How can I solve $\int \sqrt{1+x^2}\,dx$?
105260
How to integrate $\int\sqrt{x^2+1}dx$
150809
Compute $ \int_0^1\frac{\ln^2(1+x)}{1+x^2}\, dx$
80319
Integrate: $\int (x^2+a^2)^{-3/2} \cdot dx$
98787
Calculation of $\int \sqrt{\tan x+2}dx$
145403
Stuck in integration: $\int {\frac{dx}{( 1+\sqrt {x})\sqrt{(x-{x}^2)}}}$
18931
Is there really no way to integrate $e^{-x^2}$?
9730
Solve the integral $\int_0^\infty x/(x^3+1) dx$
1150
Indefinite Integral of $\sqrt{\sin x}$
6830
Find $\int\frac1x\sqrt\frac{1-x}{1+x}\ dx$
94700
Integer solutions for $x^3+2=y^2$?
137625
Need a hint to evaluate the indefinite integral $\int\frac{e^x(2-x^2)}{(1-x)\sqrt{1-x^2}}dx$?
82113
Solve $\int cos{\sqrt x} \ dx$ using a combination of substitution and integration by parts
82016
Given $p^2+q^2+r^2+1=s+\sqrt{p+q+r-s}$, solve for $s$
136981
How can I solve this integral using the Residue theorem?
141387
Reduction Integration of $I_n=\int{\frac{x^n}{\sqrt{x^2+a^2}} dx}$
120899
Integration with a constant "a": $ \int_0^a \frac1{\sqrt {a^2-x^2}} dx $
138968
how to integrate $\frac{1}{\sqrt{e^{2x}+e^x+1}}$