MathDB
an easy cyclic inequality

Source: India tst 2002 p20

June 30, 2012
inequalitiesinequalities proposed

Problem Statement

Let a,b,ca,b,c be positive real numbers. Prove that ab+bc+cac+ac+b+a+ba+c+b+cb+a\frac{a}b+\frac{b}c+\frac{c}a \geq \frac{c+a}{c+b}+\frac{a+b}{a+c}+\frac{b+c}{b+a}