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Top Questions
52
votes
Why is $\int_{0}^{\infty} \frac {\ln x}{1+x^2} \mathrm{d}x =0$?
calculus
integration
improper-integrals
asked Jul 13, 2012 at 13:28
math.stackexchange.com
28
votes
Interesting Math for 3-graders
recreational-mathematics
asked Jun 23, 2013 at 14:23
math.stackexchange.com
11
votes
What's the name of this quantity?
combinatorics
terminology
permutations
asked Dec 31, 2013 at 19:17
math.stackexchange.com
11
votes
Construction of a right triangle
geometry
geometric-construction
asked Oct 8, 2012 at 17:04
math.stackexchange.com
9
votes
dissection of a $1\times 5$ rectangle to a square
geometry
asked Jan 5, 2012 at 22:40
math.stackexchange.com
7
votes
If $\sum\limits_{k=1}^{\infty}a_k=S $, then $ a_4+a_3+a_2+a_1+a_8+a_7+a_6+a_5+\dots=?$
calculus
sequences-and-series
asked Jun 17, 2012 at 13:42
math.stackexchange.com
7
votes
Approximating Increasing Sequence
algorithms
asked Dec 11, 2012 at 22:04
math.stackexchange.com
7
votes
VRPTW: OR-Tools does not return a feasible solution in a very simple case
python
or-tools
vehicle-routing
asked Dec 1, 2019 at 15:44
stackoverflow.com
6
votes
Evaluating $\frac{1}{\sqrt{4}+\sqrt{6}+\sqrt{9}}+\frac{1}{\sqrt{9}+\sqrt{12}+\sqrt{16}}+\frac{1}{\sqrt{16}+\sqrt{20}+\sqrt{25}}=?$
sequences-and-series
asked Jun 22, 2012 at 12:30
math.stackexchange.com
Top Answers
49
What is a good book to study linear algebra?
math.stackexchange.com
10
Calculating the limit $\lim((n!)^{1/n})$
math.stackexchange.com
7
Prove that $n! > \sqrt{n^n}, n \geq 3$
math.stackexchange.com
6
Show that $A_n=\sum\limits_{k=1}^n \sin k $ is bounded?
math.stackexchange.com
6
Show that $\lim_{n \rightarrow \infty} \sqrt[n]{a} =1$
math.stackexchange.com