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Let A = a b d where a, b, c, d are any real numbers. Assuming that ad - bc # 0, show that d

Let A = a b d where a, b, c, d are any real numbers. Assuming that ad - bc # 0, show that d -b A- 1 ad-bc ad-bc -C a ad-bc ad-bc Hint: verify that AA-1 = A-A =

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