Question: 1. (4 MARKS) 1 2 Let A = 1 and B = 4 3 Find AB _ (B_1A_1)_1. 2 0 1 0 0 (a) 1

1. (4 MARKS) 1 2 Let A = 1 and B = 4 3 Find AB _ (B_1A_1)_1. 2 0 1 0 0 (a) 1 2 (b) 0 1 0 (c) (d) 4 3 2 (e) None of these a b C e 101 2. (4 MARKS) Find the inverse of the following matrix A = 2 10 3 0 2 101 3 2'0 (a) A-1 = 210 (6) A-1 = 0 1 0 (c) A-1 = 4 0 2 0 3 20 (d) A-1 = 4 1 2 (e) None of these 3 0 a b C d e

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