subject
Mathematics, 21.10.2021 14:00 dokithefursona

Cho A

B
là các ma trận vuông cấp n thỏa
1 A PBP

, với
P
là ma trận vuông cấp n khả
nghịch. Phát biểu nào sau đây là sai
A. A khả nghịch khi và chỉ khi B khả nghịch B.
3 1 3 B P A P 

C.
3 1 3 3 3 B (P ) A P 

D. Giả sử A khả nghịch, ta có
1 1 det(A ) det(B )  
 .

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Answers: 2

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You know the right answer?
Cho A

B
là các ma trận vuông cấp n thỏa
1 A PBP

, với...

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