Partial Fraction: 1/(1 + x^4)

[spdrmncoo]

Integral: int dx/(1 + x^4)

I can use integration by Parts or Integration by Partial Fractions. :roll:

 

[royhaas]

Use $\displaystyle x^4+1 = (x^2+\sqrt{2}x+1)(x^2-\sqrt{2}x+1)$ for partial fractions.