Question: 1. (30) Given matrix A below: (a) Find A . (b) Findtrace(A* ). (c) Calculate the determinant of matrix A below using Laplace expansion by

1. (30) Given matrix A below: (a) Find A . (b)

1. (30) Given matrix A below: (a) Find A . (b) Findtrace(A* ). (c) Calculate the determinant of matrix A below using Laplace expansion by the first column. 3 -10 2 A = 5 -1 12 8 -3

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