View Single Post
  #2  
Old November 14th, 2007, 09:32 AM
topsquark's Avatar
topsquark topsquark is offline
Generous Contributor
 
Join Date: Jan 2006
Location: Angelica, NY
Posts: 7,618
Country:
Thanks: 643
Thanked 2,312 Times in 2,098 Posts
topsquark has a reputation beyond reputetopsquark has a reputation beyond reputetopsquark has a reputation beyond reputetopsquark has a reputation beyond reputetopsquark has a reputation beyond reputetopsquark has a reputation beyond reputetopsquark has a reputation beyond reputetopsquark has a reputation beyond reputetopsquark has a reputation beyond reputetopsquark has a reputation beyond reputetopsquark has a reputation beyond repute
Default

Quote:
Originally Posted by evansf View Post
Evalulate ∫
Hint:
\frac{3x + 3}{x^3 - 1} = 3 \frac{x + 1}{(x - 1)(x^2 + x + 1)}

So you are looking for partial fractions of the form
\frac{x + 1}{(x - 1)(x^2 + x + 1)} = \frac{A}{x - 1} + \frac{Bx + c}{x^2 + x + 1}

-Dan
__________________
Got a Physics question? Come on over to
To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.

To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.


"I must not fear. Fear is the mind killer. Fear is the little death that brings total obliteration. I will face my fear. I will permit it to pass over me and through me. And when it has gone I will turn the inner eye to see its path. Where the fear has gone there will be nothing. Only I will remain." - The Litany Against Fear, "Dune" by Frank Herbert
Reply With Quote