1.7 Find the determinant of this 4x4 matrix by following the plan: perform Gauss's Method and look for the determinant to remain unchanged on a row combination, to change sign on a row swap, to rescale on the rescaling of a row, and such that the determinant of the echelon form matrix is the product down its diagonal. /1 2 0 3 2 4 0 1 0 2) 1 -1 0 3 1 4/

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