Cho hệ véc tơ 1 2 3 4
2 1 0 2
0 , 1 , 1 , .
1 3 0 3
S A A A A
...
Mathematics, 02.12.2021 16:00 AdoNice
Cho hệ véc tơ 1 2 3 4
2 1 0 2
0 , 1 , 1 , .
1 3 0 3
S A A A A
= = = = =
Chứng minh rằng hệ véc tơ S A A A 1 1 2 3 = , , là một cơ sở của S và tìm để hệ véc tơ
S A A A 2 2 3 4 = , , cũng là một cơ sở của S.
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