Evaluating $\int \frac{x^2}{1+x^5}dx$
111956
Evaluating indefinite integrals of the form $\int \frac{x^2 \,dx}{a x^5 + b}$
83801
Finding $\int \frac {dx}{\sqrt {x^2 + 16}}$
154491
Evaluate $\int \frac{\sqrt{x^2-1}}{x} \mathrm{d}x$
99584
Evaluation of $\int \frac{\sqrt{\sin ^4x+\cos ^4x}}{\sin ^3x \cos x }dx$
104583
Simplify $\int \frac{1}{\sqrt{2-x^2}}\, dx$
40310
How to integrate $\frac{1}{\sqrt{1+x^2}}$ using substitution?
26096
Evaluating $\int \frac{\sin{x}+\cos{x}}{\sin^4{x}+\cos^4{x}} \mathrm dx$
38511
Evaluation of $\int\frac{1}{x^2.(x^4+1)^{\frac{3}{4}}}dx$
6014
Evaluating $\int_{-\infty}^{\infty}\frac{\exp\left(-a x^2\right)}{x^2+b^2}dx$
115992
Integrating $\frac{\log(1+x)}{1+x^2}$
38515
Integral of $\frac{1}{x^4+1}$
69978
Evaluating $\int_1^\infty \frac{1}{x(x^2+1)}\ dx$
88670
Evaluating $\int \frac{1}{{x^4+1}} dx$
95403
Evaluating $\int \frac{\sec^2 x}{(\sec x + \tan x )^{{9}/{2}}}\,\mathrm dx$
59667
Evaluating $\int_0^\infty\frac{\sin(x)}{x^2+1}\, dx$
60491
Evaluate $ \int_{25\pi/4}^{53\pi/4}\frac{1}{(1+2^{\sin x})(1+2^{\cos x})}dx $
117101
Integrate $\int \frac{dx}{\sqrt{-ax^2 + bx +c}} $