Finding the integral of $\frac{x}{e^x + 1}$
42758
How to find $ \int_0^\infty \dfrac x{1+e^x}\ dx$
65982
Evaluate the improper integral $ \int_0^1 \frac{\ln(1+x)}{x}\,dx $
157931
Contour integration of $\int \frac{dx} {(1+x^2)^{n+1}}$
104094
Integral of $\frac{1}{(1+x^2)^2}$
108554
Integrating $\int_0^\infty\frac{1}{1+x^6}dx$
38515
Integral of $\frac{1}{x^4+1}$
141892
How to evaluate $\int_0^\infty \frac{1}{x^n+1} dx$
23522
Exponential integral $ \int_0^\infty \frac{x^t}{\Gamma(t+1)}\text dt$
106878
How to integrate $\int \frac{e^x dx}{1\,+\,e^{2x}}$
88757
Calculus 2 integral $\int {\frac{2}{x\sqrt{x+1}}}\, dx$
51216
Different ways to tackle the integral $\int_0^1\sqrt\frac x{1-x}\,dx$
8289
Hints on calculating the integral $\int_0^1\frac{x^{19}-1}{\ln x}\,dx$
57686
Finding $ \int^1_0 \frac{\ln(1+x)}{x}dx$
83801
Finding $\int \frac {dx}{\sqrt {x^2 + 16}}$
112551
Demystify integration of $\int \frac{1}{x} \mathrm dx$
21464
Finding the integral $\int_0^1 \frac{x^a - 1}{\log x} dx$
109901
Computing $\int_0^\infty\frac1{(x+1)(x+2)\cdots(x+n)}\mathrm dx $