Question: Given find A 1 and B 1 . Verify that (AB) 1 = B 1 A 1 .

Given

[1 A = 6 02] 40 6-21 [5 2 and B = 3-1 4] 2 4-3

find A–1 and B–1. Verify that (AB)–1 = B–1A–1.

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