Clasification of singularities
I am trying to classify the singularities (essential, removable, pole) for
the following functions :
$f(z)=cos(z^{1/2})/(z^{1/2})$
$g(z)=e^{z/(1-z)}$
However I am not sure I understood very well the difference between the
types of singular points and the methods to use for $f$ and $g$. I would
appreciate some help.
Thank you!
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