If A=[{:(4,3),(2,5):}], find x and y suc...

If `A=[{:(4,3),(2,5):}]`, find x and y such that `A^(2)+xA+yI_(2)=O_(2)`. Hence, find `A^(-1)`.

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The correct Answer is:

`(1)/(14)[[5,-3],[-2,4]]`

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