What is a conditional double limit and how to compute it for
\begin{equation*} \lim_{(x,y)\rightarrow\infty,x\leq y}\frac{2x-1}{x-1}+\frac{x}{y}? \end{equation*}
What is a conditional double limit and how to compute it for
\begin{equation*} \lim_{(x,y)\rightarrow\infty,x\leq y}\frac{2x-1}{x-1}+\frac{x}{y}? \end{equation*}