Inverting a 3x3 matrix using determinants Part 1: Matrix of minors and cofactor matrix

Compute the determinant by cofactor expansion. At each step, choose a row or column that involves the least amount of computation. 3 0 -7 4 -4 0 0 2 0 0 6 2 -7 5 -9 6 0 5 2 -4 0 0 8 -3 5 = (Simplify your answer.)

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