b) Evaluate det[(2A)-1 (3A")], where A is any invertible (2 x 2) matrix.

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A: This problem is related to the vector algebra. The problem is solved in the following image.

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Q: let Q(x)= x12 -8x1x2 -5x22 , then matrix A of the quadratic from is A=?

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Q: Assuming that all matrices are n x n and invertible, solve for D. ABCT DBA¹C = ABT. D =…

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Q: what is the x on this matrix; Ax(D+Bx)^-1 = C

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