[理工] [線代]-向量空間
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1.如果x屬於N(A) 則 M x 會再 N(M A M)
答案是 TURE 但是我怎麼湊也湊不出來...
2
2. In R 任何兩線性相依的向量 must be on a straight line
答案是 TRUE 但我看不太懂題目...
3. if vector set S form a basis of V ,and W is a subspace of V,
we may find a set of basis vector of W form S.
答案是 False 原因是W有可能是{0}所以不能去形成S?
希望高手來指導
感激不盡
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