《线性代数》兰大2020年9月在线考核试题百分
《线性代数》2020年9月考试在线考核试题1.[单选题] <img id="ODrooaiTEMP20190805121559420.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODrooaiTEMP20190805121559420.png?Expires=1880295359&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=DU8wQYDphXnau/q1orqq2BOEHJg%3D" />
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A.(A)
B.(B)
C.(C)
D.(D)
答:——A——
2.[单选题] <img id="ODraqaoTEMP20190805121620227.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODraqaoTEMP20190805121620227.png?Expires=1880295380&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=Uyxlkf5gjiiqE0IhFWu4lmLB80I%3D" />
A.-2|A|
B.-4|A|
C.8|A|
D.16|A|
答:——D——
3.[单选题] <img id="ODkcfzlTEMP20190805121619367.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODkcfzlTEMP20190805121619367.png?Expires=1880295379&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=pXEJ3ctTj753avfRq1QhajUKbGI%3D" />
A.(A)
B.(B)
C.(C)
D.(D)
答:——C——
4.[单选题] <img id="ODiawwmTEMP20190805121621618.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODiawwmTEMP20190805121621618.png?Expires=1880295381&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=sYfA69sfqOecgrbwlb0U3MHAqBs%3D" />
A.1
B.2
C.3
D.4
答:————
5.[单选题] <img id="ODvxbzsTEMP20190805121557579.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODvxbzsTEMP20190805121557579.png?Expires=1880295357&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=THsRsg76SLrTk9rWGf1NZ7Azuv8%3D" />
A.-1
B.-1/4
C.1/4
D.1
答:————
6.[单选题] <img id="ODwgambTEMP20190805121638728.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODwgambTEMP20190805121638728.png?Expires=1880295398&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=lZyw%2BJPL46iEWCjh7KkJMuATZq8%3D" />
A.A与B相似
B.A与B不等价
C.A与B有相同的特征值 南开答案请进 ap5u.com 或q761296021
D.A与B合同
答:————
7.[单选题] <img id="ODoaghhTEMP20190805121558003.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODoaghhTEMP20190805121558003.png?Expires=1880295358&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=impoExh83PqXpBYa4eqGG5C01zc%3D" />
A.-108
B.-12
C.12
D.108
答:————
8.[单选题] 对任意n阶方阵A、B,总有( )
A.AB=BA
B.|AB|=|BA|
C.<img id="ODbdacuTEMP20190805121629619.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODbdacuTEMP20190805121629619.png?Expires=1880295389&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=0Kn4UJlZUEI3RVGa5gSS3pAN1g4%3D" />
D.|AT|=-|A|
答:————
9.[单选题] <img id="ODazzedTEMP20190805121616334.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODazzedTEMP20190805121616334.png?Expires=1880295376&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=d%2BhJRuukQWky%2Ba1bnCMfWdOhLGY%3D" />
A.(A)
B.(B)
C.(C)
D.(D)
答:————
10.[单选题] <img id="ODzvwkzTEMP20190805121618060.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODzvwkzTEMP20190805121618060.png?Expires=1880295378&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=57xctj%2B3c5y6suHpirhXXBUh6PM%3D" />
A.(A)
B.(B)
C.(C)
D.(D)
答:————
11.[单选题] <img id="ODsdjlnTEMP20190805121615443.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODsdjlnTEMP20190805121615443.png?Expires=1880295375&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=aaU/Q3n3weMsbV6lvjrFLThnd3I%3D" />
A.(A)
B.(B)
C.(C)
D.(D)
答:————
12.[单选题] <img id="ODjhabvTEMP20190805121606763.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODjhabvTEMP20190805121606763.png?Expires=1880295366&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=cbkT/YHfZ6z0Aq2MNQf1oti8n/k%3D" />
A.(A)
B.(B)
C.(C)
D.(D)
答:————
13.[单选题] <img id="ODomnzkTEMP20190805121616616.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODomnzkTEMP20190805121616616.png?Expires=1880295376&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=wHvSq9hUVJh7Cw2FmpDxQZSLkdA%3D" />
A.(A)
B.(B)
C.(C)
D.(D)
答:————
14.[单选题] <img id="ODyxajnTEMP20190805121601876.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODyxajnTEMP20190805121601876.png?Expires=1880295362&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=S%2B2n2fz9OChHRwAW9yNkbEkR0xM%3D" />
A.(A)
B.(B)
C.(C)
D.(D)
答:————
15.[单选题] 若A为3阶方阵且| A-1 |=2,则| 2A |=( )
A.<img id="ODmzxbgTEMP20190805121643628.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODmzxbgTEMP20190805121643628.png?Expires=1880295403&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=wroVop3/8TL7DScL827PQdyS1CM%3D" />
B.2
C.4
D.8
答:————
16.[问答题] <img id="ODtdoknTEMP20190805121726849.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODtdoknTEMP20190805121726849.png?Expires=1880295446&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=PVwQaLp/kFfOtY4/xF2qmzimjXU%3D" />
答:————
17.[问答题] <img id="ODbmtntTEMP20190805121641188.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODbmtntTEMP20190805121641188.png?Expires=1880295401&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=b8sUEDrfS%2B3ugukErTeYf1LTDLg%3D" />
答:————
18.[问答题] 通过对线性代数的学习,请谈谈如何判断齐次线性方程组是否有非零解。
答:————
19.[问答题] <img id="ODhplkzTEMP20190805121632474.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2019/0805/ODhplkzTEMP20190805121632474.png?Expires=1880295392&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=qG4G4e8IZK0IVBeXZUCWE%2BGPdlQ%3D" />
答:————
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