MathDB
Romania District Olympiad 2001 - VIII Grade

Source:

March 12, 2011
number theory proposednumber theory

Problem Statement

a) Find all the integers mm and nn such that
9m2+3n=n2+89m^2+3n=n^2+8
b) Let a,bNa,b\in \mathbb{N}^* . If x=aa+b+(a+b)ax=a^{a+b}+(a+b)^a and y=aa+(a+b)a+by=a^a+(a+b)^{a+b} which one is bigger?
Florin Nicoara, Valer Pop