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#1 2007-04-17 01:58:33
- freddogtgj
- Member
- Registered: 2006-12-02
- Posts: 54
Integration Help
I can't believe I forgot this, but could someone explain to me how to solve the following integration:
∫x/(1+x) dx
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#2 2007-04-17 02:17:05
- JaneFairfax
- Member
- Registered: 2007-02-23
- Posts: 6,868
Re: Integration Help
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#3 2007-04-17 04:50:06
- freddogtgj
- Member
- Registered: 2006-12-02
- Posts: 54
Re: Integration Help
Oh i see thanks!
The answer is: x-ln(1+x)
Am i right?
Last edited by freddogtgj (2007-04-17 04:51:41)
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#4 2007-04-17 07:24:31
- Zhylliolom
- Real Member
- Registered: 2005-09-05
- Posts: 412
Re: Integration Help
You're almost right... but don't forget your constant of integration!
Depending on your teacher you might lose a point or two for leaving that out. 
Do you know how to do partial fractions?
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#5 2007-04-21 09:29:44
- freddogtgj
- Member
- Registered: 2006-12-02
- Posts: 54
Re: Integration Help
Oh yea the constant! Partial fractions? Well, yea, but depends on the question...
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