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设A是3阶方阵,A能与对角阵相似的充分必要条件是().

单选题
2022-01-02 01:48
A、存在可逆阵P,使得P-1AP=B
B、A是实对称阵
C、A有3个线性无关的特征向量
D、A有3个不同的特征值
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正确答案
C

试题解析

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