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

Staff Emeritus
Re: integral!!

The first thing I would do is divide that out.

5. Dec 9, 2008

HallsofIvy

Staff Emeritus
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' ?