下列结论正确的是____________. -题库考试答案搜索网

下列结论正确的是____________.

单选题

2021-09-01 17:28

A、,B为n阶对角矩阵，则AB=BA
B、A,B均为方阵，则（AB)K=AkBk
C、A,B为方阵，其中A2=0,则A=0
D、若矩阵AB=AC，且A≠0，则B=C

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正确答案

A

试题解析

标签：青书学堂延安大学线性代数(高起专)

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