Let A be a 3x3 invertible matrix. The reduced row-echelon form of A is obtained by performing the following three elementary row operations in order: (i) First multiply row 2 by 3. (ii) Then add 2 times row 2 to row 3. (iii) Then finally interchange rows 3 and 1. Then what is det(A)? det(A) = 0

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