Consider the following Gauss elimination: What is the determinant of A? det(A)= [100] [10 [1 0 0 -6 7 A 0 0 1A 0 1 ・ E₁ 0 0 0 6 En 0 1 0 E₁A → 0 1 0 E2E₁A → 00 1 0 9 0 EEE₁A 9 -7 0 0 1 0 0 2 Es E₁

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