Closed form for the integral \[\int_{0}^{\infty}e^{-ax}e^{-x^{4}}dx\]
124445
Integral of the form $\int_{0}^{\infty}e^{-ax}e^{-x^{4}}dx$
84884
Need help with the integral $\int_{0}^\infty e^{-x^{2}}x^{2n+1}dx $
127284
Closed form of $\int_0^{\pi/2} \frac{\arctan^2 (\sin^2 \theta)}{\sin^2 \theta}\,d\theta$
69124
Integral $\int_{0}^{\infty}e^{-ax}\cos (bx)\operatorname d\!x$
122843
Finding $\int_0^\infty \frac{\cos(ax)-\cos(bx)}{x}dx$
3797
Approximate closed form of Integration involving a lot of terms
119410
Solution of $\int_0^\infty\frac{\ln(1+{x^2})}{1+{x^2}}$
67263
Compute integral $\int_{-\infty}^\infty \frac{x^4}{1+x^8} \, dx$
115375
Indefinite integral of $e^{x^n}$
151400
Closed-form of $\int_0^1 \operatorname{Li}_p(x) \, dx$
68097
Prove $\int\limits_{0}^{\infty} \mathrm{exp}(-ax^{2}-\frac{b}{x^{2}}) \mathrm{d} x = \frac{1}{2}\sqrt{\frac{\pi}{a}}\mathrm{e}^{-2\sqrt{ab}}$
1392
$\int_{0}^{\infty}{\left(x^3\cdot(e^x-1)^{-1} \right)}dx$
105494
Gaussian-like integral : $\int_0^{\infty} e^{-x^2} \cos( a x) \ \mathrm{d}x$
17986
Contour method to solve $\int^\infty_0\frac{\ln(1+x)}{1+x^2}\,dx$
91196
Complex Integration of $\int_0^\infty e^{-ax}\cos(bx)\,dx$
98710
Finding $\int_0^{\infty}xe^{-\lambda x} \, dx$
158147
Calculating $\int_{-\infty}^{\infty}\frac{\sin(ax)}{x}\, dx$ using complex analysis