MathDB
Well known triangle ineq

Source: Indian RMO 1999 Problem 5

October 26, 2005
inequalities

Problem Statement

If a,b,ca,b,c are sides of a triangle, prove that ac+ab+ba+bc+cb+ca3. \frac{a}{c+a-b} + \frac{b}{a+b-c} + \frac{c}{b+c-a} \geq 3.