# Joqsan

Top Questions

asked Jul 6, 2017 at 16:50

## In how many ways is possible to write a number as the ordered sum of $1$ and $2$

asked Nov 1, 2016 at 18:57

## If $f$ is differentiable on $[1,2]$, then $\exists \alpha\in(1,2): f(2)-f(1) = \frac{\alpha^2}{2}f'(\alpha)$

asked Nov 2, 2016 at 22:13

## Proof by induction: $(1+x)^n > 1 + nx+nx^2$

asked Jan 31, 2015 at 20:58

## Help to understand this property: $\int\limits_{ka}^{kb}s\left(\frac{x}{k}\right)dx = k\int\limits_a^bs(x)dx$

asked Feb 20, 2015 at 14:10

## How to translate "Doing what makes you feel fulfilled"?

asked Jun 29, 2016 at 11:06

## Trigger: How does the inserted table work? How to access its rows?

asked Nov 13, 2016 at 16:57

## Let $G$ be a group. Show that $\forall a, b, c \in G$, the elements $abc, bca, cab$ have the same order.

asked Apr 17, 2017 at 15:34

## What's wrong?: Find the infinite sum $S = 1 + \frac{3}{4} + \frac{7}{16} + \frac{15}{64} + \frac{31}{256} + \ldots$

asked May 13, 2015 at 20:57