In Exercises 4748, find (AB) -1 , A -1 B -1 , and B -1 A -1
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In Exercises 47–48, find (AB)-1, A-1 B-1, and B-1 A-1. What do you observe?
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A 2-9 1 -4 B = 95
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A A AB 29 14 B 95 74 49 1 2 2 99 57 ...View the full answer
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