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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.A的任意m个列向量必线性无关
B.A的任意一个m阶子式不等于零
C.若矩阵B满足BA=0，则B=0
D.
正确答案是C
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