186055147.png" title="201608301472525781186055147.png" alt="blob.png"/>
B.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472525769425019854.png" title="201608301472525769425019854.png" alt="blob.png"/>
C.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472525793907063527.png" title="201608301472525793907063527.png" alt="blob.png"/>
D.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472525756980086622.png" title="201608301472525756980086622.png" alt="blob.png"/>
2.[单选题] 矩阵A与B相似, 则下列说法不正确的是（ ）
A.style="text-indent:32px">A与B有相同的特征值
B.A = B
C.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472524743192090079.png" title="201608301472524743192090079.png" alt="blob.png"/>
D.R(A) = R(B)
3.[单选题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472527855543038216.png" title="201608301472527855543038216.png" alt="blob.png"/>
A.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472527955966030146.png" title="201608301472527955966030146.png" alt="blob.png"/>
B.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472527869287079174.png" title="201608301472527869287079174.png" alt="blob.png"/>
C.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472527968358000214.png" title="201608301472527968358000214.png" alt="blob.png"/>
D.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472527880604019939.png" title="201608301472527880604019939.png" alt="blob.png"/>
4.[单选题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472528775259012732.png" title="201608301472528775259012732.png" alt="blob.png"/>
A.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472528812558036070.png" title="201608301472528812558036070.png" alt="blob.png"/>
B.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472528795766097093.png" title="201608301472528795766097093.png" alt="blob.png"/>
C.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472528804679065553.png" title="201608301472528804679065553.png" alt="blob.png"/>
D.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472528787577060485.png" title="201608301472528787577060485.png" alt="blob.png"/>
5.[单选题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472525928850084480.png" title="201608301472525928850084480.png" alt="blob.png"/>
A.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472525968684094242.png" title="201608301472525968684094242.png" alt="blob.png"/>
B.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472525952915051888.png" title="201608301472525952915051888.png" alt="blob.png"/>
C.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472525945376032777.png" title="201608301472525945376032777.png" alt="blob.png"/>
D.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472525960723037573.png" title="201608301472525960723037573.png" alt="blob.png"/>
6.[单选题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472528046141078806.png" title="201608301472528046141078806.png" alt="blob.png"/>
A.必有r个列向量线性无关
B.任意r个列向量都构成最大线性无关组
C.任何一个列向量都可以由其它r个列向量线性表出
D.任意r个列向量线性无关
7.[单选题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472526895342029607.png" title="201608301472526895342029607.png" alt="blob.png"/>
A.0
B.1
C.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472526917836026102.png" title="201608301472526917836026102.png" alt="blob.png"/>
D.<span style=";font-family:'Times New Roman';font-size:14px">?0</span><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">或</span></span><span style=";font-family:'Times New Roman';font-size:14px">1</span>
8.[单选题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472528658147017238.png" title="201608301472528658147017238.png" alt="blob.png"/>
A.2
B.4
C.<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472528684656057518.png" title="201608301472528684656057518.png" alt="blob.png"/>
D.1
9.[单选题]
<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472526798013072347.png" title="201608301472526798013072347.png" alt="blob.png"/>
A.C.必有一列向量可有其余列向量线性表示
B.必有两列元素对应成比例
C.任一列向量是其余列向量的线性组合
D.必有一列元素全为0
10.[单选题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472524633676068287.png" title="201608301472524633676068287.png" alt="blob.png"/>
A.D.A有n个互异特征值
B.A是实对称阵
C.A有n个线性无关的特征向量
D.A的特征向量两两正交
11.[判断题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472528160919044533.png" title="201608301472528160919044533.png" alt="blob.png"/>
A.正确
B.错误
12.[判断题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472528915817095284.png" title="201608301472528915817095284.png" alt="blob.png"/>
A.正确
B.错误
13.[判断题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472525140508029622.png" title="201608301472525140508029622.png" alt="blob.png"/>
A.正确
B.错误
14.[判断题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472528134262055905.png" title="201608301472528134262055905.png" alt="blob.png"/>
A.正确
B.错误
15.[判断题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472528891006018767.png" title="201608301472528891006018767.png" alt="blob.png"/>
A.正确
B.错误
16.[判断题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472525106849038554.png" title="201608301472525106849038554.png" alt="blob.png"/>
A.正确
B.错误
17.[判断题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472528961751055311.png" title="201608301472528961751055311.png" alt="blob.png"/>
A.正确
B.错误
18.[判断题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472528196684041876.png" title="201608301472528196684041876.png" alt="blob.png"/>
A.正确
B.错误
19.[判断题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472527090842012847.png" title="201608301472527090842012847.png" alt="blob.png"/>
A.正确 Q1647861640吉大答案请进 ap5u.com
B.错误
20.[判断题] 设A、B为两个不可逆的同阶方阵，则|A| = |B| （ ）
A.正确
B.错误
21.[判断题] 转置运算不改变方阵的行列式、秩和特征值. ( )
A.正确
B.错误
22.[判断题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472527018104044828.png" title="201608301472527018104044828.png" alt="blob.png"/>
A.正确
B.错误
23.[判断题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472526122045020100.png" title="201608301472526122045020100.png" alt="blob.png"/>
A.正确
B.错误
24.[判断题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472527065339023546.png" title="201608301472527065339023546.png" alt="blob.png"/>
A.正确
B.错误
25.[判断题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472526045806063225.png" title="201608301472526045806063225.png" alt="blob.png"/>
A.正确
B.错误
26.[主观填空题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472527387649092869.png" title="201608301472527387649092869.png" alt="blob.png"/>
A.
