Question

Proving an inequality for elementary symmetric polynomials

score 156 · Answer 1 · 2026-03-25 07:42:10

156

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Proving an inequality for elementary symmetric polynomials

Published on 25 Mar 2026 - 7:42

score 1k · Answer 2 · 2018-05-06 23:03:24

1k

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Addition and subtraction with "?" and "!"

Published on 06 May 2018 - 23:03

score 2k · Answer 3 · 2018-05-07 04:18:15

2k

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British Maths Olympiad (BMO) 2004 Round 1 Question 1 alternative approaches?

Published on 07 May 2018 - 4:18

score 130 · Answer 4 · 2018-05-08 00:14:12

130

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knights and knaves... and a traveller

Published on 08 May 2018 - 0:14

score 206 · Answer 5 · 2018-05-10 13:53:17

206

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Solve the diophantine equation $(n+2)^p-n^q=2$

Published on 10 May 2018 - 13:53

score 74 · Answer 6 · 2018-05-10 16:52:23

74

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A very different, difficult geometry problem that need to be helped-

Published on 10 May 2018 - 16:52

score 238 · Answer 7 · 2026-03-25 11:16:34

238

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A functional equation problem: $ \frac { f \left( f ( y ) ^ 2 + x y \right) } { f ( y ) } = f ( x ) + y $

Published on 25 Mar 2026 - 11:16

score 728 · Answer 8 · 2026-03-21 14:49:33

728

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A geometry problem with the reflection of the incenter

Published on 21 Mar 2026 - 14:49

score 780 · Answer 9 · 2026-03-25 05:46:58

780

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Finding equal partial sum given two $N$-tuples of natural numbers

Published on 25 Mar 2026 - 5:46

score 731 · Answer 10 · 2026-03-25 19:04:27

731

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British Maths Olympiad (BMO) 2003 Round 1 Question 4 what is wrong with this approach, can it be fixed?

Published on 25 Mar 2026 - 19:04

score 863 · Answer 11 · 2018-05-12 02:46:11

863

Views

What is Stewart's Theorem?

Published on 12 May 2018 - 2:46

score 685 · Answer 12 · 2018-05-12 13:07:31

685

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A common tangent line

Published on 12 May 2018 - 13:07

score 268 · Answer 13 · 2018-05-12 15:49:36

268

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there exist a polynomial $p(x)\in\Bbb{Z}[x]$ of degree $\le n$ that satisfies the following conditions?

Published on 12 May 2018 - 15:49

score 3.1k · Answer 14 · 2018-05-14 10:45:10

3.1k

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Is it possible to shorten the solution for this 2014 RMO question?

Published on 14 May 2018 - 10:45

score 522 · Answer 15 · 2026-03-25 10:56:50

522

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$x$ is an irrational number such that $x^2 - 2x$ and $x^3 -5x$ are rational.

Published on 25 Mar 2026 - 10:56

List Question

Proving an inequality for elementary symmetric polynomials

Addition and subtraction with "?" and "!"

British Maths Olympiad (BMO) 2004 Round 1 Question 1 alternative approaches?

knights and knaves... and a traveller

Solve the diophantine equation $(n+2)^p-n^q=2$

A very different, difficult geometry problem that need to be helped-

A functional equation problem: $ \frac { f \left( f ( y ) ^ 2 + x y \right) } { f ( y ) } = f ( x ) + y $

A geometry problem with the reflection of the incenter

Finding equal partial sum given two $N$-tuples of natural numbers

British Maths Olympiad (BMO) 2003 Round 1 Question 4 what is wrong with this approach, can it be fixed?

What is Stewart's Theorem?

A common tangent line

there exist a polynomial $p(x)\in\Bbb{Z}[x]$ of degree $\le n$ that satisfies the following conditions?

Is it possible to shorten the solution for this 2014 RMO question?

$x$ is an irrational number such that $x^2 - 2x$ and $x^3 -5x$ are rational.

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