Calculate complex integral $\int_{-\infty}^\infty e^{-ix^2}d x=?$
127712
Integration (Fourier transform)
21616
Calculate integral $\int_{-1}^{1} (1-x^2)^n dx $
57224
Compute $\int_0^\infty \frac{dx}{1+x^3}$
62109
$\int_{-\infty}^{\infty} \frac{\cos(αx)}{(x^2+1)(x^2+4)} \mathrm dx$ using Complex methods
518
What is the integral of $\int e^x\,\sin x\,\,dx$?
84034
Evaluate $\int_{-\infty}^{\infty} \chi_{[0,1]}(x-y) \chi_{[0,1]}(y) \, \mathrm{d}y$
51284
$\int_{-\infty}^\infty \frac{e^{ax}}{1+e^x}dx$ with residue calculus
23087
Evaluate $\int_0^\infty \frac{(\log x)^2}{1+x^2} dx$ using complex analysis
157255
Using residue theorem to integrate from $-\infty$ to $\infty$
124445
Integral of the form $\int_{0}^{\infty}e^{-ax}e^{-x^{4}}dx$
70830
How to evaluate $\int_{0}^{\infty}\exp(-x^2-1/x^2)dx$?
156485
How to evaluate $\int_{0}^{2\pi}e^{\cos \theta}\cos( \sin \theta) d\theta$?
3704
Evaluating the integral $\int_0^\infty \frac{\sin x} x \,\mathrm dx = \frac \pi 2$?
29680
How to determine $\int x^2 e^{-x^2}\mathrm dx$?
42758
How to find $ \int_0^\infty \dfrac x{1+e^x}\ dx$
128572
How $\int_{-\infty}^{\infty}\frac{dx}{1+x^2}$ exists?
153318
Calculating the following integral using complex analysis: $\int_{0}^{\pi}e^{a\cos(\theta)}\cos(a\sin(\theta))\, d\theta$