integrating $\int \frac{1}{e^x +1}\:dx$
18732
How do I evaluate $\int \frac{\mathrm{d}x}{e^x + 1} $?
108554
Integrating $\int_0^\infty\frac{1}{1+x^6}dx$
45872
Integration: $\int\frac{1}{(x^2+x+1)^{1/2}} dx$
112551
Demystify integration of $\int \frac{1}{x} \mathrm dx$
67608
Integration of $1/(x^2+x\sqrt{x})$
34762
Why isn't $\int \frac{1}{x}~dx = \frac{x^0}{0}$?
17852
$\int \frac{dx}{x\log(x)}$
38511
Evaluation of $\int\frac{1}{x^2.(x^4+1)^{\frac{3}{4}}}dx$
120388
Evaluate $\int\frac{1}{1+x^6} \,dx$
115992
Integrating $\frac{\log(1+x)}{1+x^2}$
145403
Stuck in integration: $\int {\frac{dx}{( 1+\sqrt {x})\sqrt{(x-{x}^2)}}}$
95934
How to integrate $\int\frac{1}{\sqrt{1+x^3}}\mathrm dx$?
95068
Integral of $\frac{1}{2x}$
115598
Evaluating $\int_{0}^{1} dx\frac{\log(1+x)}{1 + x^2}$
88757
Calculus 2 integral $\int {\frac{2}{x\sqrt{x+1}}}\, dx$
132452
Integral $\int_{\frac{1}{2}}^1 \frac{\ln x}{\sqrt{x^2+1}}dx$
91955
Integral of $\int\frac{1}{\log x}dx$