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WannaBe22
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Homework Statement
Let f be analytic in the region [tex] (z:0<|z-a|<r) [/tex] and isn't defined at [tex]z=a[/tex].
Prove that if there is a neighborhood of z=a where [tex] Re f(z)>0 [/tex] then z=a is a removable singularity of f.
Hope you'll be able to help me
Thanks in advance