Solving $\int_0^\infty 1/(1+x^4)\,dx$ using elementary high school methods
11757
How can I compute the integral $\int_{0}^{\infty} \frac{dt}{1+t^4}$?
111775
$\int_{-\infty}^{+\infty} e^{-x^2} dx$ with complex analysis
77983
Shortest method for $\int_{0}^{1}\frac{x^{4}\left(1-x\right)^{4}}{1+x^{2}}$
44737
$ \int_{-\infty}^{\infty} x^4 e^{-ax^2} dx$
765
$\int_0^\infty \frac{\log(x)}{x^2+\alpha^2}$ using residues
81831
Evaluate $\int_0^{\infty}\frac{\log x}{1+e^x}\,dx$
23087
Evaluate $\int_0^\infty \frac{(\log x)^2}{1+x^2} dx$ using complex analysis
21857
Seeking methods to solve: $\int_0^\infty \frac{\ln(t)}{t^n + 1}\:dt$
71700
How to solve $\int_0^\pi{\frac{\cos{nx}}{5 + 4\cos{x}}}dx$?
75423
Computing $\int_0^\infty\frac{1}{(1+x^{2015})(1+x^2)}$
140203
Find the value of $\int_{-\infty}^{\infty} \frac{e^{-x^2}}{1+x^2} dx$ .
141516
Solve $\int_0^{+\infty} \Big(\frac{\sin t}{t}\Big)^2 \ dt$
106812
Find $\int_{0}^{\infty} \frac{\ln(x)}{1+x^2}dx$
5537
Closed form for $ \int_0^\infty {\frac{{{x^n}}}{{1 + {x^m}}}dx }$
70830
How to evaluate $\int_{0}^{\infty}\exp(-x^2-1/x^2)dx$?
57224
Compute $\int_0^\infty \frac{dx}{1+x^3}$
144039
Computing $ \int_0^{\infty} \frac{ \sqrt [3] {x+1}-\sqrt [3] {x}}{\sqrt{x}} \mathrm dx$