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August 27, 2014

August 27, 2014

Posted by **Jon** on Tuesday, February 26, 2008 at 2:17pm.

|-3 0 1|

|-5 4 2|

It's going to be really confusing if I post my work. I got -127 from all the confusing things I did

- Math -
**Count Iblis**, Tuesday, February 26, 2008 at 5:41pm12 5 -2

-3 0 1

-5 4 2

Expand the determinant along the second row:

3 times det of

5 -2

4 2

= 3* 18 = 54

-1 times det of

12 5

-5 4

= -73

54 - 73 = -19

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