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Let A, B be the third order matrix and A be irreversible, AB+2B=0 and r(B)=2, to calculate |A+4E|.

匿名用户 最后更新于 2021-10-17 20:44 数学类Mathematics

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Let A, B be the third order matrix and A be irreversible, AB +2B =0 and r(B)=2, to calculate [A+


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