Question: 1. Let A E M33 (R) be A = -1 6 (a) (2 marks) Find A-1. (b) (1 mark) Use your answer from part (a)

1. Let A E M33 (R) be A = -1 6 (a) (2 marks) Find A-1. (b) (1 mark) Use your answer from part (a) to solve the system x-y - 32 =4 cty-z=6 -x + 5y + 6z = 2

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