Find the inverse of each of the matrices given below : if `A=[(3,1),(7,5)]` find x and y such that `A^(2)=deltaA-2I`. Hence , find `A^(-1)`.

Find the inverse of each of the matrices given below : if `A=[(3,1),(7

1.	Find the inverse of each of the matrices given below : if `A=[(3,1),(7,5)]` find x and y such that `A^(2)=deltaA-2I`. Hence , find `A^(-1)`.
Answer» `x=8,y=8 and A^(-1)=1/8.[(5,7),(-7,3)]`

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