1. (a) (:1) - (::) 0 and B = 1 Let A - ( 1 2 ) mm - ( 22 ) (b) = 0 00 4 3 (c) 12 4 20 (d) 1 - Find AB – (B-¹ A¯¹)-¹. (13) (7) (e) None of these 20 01 abc de Solution:

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