If x minus Y is equal to 10 and X Y is equal to 12 find X square + Y square
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as we know (X-Y)^2=X^2+Y^2-2XY
therefore, X^2+Y^2=(X-Y)^2+2XY=100+24=124
therefore, X^2+Y^2=(X-Y)^2+2XY=100+24=124
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