Consider the following Gauss elimination: 每,. Го о 11 1 1 0 0 3 2 -3 0 1 olA + 1 0 |E A → | 0 9 0 EE, A → 0 1 0 E3 E, E, A = 7 4 1 0 0 8 1 0 0 1 4 What is the determinant of A? det(A) =

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