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分类: 数学2 (军队文职)
发布时间: 2023-11-03 09:29
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A.(Ⅰ)是(Ⅱ)的极大线性无关组
B.r(Ⅰ)=r(Ⅱ)
C.当(Ⅰ)中的向量均可由(Ⅱ)线性表示时,r(Ⅰ)=r(Ⅱ)
D.当(Ⅱ)中的向量均可由(Ⅰ)线性表示时,r(Ⅰ)=r(Ⅱ)
正确答案是D
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