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cineel
  • Member for 4 years, 2 months
  • Last seen more than 1 year ago
  • Atlanta, GA, USA
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6
Is $x^3-ax-(2a+1)$ irreducible over $\Bbb Z$?
Dec 18, 2021
5
Matrix congruences
Oct 14, 2021
5
Prove that there exists 3 numbers $a,b,c$ so that $P(a)=b, P(b)=c, P(c)=a$
Nov 14, 2021
4
Suppose the roots to $z^4+az^3+bz^2+cz+d=0$ all have the property that $|z| =2$.
Feb 6, 2022
4
Solving the system $2x^2 = \frac{y}{z}+\frac{z}{y}$, $2y^2 = \frac{z}{x}+\frac{x}{z}$, $2z^2 = \frac{x}{y}+\frac{y}{x}$
Jan 29, 2022
3
Consider a set A = {0,1,2,3}, a relation R from set A = {(0,0),(1,1),(2,2),(3,3)}. Is relation R transitive? If yes, how?
Jan 3, 2022
3
How to calculate sum, if the recurrence is given?
Oct 8, 2021
3
Prove that ${f(1);f(2);f(3)...;f(3^{k})}$ is a complete set of residues mod $3^{k}$
Oct 9, 2021
3
Show for $n>3$ satisfying this identity, that $n$ is not prime
Oct 9, 2021
3
Prove that $\sqrt{\frac{1+\sqrt5}2}$ is not in $\mathbb Q(\sqrt5)$
Oct 28, 2021

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Is CFL strictly contained in NL?