Could anyone help me how to prove whether or not the following limit exists? f(x,y)=(x^3-xy^2)/(x^2-y^2) as (x,y)->(0,0) Edit: Why cant i see how simple it is, i guess its just practice...
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Originally Posted by skirk34 Could anyone help me how to prove whether or not the following limit exists? f(x,y)=(x^3-xy^2)/(x^2-y^2) as (x,y)->(0,0) Take it from here. --Chris
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