27.[主观填空题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472528506830081253.png" title="201608301472528506830081253.png" alt="blob.png"/>
A.
28.[主观填空题] 设三阶方阵A的三个特征值为1，2，3，则|A + E| = ( ).
A.
29.[主观填空题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472528587284065985.png" title="201608301472528587284065985.png" alt="blob.png"/>
A.
30.[主观填空题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472525632047037932.png" title="201608301472525632047037932.png" alt="blob.png"/>
A.
31.[主观填空题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472527443819049299.png" title="201608301472527443819049299.png" alt="blob.png"/>
A.
32.[主观填空题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472524396484058712.png" title="201608301472524396484058712.png" alt="blob.png"/>
A.
33.[主观填空题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472524438305034542.png" title="201608301472524438305034542.png" alt="blob.png"/>
A.
34.[主观填空题]
<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472525581255060596.png" title="201608301472525581255060596.png" alt="blob.png"/>
A.
35.[主观填空题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472526694992031323.png" title="201608301472526694992031323.png" alt="blob.png"/>
A.
36.[主观填空题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472524481808010124.png" title="201608301472524481808010124.png" alt="blob.png"/>
A.
37.[主观填空题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472526587291080081.png" title="201608301472526587291080081.png" alt="blob.png"/>
A.
38.[主观填空题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472527514856087008.png" title="201608301472527514856087008.png" alt="blob.png"/>
A.
39.[主观填空题] 设线性方程组Ax = 0，A是4×5阶矩阵，如果R(A) = 3，则其解空间的维数为( ).
A.
40.[主观填空题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472526620871007783.png" title="201608301472526620871007783.png" alt="blob.png"/>
A.
41.[问答题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472525237999033190.png" title="201608301472525237999033190.png" alt="blob.png"/>
A.
42.[问答题] <img title="201703081488937894288005714.png" alt="QQ截图20170308095121.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201703081488937894288005714.png"/>
A.
43.[问答题] <img title="201703081488936925391083939.png" alt="QQ截图20170308093526.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201703081488936925391083939.png"/>
A.
44.[问答题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472526183152013469.png" title="201608301472526183152013469.png" alt="blob.png"/>
A.
45.[问答题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472525344111005554.png" title="201608301472525344111005554.png" alt="blob.png"/>
A.
46.[问答题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472527151622094928.png" title="201608301472527151622094928.png" alt="blob.png"/>
A.
47.[问答题] <img title="201703081488937684182002898.png" alt="QQ截图20170308094757.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201703081488937684182002898.png"/>
A.
48.[问答题] 2.
<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2019/11/28/201911281574929206303086637.png" title="201911281574929206303086637.png" alt="8.png"/>
A.
49.[问答题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472529108162055066.png" title="201608301472529108162055066.png" alt="blob.png"/>
A.
50.[问答题] <img title="201703081488936614749066043.png" alt="QQ截图20170308092950.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201703081488936614749066043.png"/>
A.
51.[问答题] 1.
<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2019/11/28/201911281574929024017047697.png" title="201911281574929024017047697.png" alt="1.png"/>
A.
52.[问答题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472527221151082697.png" title="201608301472527221151082697.png" alt="blob.png"/>
A.
53.[问答题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472529020651013633.png" title="201608301472529020651013633.png" alt="blob.png"/>
A.
54.[问答题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472528256595047705.png" title="201608301472528256595047705.png" alt="blob.png"/>
A.
55.[问答题] <img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201608301472526416252073886.png" title="201608301472526416252073886.png" alt="blob.png"/>
A.
56.[问答题] <img title="201703081488937792319029679.png" alt="QQ截图20170308094902.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201703081488937792319029679.png"/>
A.
57.[问答题] A, B是同阶对称矩阵，证明：AB为对称矩阵的充要条件是A与B可交换.
A.
58.[问答题] 1.
<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2019/11/28/201911281574929611134041874.png" title="201911281574929611134041874.png" alt="1.png"/>
A.
59.[问答题] <img title="201703081488937961458099930.png" alt="QQ截图20170308095240.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201703081488937961458099930.png"/>
A.
60.[问答题] <img title="201703081488937492000078890.png" alt="QQ截图20170308094447.png" src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs/201703081488937492000078890.png"/>
A.
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