Difference between revisions of "2019 OIM Problems/Problem 6"

(Created page with "== Problem == Let <math>a_1, a_2, \cdots , a_{2019}</math> be positive integers and <math>P</math> be a polynomial with integer coefficients such that, for every positive inte...")
 
 
Line 2: Line 2:
 
Let <math>a_1, a_2, \cdots , a_{2019}</math> be positive integers and <math>P</math> be a polynomial with integer coefficients such that, for every positive integer <math>n</math>,
 
Let <math>a_1, a_2, \cdots , a_{2019}</math> be positive integers and <math>P</math> be a polynomial with integer coefficients such that, for every positive integer <math>n</math>,
  
<cmath>P(n)|a_1^n+a_2^n+\cdots + a_{2019}^n</cmath>
+
<cmath>P(n)\;|\;a_1^n+a_2^n+\cdots + a_{2019}^n</cmath>
  
 
Prove that <math>P</math> is a constant polynomial.
 
Prove that <math>P</math> is a constant polynomial.

Latest revision as of 14:15, 14 December 2023

Problem

Let $a_1, a_2, \cdots , a_{2019}$ be positive integers and $P$ be a polynomial with integer coefficients such that, for every positive integer $n$,

\[P(n)\;|\;a_1^n+a_2^n+\cdots + a_{2019}^n\]

Prove that $P$ is a constant polynomial.

~translated into English by Tomas Diaz. ~orders@tomasdiaz.com

Solution

This problem needs a solution. If you have a solution for it, please help us out by adding it.

See also

OIM Problems and Solutions