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27m
answered Dense sets and Empty Interior
3h
answered Proving Welsh-Powell Algorithm
4h
answered Prove: As $n$ grows if $a_{n+1}-a_n$ converges so does $\frac{a_n}n$
18h
answered Have you seen these integer factorization algorithms before?
18h
answered Showing a certain cyclotomic polynomial must split
22h
answered Number of functions for $(f(x))^2=x^2$
22h
answered Last digits of sum $n!+m!$
22h
answered How calculate: $\lim \limits_{(x,y) \to (0,0)} \frac{ln(1+2x^2+4y^2)}{arctan(x^2+2y^2)} $?
22h
answered Probability to get from point A to point B.
23h
answered Is the mapping $f\colon\mathbb{R}\to\mathbb{R}$ defined by $f(x)=5x^3+3$ onto?
23h
answered A real $2 \times 2 $ matrix $M$ such that $M^2 = \tiny \begin{pmatrix} -1&0 \\ 0&-1-\epsilon \\ \end{pmatrix}$ , then :
1d
answered Finding roots in finite fields.
1d
answered Find the least degree Polynomial whose one of the roots is $ \cos(12^{\circ})$
1d
answered Let $f\colon [a,b]\to\mathbb R$ is continuous and $G(x,t)=t(x-1)$ when $t\leq x$ and $x(t-1)$ when $t\geq x$.
1d
answered Finding the sum of special multiplications
1d
answered Suppose $A$ is a subset of $B$ and $B$ is a subset of $C$ and $A$ is equinumerous with $C$. Prove $B$ is equinumerous with $C$.
1d
answered question regarding group permutation computation
1d
answered Power to which 7 is raised to produce a number starting with 2015…
1d
answered Proof of linear independence of non-empty subsets
1d
answered Prove that $F=\left(-x^2+2\right)\cdot \cos\left(x\right)+2x\sin\left(x\right)$ don't have limit