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# Can you reduce this matrix to find the determinant. I reduced it to get it into upper triangular form but i keep getting the determinant incorrect.

Can you reduce this matrix to find the determinant. I reduced it to get it into upper triangular form but i keep getting the determinant incorrect.

1,1,-1

2,0,1

3-,2,1

Ans :−¿ [ 1 1 −1Let A= 2 013 −2 1 ([) 1 1 −1Det ( A )=Det 2 01 .3 −2 1 | | | | | | Det ( A )=1 0 1 −1 2 1 −1 2 0−2 13 13 −2¿ 1 ( 0+ 2 )−1 ( 2−3 )−1 (−4−0 )...