首页/ 题库 / [单选题]设A为m×n矩阵,m≠n,则齐次线性方程的答案

设A为m×n矩阵,m≠n,则齐次线性方程组Ax=0只有零解的充分必要条件是A的秩( )

单选题
2022-04-01 19:53
A、小于m
B、等于m
C、小于n
D、等于n
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正确答案
D

试题解析

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