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考研
设A,B为n阶对称矩阵,下列结论不正确的是( ).
设A,B为n阶对称矩阵,下列结论不正确的是( ).
admin
2022-11-03
174
问题
设A,B为n阶对称矩阵,下列结论不正确的是( ).
选项
A、AB为对称矩阵
B、设A,B可逆,则A
-1
+B
-1
为对称矩阵
C、A+B为对称矩阵
D、kA为对称矩阵
答案
A
解析
转载请注明原文地址:https://kaotiyun.com/show/fZkJ777K
0
考研数学三
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