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4 -2 6 Let A x-4 -2 5 For what values of x is A invertible? 2 1 x The matrix A is invertible

4 -2 6 Let A x-4 -2 5 For what values of x is A invertible? 2 1 x The matrix A is invertible for all x 5 Incorrect answer. The first input is incorrect. -3

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