Integral of $\frac{1}{x^4+1}$

Asked Dec 27 '13 at 14:44

Active Dec 27 '13 at 20:32

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Just doing this for revision, seems much harder than it should be, should I use $x=\tan u$ ? Any help appreciated.

edited Dec 27 '13 at 16:40

Harry Peter

asked Dec 27 '13 at 14:44

yorkmaths

0 Answers0