[理工] [線代]-證明題
請問2題簡單證明..
t
1.rank(A A)=rank (A)
t
2. rank(A(A ))=rank (A)
謝謝幫忙><
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03/10 19:24, , 1F
03/10 19:24, 1F
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03/10 19:31, , 2F
03/10 19:31, 2F
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03/10 19:45, , 3F
03/10 19:45, 3F
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03/10 19:48, , 4F
03/10 19:48, 4F
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03/10 19:54, , 5F
03/10 19:54, 5F
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03/10 21:44, , 6F
03/10 21:44, 6F
推
03/10 22:43, , 7F
03/10 22:43, 7F