View the step-by-step solution to:


If A=[9 4]

[6 7]

Then A^-1=[][]


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New Doc 2019-10-02 00.22.55_1.jpg

To find the inverse matrix, augment
it with the identity matrix and perform row operations trying to
make the identity matrix to the left.
Then to the right will be inverse
matrix. 80, augment the...

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