# Math Help - Prove!!

1. ## Prove!!

Let f=u+iv be an entire function . if RE(f) has a lower bound [i.e there is $Uo \in R U(x,y) \geq Uo for> all (x,y) \in C$
then prove that f must be constant

2. Here...

http://en.wikipedia.org/wiki/Liouvil...plex_analysis)

Kind regards

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