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# Complex Analysis - Laurent Series

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1. I need to find the Laurent expansion of

valid for |z|>3

I would have no problem if this was 1/(z+3) as then I would say

for |z| > 3

What do I do with the z+1 in the denominator though?
2. (Original post by Swayum)
I need to find the Laurent expansion of

valid for |z|>3

I would have no problem if this was 1/(z+3) as then I would say

for |z| > 3

What do I do with the z+1 in the denominator though?
Split the expression by partial fractions and apply your method.

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