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已知三阶矩阵A的特征值为-1,1,2,则矩阵B=(A+)-1(其中A*为A的伴随矩阵)的特征值为()。 A.ql3/46E

已知三阶矩阵A的特征值为-1,1,2,则矩阵B=(A+)-1(其中A*为A的伴随矩阵)的特征值为()。已知三阶矩阵A的特征值为-1,1,2,则矩阵B=(A+)-1(其中A*为A的伴随矩阵)的特征值为()

A.ql3/46EI(顺时针向)

B.-ql3/46EI(逆时针向)

C.3ql3/92E(顺时针向)

D.-3ql3/92EI(逆时针向)

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