What is the expansion for $\frac{1}{1+x+x^{2}}$?
112089
Find the Maclaurin series of f(x)
128572
How $\int_{-\infty}^{\infty}\frac{dx}{1+x^2}$ exists?
36424
What is the Taylor series of $\ln \frac{1-x^2}{1+x^2}$?
104583
Simplify $\int \frac{1}{\sqrt{2-x^2}}\, dx$
83325
Integral of $\frac{\sqrt{x^2+1}}{x}$
74692
Simple Power Series Expansion for Problems similar to $f = (1 + \epsilon \,x)^{1/\epsilon}$
56671
Find the limit $ \lim_{x \to \infty} \frac{e^{x}}{(1+\frac{1}{x})^{x^{2}}} $
4971
$\int_{0}^{1}\frac{1-x}{1+x}.\frac{dx}{\sqrt{x+x^2+x^3}}$
57224
Compute $\int_0^\infty \frac{dx}{1+x^3}$
105765
Integrating $\frac{x^k }{1+\cosh(x)}$
32312
Evaluating the integral $\int \frac{x^2+x}{(e^x+x+1)^2}dx$
128496
Find the coefficient of $x^9$ in the expansion of $(1+x)(1+x^2)(1+x^3)...(1+x^{100})$
115598
Evaluating $\int_{0}^{1} dx\frac{\log(1+x)}{1 + x^2}$
123500
Integration of $\frac {1}{1+\sin x}$
80736
How to integrate $\int\frac{\sqrt{1+x^2}}{x}\,\mathrm dx$
147173
How $x^2$ increases by $x+\frac{1}{x}$?
100401
Evaluate $\int \frac{1}{(x^2+1)^2}dx$