Trong R^3 cho hệ 3 vecto: U1=( -1,3,2)
U2=( 2,1,4)
U3=( 1,-2,5)
Chứng minh h...
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Mathematics, 16.06.2021 04:00 PearlJam819
Trong R^3 cho hệ 3 vecto: U1=( -1,3,2)
U2=( 2,1,4)
U3=( 1,-2,5)
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