Question: Prove that for f: C2 E Cand z0 E', limz+z0 f(z) exists if and only if lim 0+0+ diam(f(D(z0) n E {z0}}) =

Prove that for f: C2 E Cand z0 E', limz+z0 f(z) exists

Prove that for f: C2 E Cand z0 E', limz+z0 f(z) exists if and only if lim 0+0+ diam(f(D(z0) n E \ {z0}}) = 0. =

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