SOLUTION: 3x+5y+6z=3
2x+3y+5z=1
-2x+7y-34z=-4
use Gauss-Jordan elimination method to find the inverse of the coefficient matrix.
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Question 97240:  3x+5y+6z=3
2x+3y+5z=1
-2x+7y-34z=-4
use Gauss-Jordan elimination method to find the inverse of the coefficient matrix. 
Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
 There is no inverse on a 2 x 3 matrix.
Cheers,
Stan H. 
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