How can completing the square help simplify the integral (1+x)/(1-x-x^2) dx?

  • Thread starter Thread starter mingzhang54
  • Start date Start date
  • Tags Tags
    Integrate
Join the discussion
Registration is free. Start your own thread to ask a follow-up.
1 reply · 2K views
mingzhang54
Messages
1
Reaction score
0

Homework Statement


this is LFS of a question,which is
(1+x)/(1-x-x^2) dx!
i can not simplefy it at all b4 try to do d integration!

Homework Equations





The Attempt at a Solution

 
Physics news on Phys.org
Try completing the square for 1-x-x2. Your integral is in the form (a+b)/c which is the same as (a/c) + (b/c), so split the integrals.