Question: First use the formula A solve the system Ax = b. A = Find A A 1 78 6 7 b= = - 26

First use the formula A solve the system Ax = b. A = Find A A 1 78 6 7 b= = - 26 - 23 1 ad-bc d -b -C a a b [:] c d for the general 2x2 matrix A = to find A 1 -1 Then use A to

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