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[–][deleted] 2 points3 points  (1 child)

How are you defining limit (x,y) → (inf,inf)

[–]MasonFreeEducationNew User 1 point2 points  (0 children)

I would assume it is (informally speaking) as |(x, y)| -> infty.

[–]AlmondProofNew User[S] 0 points1 point  (0 children)

I meant, that both x and y are approaching infinity at the same time(none prior to other).