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Mathematics
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Ahmbak
  • Member for 8 years, 9 months
  • Last seen more than 2 years ago
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8
Basic Olympiad number theory problem about prime numbers
Oct 23, 2015
8
Can I show $\sum_{i=1}^n 1/{i^2} \le 2$ without calculus?
Nov 21, 2015
6
Olympiad inequality problem with $a+b+c+abc=4$
Oct 16, 2015
5
Olympiad problem about finding minimum value with $x^2y^2+y^2z^2+z^2x^2\ge x^2y^2z^2$
Oct 26, 2015
5
Can a circle be divided into congruent shapes with one not sharing a point with circumferences?
Jan 4, 2017
3
Is $\sqrt2+\pi$ irrational?
Jul 26, 2016
3
Splitting a shape into a number of congruent shapes similar to the original; analogues to A4 paper system
May 19, 2018
3
Region in a unit simplex where two events are independent
Jul 1, 2019
3
Prove the inequality $\frac{a}{1+a^2}+\frac{b}{1+b^2}+\frac{c}{1+c^2}\le\frac{3\sqrt3}{4}$
Feb 18, 2018
2
Analytical problem from CSMO 2018
Aug 3, 2018