Mathematics, 19.06.2021 02:00, 610055470

Đưa dạng toàn phương về chính tắc bằng phép biến đổi trực giao: f = 〖4x〗_1^2 〖+5x〗_2^2 〖+3x〗_3^2 〖-4x〗_1 x_2 〖-4x〗_1 x_3

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Đưa dạng toàn phương về chính tắc bằng phép biến đổi trực giao: f = 〖4x〗_1^2 〖+5x〗_2^2 〖+3x〗_3^2 〖-4...