A、<img width='117' height='147' src='/s/tiw/p3/UpLoadImage/2020-03-16/df64a259-823c-4a66-b41a-ae113eb42cf6.png'>
B、<img width='117' height='147' src='/s/tiw/p3/UpLoadImage/2020-03-16/08a42f9f-2d19-4703-9531-8a1c33f8e290.png'>
C、<img width='117' height='147' src='/s/tiw/p3/UpLoadImage/2020-03-16/0315e8ea-f52a-4dd4-a92b-08e62d74f277.png'>
D、<img width='107' height='107' src='/s/tiw/p3/UpLoadImage/2020-03-16/21275b39-1df7-4c89-b527-d2ba72a9882e.png'>
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试题解析
用矩阵的基本变换求矩阵的逆矩阵,计算如下
则有矩阵A的逆矩阵为