Improper integral of $x^{-x}$
45205
Showing that $\int_0^\infty x^{-x} \mathrm{d}x \leq 2$.
109385
Evaluating the integral $\int_{-\ln 2}^{\ln 2} e^{-x}(\sin x+x)^{1/3}dx$
45903
Improper integration involving complex analytic arguments
16639
How to integrate $ \int_0^\infty \sin x \cdot x ^{-1/3} dx$ (using Gamma function)
62067
Inverse function of $x^x$
104904
Calculating $\int_0^\infty \frac {\sin^2x}{x^2}dx$ using the Residue Theorem.
104691
Integration of $\int_{0}^{1} \frac{x^k}{1-x} dx$
68319
How can I evaluate $\int_{-\infty}^{\infty} e^{-x^2} dx$ without using polar coordinates
91196
Complex Integration of $\int_0^\infty e^{-ax}\cos(bx)\,dx$
112951
Improper integral $\sin(x)/x $ converges absolutely, conditionaly or diverges?
8289
Hints on calculating the integral $\int_0^1\frac{x^{19}-1}{\ln x}\,dx$
111775
$\int_{-\infty}^{+\infty} e^{-x^2} dx$ with complex analysis
76400
Finding $\int^{\infty}_{0}\frac{\ln^2(x)}{(1-x^2)^2} dx$
85081
$\int_{0}^{\infty} \frac{\cos x - e^{-x}}{x} \mathrm dx$ Evaluate Integral
124463
Integral from $0$ to $\infty$ of $\ln(x)/e^x$
21616
Calculate integral $\int_{-1}^{1} (1-x^2)^n dx $
110602
A nasty integral of a rational function