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## Homework Statement

Hi.

I'm trying to solve the limit of the function:

lim

_{(x,y)→(0,0)}f(x,y) =

= lim

_{(x,y)→(0,0) 3 * x2 / (x2 + y2) Homework Equations The Attempt at a Solution x2 / (x2 + y2) is a limited function. Its image is always between 0 and 1. However I don't know what to do from here on. What I tought was that since (x,y) → (0,0) then I can say that x = y and x2 / (x2 + y2) becomes 1/2. I don't think I can do this tho... Any help or hint will be highly appreciated.}