1. Not finding help here? Sign up for a free 30min tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Integration by Parts.

  1. Oct 13, 2008 #1
    1. The problem statement, all variables and given/known data

    1/(u²(a+bu)²) a and b are constants u is the variable


    2. Relevant equations



    3. The attempt at a solution
    i know im suppose to use substition by parts but i dont know what to use.
    thanks for help in advance
     
  2. jcsd
  3. Oct 13, 2008 #2

    Mark44

    Staff: Mentor

    I'm confused. The title says "Integration by parts". Later on, you said you supposed to use "substitution by parts" which is not a technique I've ever heard of. There's a technique called "substitution".

    There's also a technique called "partial fractions" or "partial fraction decomposition" in which you can decompose a complicated rational expression into a sum of simpler rational expressions.

    So how are you supposed to do this problem?
     
  4. Oct 13, 2008 #3
    oops i mean integration by parts i dont know why i said substitution.sorry
     
  5. Oct 13, 2008 #4

    Defennder

    User Avatar
    Homework Helper

    The best approach would be to decompose the fraction first into it's partial fractions as suggested by Mark44. Then integrate the partial fractions separately.
     
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook

Have something to add?



Similar Discussions: Integration by Parts.
  1. Integration by parts (Replies: 6)

  2. Integration by parts (Replies: 8)

  3. Integration by Parts (Replies: 8)

Loading...