You are Here: Home >< Maths

# Complex Analysis - Laurent Series

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.

## Register

Thanks for posting! You just need to create an account in order to submit the post
1. this can't be left blank
2. this can't be left blank
3. this can't be left blank

6 characters or longer with both numbers and letters is safer

4. this can't be left empty
1. Oops, you need to agree to our Ts&Cs to register

Updated: May 17, 2012
TSR Support Team

We have a brilliant team of more than 60 Support Team members looking after discussions on The Student Room, helping to make it a fun, safe and useful place to hang out.

This forum is supported by:
Today on TSR

### Haven't started revising yet?

It's not too late!

Poll
Useful resources

### Maths Forum posting guidelines

Not sure where to post? Read the updated guidelines here

### How to use LaTex

Writing equations the easy way

### Study habits of A* students

Top tips from students who have already aced their exams