MathDB
0351 inequalities 3rd edition Round 5 p1

Source:

May 9, 2021
inequalities3rd edition

Problem Statement

Let a,b,ca, b, c be positive reals. Prove that abc(a+b+c)+(a+b+c)243abc(a+b+c).\sqrt{abc}(\sqrt{a} +\sqrt{b} +\sqrt{c}) + (a + b + c)^2 \ge 4 \sqrt{3abc(a + b + c)}.