Limit with 2 variables – math.stackexchange.com

I am new to this topic so I appreciate any help on this. a)$$\lim_{(x,y) \rightarrow (0,0)} f(x,y) = \frac{x^2y}{x^4 +y^2}$$ For $x=0 \lor y=0 : f(x,y) \longrightarrow 0$ but for $y = x^2$ the ...

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