参考答案: 欢迎编辑补充 刷刷题 shuashuati.com 为你提供【已知3维列向量组S1:α1,α2线性无关;S2:β】题目的参考答案举一反三 A customer has written a very angry letter declaring that he will no longer deal with you. You write to this person to remind him that he still has to pay his ...
设`m \times n` 矩阵`A`的秩为`R(A)=m<n`, `E_n`为`m`阶单位矩阵,则下列结论正确的是( ) A. 矩阵`A`的任意`m`个列向量必线性无关 B. 矩阵`A`的任意`m`阶子式不等于`0` C. 若矩阵`B`满足`AB= O `, 则必有`B= O ` D. 矩阵`A`通过初等行变换,必可化成`(E_m,...
设`m \times n` 矩阵`A`的秩为`R(A)=mltn`, `E_m`为`m`阶单位矩阵,则下列结论正确的是( ) A. 矩阵`A`的任意`m`个列向量必线性无关 B. 矩阵`A`的任意`m`阶子式不等于`0` C. 若矩阵`B`满足`AB= O `, 则必有`B= O ` D. 矩阵`A`通过初等行变换,必可化成`(E_m,...