Question: Given evaluate (AB) 1 , A 1 B 1 , B 1 A 1 and show that (AB) 1 = B 1 A 1

Given

A || [12] 2 1 and B 1 1

evaluate (AB)–1, A–1B–1, B–1A–1 and show that (AB)–1 = B–1A–1

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