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Re: residue at z=0 for sinh(z)*cosh(1/z) ?
Posted:
May 4, 2013 10:21 AM


On 04/05/2013 15:09, Brad Cooper wrote: > Puzzled by this... > > residue at z=0 for sinh(z)*cosh(1/z) ? > > Cannot obtain Laurent series.
You only need one term...
> Nothing else works either.
I get sum_{n=1}^infinity 1/((2n1)!(2n)!).



