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Question 1 1 1 Let A = 1 2 -2 1 -1] a) Find A2 and A3. (6 marks) b) Evaluate 3A + A2 -

Question 1 1 1 Let A = 1 2 -2 1 -1] a) Find A2 and A3. (6 marks) b) Evaluate 3A + A2 - A3. (5 marks) c) Hence, determine the inverse of A. (7 marks) d) Find transpose of A-1. (2 marks)

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