Mathematics, 24.06.2021 07:40, krisbarnett5353

Khi giải hệ phương trình tuyến tính XA = B với det(A)≠0 bằng cách dùng ma trận nghịch đảo. Công thức nghiệm của hệ là

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Khi giải hệ phương trình tuyến tính XA = B với det(A)≠0 bằng cách dùng ma trận nghịch đảo. Công thức...