Determinant of n x n Matrices. Solve for the determinant of the following matrices using (a) diagonal method and (b) cofactor method. 6 -3 -5 9. 2 -7 J = 1 -5 4 -7 9. 5 7 -7 0 a 0 b b b3 b4 a K = 0 c 0 0 d d3 0

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Q: g matrices using Pivotal method [2 3 7 9 3 B = 1 8 -5 2 6 -4 5 5 -6. 9 on

A: The given matrix is  B= 2 3 7 9      3 1 8 0     -5 2 3 5      6 -4 5 -6.