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Decrementing the power

Source: Indonesian Mathematics Olympiad 2011, Day 2, Problem 7

September 14, 2011
inequalities proposedinequalities

Problem Statement

Let a,b,cR+a,b,c \in \mathbb{R}^+ and abc=1abc = 1 such that a2011+b2011+c2011<1a2011+1b2011+1c2011a^{2011} + b^{2011} + c^{2011} < \dfrac{1}{a^{2011}} + \dfrac{1}{b^{2011}} + \dfrac{1}{c^{2011}}. Prove that a+b+c<1a+1b+1ca + b + c < \dfrac{1}{a} + \dfrac{1}{b} + \dfrac{1}{c}.