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Top Questions
9
votes
Some method to solve $\int \frac{1}{\left(1+x^2\right)^{2}} dx$ and some doubts.
calculus
integral
integration
asked Jul 13 '12 at 6:31
math.stackexchange.com
7
votes
$\lim_{n\rightarrow \infty} \frac{1}{n^{3}}\sum_{k=1}^{n-1}k^2 $
sequences-and-series
limit
asked Sep 4 '12 at 6:45
math.stackexchange.com
6
votes
What's the sum of $\sum_{k=1}^{\infty} e^{-k(x-k)^{2}}$?
calculus
real-analysis
sequences-and-series
asked May 17 '12 at 17:00
math.stackexchange.com
5
votes
Calculate $\int f(x) f''(x)dx$
calculus
integral
integration
asked Jul 4 '12 at 10:56
math.stackexchange.com
Top Answers
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