- #1

- 81

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**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:

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- Thread starter badtwistoffate
- Start date

- #1

- 81

- 0

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:

- #2

- 74

- 0

Have you tried partial fractions?

- #3

- 81

- 0

- #4

- 81

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help anyone?

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