1983 IMO Problems/Problem 6
Revision as of 16:32, 22 August 2017 by Neep (Created page with "==Problem 6== Let <math>a</math>, <math>b</math> and <math>c</math> be the lengths of the sides of a triangle. Prove that <math>a^2 b(a-b) + b^2 c(b-c) + c^2 (c-a) \geq 0</ma...")
Let , and be the lengths of the sides of a triangle. Prove that
Determine when equality occurs.