If x =root 2+1/root-1 and y=root 2 -1/root 2+1. Find the value of x power 2+y power 2+xy | Class 9

If x =root 2+1/root-1 and y=root 2 -1/root 2+1. Find the value of x power 2+y power 2+xy | Class 9

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