SOLUTION: Please help me find the inverse of: 3 -1 -2 1 All in brackets! If it exists! Thank you, Ray

Question 149909: Please help me find the inverse of:
3 -1
-2 1
All in brackets! If it exists!
Thank you, Ray
Answer by vleith(2983) (Show Source): You can put this solution on YOUR website!
See this http://mathworld.wolfram.com/MatrixInverse.html
Find the inverse of

Using the formula in the link above, find

So the inverse matrix is

Verify your result by multiplying the given matrix by the inverse and showing the result is the identity matrix

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