Integral of $\frac{1}{x^4+1}$
48233
Evaluating $\int_0^\infty \frac{dx}{1+x^4}$.
132383
Evaluate the integral $\int_{-1}^1\frac{dx}{(e^x+1)(x^2+1)}$.
120388
Evaluate $\int\frac{1}{1+x^6} \,dx$
132124
$\int_{0}^{\infty}\frac{x}{x^3+1}dx$ =?
116778
Calculation of an integral via residue.
149341
Help me evaluate $\int_0^1 \frac{\log(x+1)}{1+x^2} dx$
9390
$ \int_1^2\int_1^2 \int_1^2 \int_1^2 \frac{x_1+x_2+x_3-x_4}{x_1+x_2+x_3+x_4}dx_1dx_2dx_3dx_4 $
27195
Evaluating $\int_{0}^{1}\frac{1-x}{1+x}\frac{\mathrm dx}{\ln x}$
129675
How to integrate $\int \frac{1}{\sin^4x + \cos^4 x} \,dx$?
70013
How to calculate $\int \frac{x^2 }{(x^2+1)^2} dx$?
108554
Integrating $\int_0^\infty\frac{1}{1+x^6}dx$
105260
How to integrate $\int\sqrt{x^2+1}dx$
148743
$\int_0^\infty \frac{1}{1+x^ 9} \, dx$
80736
How to integrate $\int\frac{\sqrt{1+x^2}}{x}\,\mathrm dx$
17996
Integral $\int_0^1 \frac{\ln(x+\sqrt{1-x^2})}{x}dx$
141892
How to evaluate $\int_0^\infty \frac{1}{x^n+1} dx$
82311
Computing the primitive $\int\frac{1}{1+x^n} dx$