In Exercises 3942, find A -1 . Check that AA -1 = I and A -1 A
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In Exercises 39–42, find A-1. Check that AA-1 = I and A-1 A = I.
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10 A = 2 1 10 -2 0 -3
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10 1 1 0 0 21 0 0 1 0 103 00 1 02 30 102 1 0 0 1 01 0 0 102 42 1 01R3 1 ...View the full answer
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