Let A and B be two matrices such that 30 k n B-1 A-1 = 12 0 15 and When calculating (AB)1, the matrix that corresponds to: 34 4k + 12n a) 180 120 30n + 15k b) 16 180 120 30n + 15k c) 180 120 4k + 12n d) 180

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Q: Let A and B be n × n nonsingular matrices. Find nonsin- gular matrices P and Q so that PAQ = B.

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