Friday
April 25, 2014

Homework Help: precal

Posted by Anonymous on Sunday, November 13, 2011 at 3:40pm.

okay, so I'm trying to figure out how to do this 3x3 matrix. I'm suppose to be finding the determent and using CRAMER'S RULE. Can someone please explain to me how to do this?

4x-y+z= -5
2x+2y+3z=10
5x-2y+6z=1

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