MathDB
{a, b,c,a^2/b, b^2/c, c^2/a} - All-Russian MO 2004 Regional (R4) 8.5

Source:

September 27, 2024
number theory

Problem Statement

Can a set of six numbers {a,b,c,a2b,b2c,c2a}\left\{a, b,c, \frac{a^2}{b} , \frac{b^2}{c} , \frac{c^2}{a} \right\} , where a,b,ca, b, c positive numbers, turn out to be exactly exactly three different numbers?