Question: Given that A = -3 2 a) b) c) d) Find detA. -1 1] 1 2 -2 11 (2 marks) Find the corresponding cofactor

Given that A = -3 2 a) b) c) d) Find detA. -1 1] 1 2 -2 11 (2 marks) Find the corresponding cofactor matrix of A. Show your working clearly. (6 marks) Hence, find A-. (4 marks) Hence, solve the following system of linear equations using inverse matrix method. x - 5y + 3z = -14 4x7yz = -17 6x - 4y + 5z = -19 (1) (2) (3)

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