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#1 2007-11-22 11:11:10
- Ilusa
- Guest
Integration by substitution.
#2 2007-11-22 11:16:34
- Ilusa
- Guest
Re: Integration by substitution.
Sorry the last post was totally messed up I'm trying to use the right way of ebtering the problem, I hope this works. It's for my homework tonight we have to solve it using integration by substitution.
#3 2007-11-22 11:20:52
- Ilusa
- Guest
Re: Integration by substitution.
Sorry it came out wrong again I'll just have to type it out on the keyboard.
Question the integal of x over the square root of (x+1) dx
the answer is 2/3 by the square root of (1+x)3 -2( the square root of(x+1))
#4 2007-11-22 11:22:39
- Ilusa
- Guest
Re: Integration by substitution.
sorry in the answer that should be (x+1)to the power of 3 and not (x+1)3
#5 2007-11-22 12:59:06
- Krizalid
- Member
- Registered: 2007-03-09
- Posts: 51
Re: Integration by substitution.
Ilusa wrote:
Question the integal of x over the square root of (x+1) dx
Okay, this makes more sense.
Substitute
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#6 2007-11-22 13:17:56
- JaneFairfax
- Member
- Registered: 2007-02-23
- Posts: 6,868
Re: Integration by substitution.
Or
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#7 2007-11-22 13:56:09
- Ilusa
- Guest
Re: Integration by substitution.
thanks you both really helped me out 
!
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