Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Homework Help: Calc/integra q

  1. Sep 25, 2005 #1
    calc/integral question

    having trouble with this question
    int[1/((x^2+4)^2)
    and i make a trig substitution x=2tan(u)
    and it seems to get harder with that but its suppose to be it..
     
    Last edited: Sep 25, 2005
  2. jcsd
  3. Sep 25, 2005 #2
    Have you tried partial fractions?
     
  4. Sep 25, 2005 #3
    i got this from a partital fraction... and the denominator cant be factored so i cant do that again. so a trig substitituition would be best?especially x=2tan (u)
     
  5. Sep 25, 2005 #4
    help anyone?
     
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook