Hi sorry to trouble you but I've been to find the singular terms in the Laurent expansion of

at z=0

Am I correct in saying that because there is an essential singularity here it's undefined or am I completely wrong?

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- Jan 4th 2010, 04:11 AMthelostchildFinding Laurent Series
Hi sorry to trouble you but I've been to find the singular terms in the Laurent expansion of

at z=0

Am I correct in saying that because there is an essential singularity here it's undefined or am I completely wrong? - Jan 4th 2010, 05:25 AMshawsend
Why not just use the Taylor series for and then substitute .

- Jan 4th 2010, 06:02 AMthelostchild
- Jan 4th 2010, 01:10 PMmr fantastic