Question 346086
You mean you want to simplify the expression?
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{{{(x^(-2)+y^(-2))/(xy)^(-2)=((xy)^2(x^(-2)+y^(-2)))/((xy)^2(xy)^(-2))}}}

{{{(x^(-2)+y^(-2))/(xy)^(-2)=(y^2+x^2)/(1)}}}
{{{(x^(-2)+y^(-2))/(xy)^(-2)=highlight(x^2+y^2)}}}