The part about Laurent series in my Complex Analysis book is somewhat vague and Wikipedia etc. didn't help me much.(adsbygoogle = window.adsbygoogle || []).push({});

I am hoping someone would tell me the exact mathematical definition of a Laurent series (around a given point?) of a given function, perhaps providing an example. Also, how can i use this to find the residue of the contour integral around a single singularity, provided that i have already located the singularities?

Any help is much appreciated!

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# Help understanding Laurent series in complex analysis

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