Evaluating an integral by substitution and special functions
45212
Integrals involving reciprocal square root of a quartic
40881
Evaluate $\int_{0}^{+\infty }{\left( \frac{x}{{{\text{e}}^{x}}-{{\text{e}}^{-x}}}-\frac{1}{2} \right)\frac{1}{{{x}^{2}}}\text{d}x}$
60944
Evaluating an integral with ${\mathrm{d}t}$ in the numerator, $\int \frac{\mathrm{d}t}{\cos(t)^2}$.
51971
How to evaluate the integral $\int e^{x^3}dx $
149723
Can I have some assistance in proving this integral?
27002
Evaluating $\int\limits_0^{\pi} \frac{dx}{1+2\sin^2x}$
63988
General formula for evaluating integrals of the form $\displaystyle\int_0^\infty x^ae^{-bx}dx$
40272
Can we find a closed form for this integral?
67953
Finding the asymptotic of an integral
124677
Substitution needed for calculating an integral
89028
Evaluate the integral $\int e^{-x}x^n dx$
32642
The formalism behind integration by substitution
25509
evaluation of an integral involving algebraic numbers
44681
Inverse of a function's integral
71982
Evaluating this integral $ \small\int \frac {x^2 dx} {(x\sin x+\cos x)^2} $
69978
Evaluating $\int_1^\infty \frac{1}{x(x^2+1)}\ dx$
3704
Evaluating the integral $\int_0^\infty \frac{\sin x} x \,\mathrm dx = \frac \pi 2$?