Friday, February 5, 2010

Use matricies to solve the system of equations. Use Gaussian elimination with back-substitution.

The augmented matrix is


On applying and we get (means inverse the sign of first row and divide the third row by 4)



On applying and we get



On applying we get 



On applying we get



Hence the given system of equations is equivalent to the following



and


Clearly no satisfy the last equation. 


Hence the given system has no solution and is inconsistent

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