Question: Given the following matrices: A = a 1 b 2 1 B 4 2 Where a, b are integers and a * b The determinant

Given the following matrices: A = a 1 b 2 1 B 4 2 Where a, b are integers and a * b The determinant of [AB] is (round your answer to 2 decimal places) Therefore, [AB]-1

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