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Mathematics, 25.10.2021 04:50 jr928718

:Cho A là một ma trận vuông cấp 4 có det(A) = - 2. Gọi A* là ma trận phụ hợp của ma trận A tính định thức (2A*).

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:Cho A là một ma trận vuông cấp 4 có det(A) = - 2. Gọi A* là ma trận phụ hợp của ma trận A tính đị...
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