Evaluating $\int\sqrt{1 + \frac1{x^2}}\mathrm dx$
83325
Integral of $\frac{\sqrt{x^2+1}}{x}$
45872
Integration: $\int\frac{1}{(x^2+x+1)^{1/2}} dx$
8642
Calculate $ \int_{-2}^{0} \frac{x}{\sqrt{e^x+(x+2)^2}} dx $
123767
How to integrate $\int \frac{1}{\cos(x)}\,\mathrm dx$
63016
Integration of $\int\frac{1}{x^{4}+1}\mathrm dx$
109887
How to evaluate $\int_0^1 (\arctan x)^2 \ln(\frac{1+x^2}{2x^2}) dx$
79466
Evaluating $\int_0^1 \log \log \left(\frac{1}{x}\right) \frac{dx}{1+x^2}$
114195
Evaluating $\int_0^\infty \frac{\log (1+x)}{1+x^2}dx$
150890
Evaluating $\int_{\mathbb{R}}\frac{\exp(-x^2)}{1+x^2}\,\mathrm{d}x$
35861
Evaluate $\int_0^\infty\frac{\ln x}{1+x^2}dx$
34855
Evaluate the integral: $\int_{0}^{1} \frac{\ln(x+1)}{x^2+1} \mathrm dx$
120388
Evaluate $\int\frac{1}{1+x^6} \,dx$
83801
Finding $\int \frac {dx}{\sqrt {x^2 + 16}}$
143734
Evaluating $\int \frac{\sin\left(x\right)}{1+x^2}dx$
18732
How do I evaluate $\int \frac{\mathrm{d}x}{e^x + 1} $?
122361
Evaluate $\int_0^1\left(\frac{1}{\ln x} + \frac{1}{1-x}\right)^2 \mathrm dx$
24589
Integral of $1/(x^2-1)^2$