An integral with $1/n!$
22573
Volume of $T_n=\{x_i\ge0:x_1+\cdots+x_n\le1\}$
17454
Evaluate the integral $\int_0^n \frac{f(x)}{f(x) + f(n-x)}dx $
141892
How to evaluate $\int_0^\infty \frac{1}{x^n+1} dx$
24716
$\int_0^\infty\frac{\log x dx}{x^2-1}$ with a hint.
129578
A result of Stieltjes Integral
56867
Convergence proof that involves integral
133406
$n^a$ integral for all integer $n$ implies $a$ integral
151649
Exact Values of the integal $\int_0^\infty \frac{r^{n-1}}{(1+r^2)^{\frac{s}{2}}}\,dr$
6829
Reduction formula for integral $\int 1/(a^2+x^2)^n dx$
116778
Calculation of an integral via residue.
91955
Integral of $\int\frac{1}{\log x}dx$
24941
How to evaluate $\lim_{n\to\infty}n!/n^{k}$
58616
A generalization for Serret's integral $\int_0^a \frac{\ln(1+ax)}{1+x^2}dx$
101351
Calculate $\int \limits {x^n \over 1+x+\frac{x^2}{2!}+\frac{x^3}{3!}+...+\frac{x^n}{n!}} dx$ where $n$ is a positive integer.
21375
The integral $\int_0^\infty \dfrac{x \sin(x)}{x^2+1} dx$
148743
$\int_0^\infty \frac{1}{1+x^ 9} \, dx$
11489
Limit of $s_n = \int\limits_0^1 \frac{nx^{n-1}}{1+x} dx$ as $n \to \infty$