# Math Help - How to prove that this limit does exists...

1. ## How to prove that this limit does exists...

How can I correctly justify, demonstrate, and properly determine that this limit exists?

lim (x,y) --> (0,0) $\sqrt{x^2+y^2}$

How can I correctly justify, demonstrate, and properly determine that this limit exists?
lim (x,y) --> (0,0) $\sqrt{x^2+y^2}$
The distance .

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3. Thank you very much for the answer. How do you get to the conclusion that $\varepsilon=\delta$ I mean... how do you directly relate them?

Thank you very much for the answer. How do you get to the conclusion that $\varepsilon=\delta$ I mean... how do you directly relate them?