# Homework Help: Integral homework problem help please

1. Dec 8, 2008

### jason.bourne

how do i solve this integral

integral of [ (1+y^2) / (1-y) ] dy

??

i tried my best but i couldnt solve.
help me out plz.

2. Dec 8, 2008

### gabbagabbahey

Re: integral!!

You say you've tried your best; but you haven't shown exactly what you've tried.

So.....what methods have you tried?

3. Dec 8, 2008

### lurflurf

Re: integral!!

let u=log(1-y)

4. Dec 8, 2008

### HallsofIvy

Re: integral!!

The first thing I would do is divide that out.

5. Dec 9, 2008

### HallsofIvy

Re: integral!!

This is ridiculous. Obviously Jason Bourne hasn't even bothered to look back at this thread.

6. Dec 14, 2008

### jason.bourne

Re: integral!!

guys,
m sorry i couldn't reply. i was away for few days.

thank you very very very much for your replies.

thanks lurflurf ur method did work.
once again sorry for the late response.

thank you guys.

7. Dec 15, 2008

### dextercioby

Re: integral!!

Make the substitution

$$1-y = t$$. Can you rewrite the integral in terms of 't' ?