Find the integral $\int_{0}^\infty \frac {1}{(x^2+1)(x^7+1)} \, dx$
75423
Computing $\int_0^\infty\frac{1}{(1+x^{2015})(1+x^2)}$
67263
Compute integral $\int_{-\infty}^\infty \frac{x^4}{1+x^8} \, dx$
53519
Finding $\int_0^1{\frac{x^4(1-x)^4}{1+x^2}}dx$
62109
$\int_{-\infty}^{\infty} \frac{\cos(αx)}{(x^2+1)(x^2+4)} \mathrm dx$ using Complex methods
84884
Need help with the integral $\int_{0}^\infty e^{-x^{2}}x^{2n+1}dx $
143585
Solve the integral $\frac 1 {\sqrt {2 \pi t}}\int_{-\infty}^{\infty} x^2 e^{-\frac {x^2} {2t}}dx$
122843
Finding $\int_0^\infty \frac{\cos(ax)-\cos(bx)}{x}dx$
15625
Computing $\int_0^\infty\mathrm{d} x\frac{x}{e^x+1}$ with contour integration
132383
Evaluate the integral $\int_{-1}^1\frac{dx}{(e^x+1)(x^2+1)}$.
132388
Calculate $I=\int_0^1\frac{\ln(1+x)}{1+x^2}\,dx$
140574
Find $\lim_{n\to \infty} \int_0^1 nx^n e^{x^2} dx$
142619
Evaluating the complex integral $\int_{|z|=2}^{}\frac{1}{z^2+1}dz$
140203
Find the value of $\int_{-\infty}^{\infty} \frac{e^{-x^2}}{1+x^2} dx$ .
88670
Evaluating $\int \frac{1}{{x^4+1}} dx$
32312
Evaluating the integral $\int \frac{x^2+x}{(e^x+x+1)^2}dx$
132124
$\int_{0}^{\infty}\frac{x}{x^3+1}dx$ =?
140638
Integrating $\int_0^{\infty} \frac{dx}{1+x^3}$ using residues.