Unable to solve $ \int \frac{x + \sqrt{2}}{x^2 + \sqrt{2} x + 1} dx $?
108776
How to integrate $\int \frac{ev+f}{av^2 + bv +c} dv$?
67326
How to solve $ \int \limits _0 ^{2\pi} \dfrac{dx}{(\alpha +\beta\cos x)^2} $
100401
Evaluate $\int \frac{1}{(x^2+1)^2}dx$
46217
A nasty indefinite integral $ \int \frac{1}{x(x+1)(x+2)(x+3)(x+4) ... (x+m)} dx $
130736
Integrating $\int^0_\pi \frac{x \sin x}{1+\cos^2 x}$
156215
Integral $\int\frac{2x^2}{2x\cos(2x)+(x^2-1)\sin(2x)} \mathrm d x$
82170
Solve $x = \frac{1}{2}\tan(x)$
71611
Evaluating $\int\sqrt{\frac{1-x^2}{1+x^2}}\mathrm dx$
31529
Integrating $\int^2_{-2}\frac{x^2}{1+5^x}$
132388
Calculate $I=\int_0^1\frac{\ln(1+x)}{1+x^2}\,dx$
143734
Evaluating $\int \frac{\sin\left(x\right)}{1+x^2}dx$
61740
Evaluate the integration : $\int\sqrt{\frac{(1-\sin x)(2-\sin x)}{(1+\sin x)(2+\sin x)}}dx$
89387
Integrate : $\int \frac{x^2}{(x\cos x -\sin x)(x\sin x +\cos x)}dx$
16800
Integrating $\int_0^{2\pi} \frac1{a\cos(t)+b\sin(t)+c}dt$ with $\sqrt{a^2+b^2}=1<c$
6830
Find $\int\frac1x\sqrt\frac{1-x}{1+x}\ dx$
104094
Integral of $\frac{1}{(1+x^2)^2}$
88670
Evaluating $\int \frac{1}{{x^4+1}} dx$