Calc/integra q

  • #1
badtwistoffate
81
0
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:

Answers and Replies

  • #2
Tzar
74
0
Have you tried partial fractions?
 
  • #3
badtwistoffate
81
0
i got this from a partital fraction... and the denominator can't be factored so i can't do that again. so a trig substitituition would be best?especially x=2tan (u)
 
  • #4
badtwistoffate
81
0
help anyone?
 

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