Mathematics, 15.06.2021 06:10 smallsbjs
Cho hệ các vector U = {(1,2, 9); (0,-1,-8);(2,3,10);(1,0,-7)}
a. Tìm số chiều và một cơ sở W của không gian con sinh bởi hệ vector U .
b. Tìm tham số k để u=(2,3,k^2+1) là một tổ hợp tuyến tính của W , và suy ra [U]w.
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Cho hệ các vector U = {(1,2, 9); (0,-1,-8);(2,3,10);(1,0,-7)}
a. Tìm số chiều và một cơ sở W của kh...
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