SOLUTION: Find the inverse of the matrix:
1 1 1
3 5 4
3 6 5
Algebra.Com
Question 225501: Find the inverse of the matrix:
1 1 1
3 5 4
3 6 5
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
)
Augment your matrix with the 3X3 identity matrix:
)
Next use Gauss-Jordan elimination to transform the left-hand 3X3 side of your augmented matrix into the identity matrix, thus:
)
The resulting 3X3 on the right, consisting of 
through 
will be your identity matrix.
Fortunately, there is a much easier way. Go to http://www.bluebit.gr/matrix-calculator/, enter your matrix just like you did here separating the elements with spaces and the rows with carriage returns, check off Matrix Inverse, and then click Calculate.
John
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