Question: (a) Let 3 -6 8 A = and B = 2 -5 4 -7 Evaluate each of the following expressions, if possible. Where evaluation is

(a) Let 3 -6 8 A = and B = 2 -5 4 -7 Evaluate each of the following expressions, if possible. Where evaluation is not possible, explain why not. (i) AB (ii) BA (iii) A + 2B (iv) 4A - BA (v) 2B + B2

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