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已知3阶矩阵A的特征值为-1,0,1,则下列矩阵中可逆的是()
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线性代数(经管类)(04184)
发表:2024年09月12日 09时09分19秒
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admin
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已知3阶矩阵A的特征值为-1,0,1,则下列矩阵中可逆的是()
A、A
B、E-A
C、-E-A
D、2E-A
【正确答案】:D
【题目解析】:【答案解析】λ是方阵A的特征值的充分必要条件时|λE-A|=0,即λE-A不可逆。
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