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Math.SE seems to be going the stackoverflow way. Pity.


1d
answered Why is this sum wrong?
Jan
13
answered Limit of a sequence of a function
Jan
12
answered For finding limits of functions, when are graphs deceiving?
Jan
12
answered How prove there exsit $M$ such $a_{n}\le M$
Jan
12
answered Sum: $\sum_{n=1}^\infty\prod_{k=1}^n\frac{k}{k+a}=\frac{1}{a-1}$
Jan
10
answered How can i prove that this function is in the given bounds?
Jan
10
answered Derivated function $f$ so that $f(x+y)=f(x)f(y)$ and $f'(x)f(y)=f(x)f'(y)$ for all $x,y \in \Bbb R$
Jan
10
answered How Many Permutations of $\{1,\ldots,n\}$ satisfy that $x_i<x_{i+2}$ and $x_i<x_{i+3}$?
Jan
10
answered Why does every “fibonacci like” series converge to $\phi$?
Jan
9
answered Question about integral of the product of two continuous functions.
Jan
8
answered Find $\sum_{k_1+\cdots+k_n=m}\frac{1}{k_1!\cdots k_n!}$.
Jan
8
answered 2N digit number with exactly N ones and N zeros. Prove there exists a number divisible by N
Jan
6
answered Closed form for a formula with a summation over $i\binom{n-i}{k-1}$, and combinatorial proof?
Jan
3
answered Finding a value from 5 systems of equations of 5 variables(CHMMC 2014)
Jan
3
answered Encode order of playing cards (data compression)
Jan
2
answered Find this limit: $ \lim_{n \to \infty}{(e^{\frac{1}{n}} - \frac{2}{n})^n}$
Dec
19
answered Integer part of a sum (floor)
Dec
15
answered recursive sub-sequences of sequence , one is increasing and one is decreasing to same limit -> the sequence converge?
Dec
15
answered A finite sum over $\pm 1$ vectors
Nov
24
answered Irrational number inequality : $1+\frac{1}{\sqrt{2}}+\frac{1}{\sqrt{3}}>\sqrt{3}$