What's $\int \frac{1}{\sqrt{25-x^2}}$
104583
Simplify $\int \frac{1}{\sqrt{2-x^2}}\, dx$
115598
Evaluating $\int_{0}^{1} dx\frac{\log(1+x)}{1 + x^2}$
4971
$\int_{0}^{1}\frac{1-x}{1+x}.\frac{dx}{\sqrt{x+x^2+x^3}}$
71611
Evaluating $\int\sqrt{\frac{1-x^2}{1+x^2}}\mathrm dx$
104094
Integral of $\frac{1}{(1+x^2)^2}$
32312
Evaluating the integral $\int \frac{x^2+x}{(e^x+x+1)^2}dx$
68639
given $I_{n}=\int^1_{0}x^n\sqrt{1-x^2}dx$, then finding value of $ \frac{I_{n}}{I_{n-2}}$
83801
Finding $\int \frac {dx}{\sqrt {x^2 + 16}}$
42992
How do I integrate the following? $\int{\frac{(1+x^{2})\mathrm dx}{(1-x^{2})\sqrt{1+x^{4}}}}$
88757
Calculus 2 integral $\int {\frac{2}{x\sqrt{x+1}}}\, dx$
65028
Evaluate $\int\frac {\csc^2{x}-2005}{\cos^{2005}{x}} dx $
54831
Integral of $\sqrt{1-x^2}$ using integration by parts
145403
Stuck in integration: $\int {\frac{dx}{( 1+\sqrt {x})\sqrt{(x-{x}^2)}}}$
91821
Integral of type $\displaystyle \int\frac{1}{\sqrt[4]{x^4+1}}dx$
86794
Integrate $\int \frac{25 - x^2}{x^4} \operatorname d\!x$
141387
Reduction Integration of $I_n=\int{\frac{x^n}{\sqrt{x^2+a^2}} dx}$
38515
Integral of $\frac{1}{x^4+1}$