MathDB
easy ineq

Source: IZO 1 Junior Problem 4

December 16, 2008
inequalitiesinequalities proposed

Problem Statement

For the positive real numbers a,b,c a,b,c prove the inequality \frac {c}{a \plus{} 2b} \plus{} \frac {a}{b \plus{} 2c} \plus{} \frac {b}{c \plus{} 2a}\ge1.