Inversib Matrices and Identity

👨🏻‍🏫 學術台數學

2013-09-26 7:49 pm

Can anyone teach me how the following 2 questions?
the questions are in the link below:
http://blog.yimg.com/3/KcutVhp7s58pQ5Vx_PowSzy3i98NvOevXdlckjayvtQThTvtxzASgQ--/57/l/.wtXRfalXZlFkOrOzyY_XA.jpg

回答 (1)

2013-09-26 8:10 pm

✔ 最佳答案

the answer are as follows

圖片參考：http://imgcld.yimg.com/8/n/HA00108663/o/20130926120900.jpg

參考: knowledge

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收錄日期: 2021-04-13 19:44:11
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20130926000051KK00080

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