Integrate $\int_{-\infty}^\infty xe^{-\alpha x^2+\beta x}dx$
56815
how to solve $\int_{-\infty}^\infty e^{-x^2-x{\tau}} \cdot x\ dx$?
15625
Computing $\int_0^\infty\mathrm{d} x\frac{x}{e^x+1}$ with contour integration
41738
Best way to integrate $ \int_0^\infty \frac{e^{-at} - e^{-bt}}{t} \text{d}t $
123899
$\int_0^{+\infty}\frac{\sin(x)}{x^\alpha}dx=\frac{\Gamma(\alpha/2)\Gamma(1-\alpha/2)}{2\Gamma(\alpha)}$
126046
solving the integral $ \int_0^\infty \dfrac{\sin xt}{x(x^2+1)} dx $
34967
Compute $ \int_{0}^{ \infty }\frac{\ln xdx}{x^{2}+ax+b}$
70830
How to evaluate $\int_{0}^{\infty}\exp(-x^2-1/x^2)dx$?
121736
An improper integral : $\int_{0}^\infty {\ln(a^2+x^2)\over{b^2+x^2}}dx$
156531
Evaluating the integral $\int_{-\infty}^\infty \frac{\sin^2(x)}{x^2}e^{i t x} dx$
80428
Convergence of $\int\limits_1^{\infty}x^\alpha\sin(x^\beta)dx$
48233
Evaluating $\int_0^\infty \frac{dx}{1+x^4}$.
57224
Compute $\int_0^\infty \frac{dx}{1+x^3}$
68319
How can I evaluate $\int_{-\infty}^{\infty} e^{-x^2} dx$ without using polar coordinates
35861
Evaluate $\int_0^\infty\frac{\ln x}{1+x^2}dx$
51284
$\int_{-\infty}^\infty \frac{e^{ax}}{1+e^x}dx$ with residue calculus
123694
How to compute the integral $\int_{0}^{\infty} \frac{x^{1/3}}{1+x^{2}} \ dx$
91196
Complex Integration of $\int_0^\infty e^{-ax}\cos(bx)\,dx$