SOLUTION: evaluate the 3 x 3 determinant 3 4 -1 4 6 2 8 -2 3

SOLUTION: evaluate the 3 x 3 determinant 3 4 -1 4 6 2 8 -2 3

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Question 33611: evaluate the 3 x 3 determinant

3 4 -1
4 6 2
8 -2 3

Answer by Nate(3500) (Show Source): You can put this solution on YOUR website!
3 4 -1
4 6 2
8 -2 3
3[(6)(3)-(-2)(2)]-4[(4*3)-(16)]+(-1)[(4)(-2)-(8)(6)]
3[(18)+(4)]-4[(12)-(16)]-1[(-8)-(48)]
3(22)-4(-4)-1(-56)
66+16+56
138
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