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96,355
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# 96,355 Reputation

30 today
 +10 55 mins ago upvote Rigorous proof that surjectivity implies injectivity for finite sets +10 2 hours ago upvote Find $c_1,c_2,c_3\in\mathbb{Q}$ such that $(1+\alpha^4)^{-1}=c_1+c_2\alpha+c_3\alpha^2$ in $\Bbb Q(\alpha)$. +10 10 hours ago upvote Find $\lim_{n \to \infty} \left( \frac{3^{3n}(n!)^3}{(3n)!}\right)^{1/n}$
215 yesterday
 +85 18:51 8 events Find $\lim_{n \to \infty} \left( \frac{3^{3n}(n!)^3}{(3n)!}\right)^{1/n}$ +40 22:09 7 events Is there any nice explanation of why the complex exponential function has no roots in the complex plane? +30 19:33 4 events Calculate: $16^{4321}\pmod{9}$ +20 12:36 2 events Prove that there is no largest irrational number +10 11:25 upvote Books for Geometry processing +10 10:32 upvote Expressing the roots of a cubic as polynomials in one root +10 04:58 upvote Let $5 \leq k < n$. Then $2k$ divides $n(n - 1)… (n - k + 1)$. What should I use permutations or polynomials? +10 03:11 upvote Exercise on Fundamentals of Divisibility: Factorization Domains
200 2 days ago
 +35 12:39 3 events Find the value of +30 23:56 3 events Prove that $24^{31}$ is congruent to $23^{32}$ mod 19. +30 17:20 3 events How to show $\frac{19}{7}0}, .)$ +20 13:22 2 events Quick Question on linear matrix transformation +10 12:42 2 events Expressing the roots of a cubic as polynomials in one root +10 08:55 upvote If $0 < a < b,$ there exists an $x_{0}$ such that for $x \geq x_0$ there is at least one prime between $ax$ and $bx.$ +10 01:23 upvote Do all square matrices have eigenvectors?
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