[理工] 一題基本線代
題目
Let U be the subspace of R^3 generated by the vectors (1,2,0) and (-3,1,2)
Let V be the subspace of R^3 generated by the vectors (-1,5,2) and (4,1,-2
)
Show that U=V
我的作法
http://imgur.com/KAz5p3B

我想問的是在計算證明題這樣做OK嗎? 不做列交換
講義上的做法是把係數全求出來,我覺得好麻煩
謝謝
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