I'm trying to find the continuity of $$\frac{(1-x)(1-y)}{1-x^2-y^2}$$ at the point $(1,0)$ assuming $f(1,0)=\frac12$. I guess I have to use the method with epsilon and delta, but it's so complicated to me, I can't find a way to get there by manipulating the function.
2026-04-09 05:44:23.1775713463
Continuity of function with multiple variables
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