Calculate $\int_{-\infty}^{\infty}{\frac{dx}{x^{2n}+1}}$
116778
Calculation of an integral via residue.
65337
Compute $\int_{0}^{\infty}\frac{x\sin 2x}{9+x^{2}} \, dx$
93759
Evaluate $\int_{0}^{\infty} \frac{e^{ax}-e^{bx}}{(1+e^{ax})(1+e^{bx})} dx$
24022
Compute $\int _0 ^{2\pi} (\sum_{n=1}^\infty \frac {\cos(nx)}{2^n})^2 dx$
70013
How to calculate $\int \frac{x^2 }{(x^2+1)^2} dx$?
128572
How $\int_{-\infty}^{\infty}\frac{dx}{1+x^2}$ exists?
75423
Computing $\int_0^\infty\frac{1}{(1+x^{2015})(1+x^2)}$
4225
How to calculate $\int\limits_{-\infty}^\infty\frac{e^{ix}}{x}dx$
45622
Value of this definite integral $\int_{0}^{\infty} \frac{ \ln(x)}{x^2+2x+4} dx $
81258
Evaluation of $\int_{-\infty}^\infty \frac{\sin(at)}t\ dt$
765
$\int_0^\infty \frac{\log(x)}{x^2+\alpha^2}$ using residues
140638
Integrating $\int_0^{\infty} \frac{dx}{1+x^3}$ using residues.
60572
Computing $\int_{-\infty}^\infty \frac{\sin x}{x} \mathrm{d}x$ with residue calculus
6014
Evaluating $\int_{-\infty}^{\infty}\frac{\exp\left(-a x^2\right)}{x^2+b^2}dx$
141892
How to evaluate $\int_0^\infty \frac{1}{x^n+1} dx$
51284
$\int_{-\infty}^\infty \frac{e^{ax}}{1+e^x}dx$ with residue calculus
108554
Integrating $\int_0^\infty\frac{1}{1+x^6}dx$