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Don't have much time these days...


Oct
12
answered Equation with radicals
Oct
11
asked Different proofs of $\lim\limits_{n \rightarrow \infty} n \int_0^1 \frac{x^n - (1-x)^n}{2x-1} \mathrm dx= 2$
Oct
11
answered Finding $\lim\limits_{n \to \infty} \sum\limits_{k=0}^n { n \choose k}^{-1}$
Oct
11
answered Determining n in sigma ($\Sigma_{x=0}^n$)
Oct
10
answered What number of positive integers satisfying the given inequality?
Oct
10
answered Minimum cuts for weighted graphs
Oct
10
answered Tangent to two disks: Roots of a 4th-degree polynomial?
Oct
9
answered Finding the Number of Positive integers such that $\lfloor{\sqrt{n}\rfloor} \mid n$
Oct
8
answered Are there integer solutions to $9^x - 8^y = 1$?
Oct
7
answered Is there a simple function which can be used to determine the two “next” search indexes in a binary search?
Oct
6
answered On Zeta function zeros in the critical strip
Oct
5
answered When does an orthomorphism of the cyclic group exist?
Oct
5
answered Linear Algebra Word Question (school play audience numbers and ticket prices)
Oct
3
answered Integral solutions to $y^{2}=x^{3}-1$
Oct
3
answered Theorem on natural density
Oct
3
answered An interesting series
Oct
2
answered Efficiently finding two squares which sum to a prime
Oct
1
answered Division of Factorials
Oct
1
answered Proving ${n \choose p} \equiv \Bigl[\frac{n}{p}\Bigr] \ (\text{mod} \ p)$
Sep
30
answered How big are transitively reduced graphs?