MathDB
Tuymaada 1999, Q4

Source: Tuymaada 1999, Q4

July 31, 2012
inequalitiesinequalities unsolved

Problem Statement

Prove the inequality xy2z+yz2x+zx2y>1, {x\over y^2-z}+{y\over z^2-x}+{z\over x^2-y} > 1, where 2<x,y,z<4.2 < x, y, z < 4.
Proposed by A. Golovanov