MathDB
inequality

Source: Ireland 1994

June 29, 2009
inequalitiesinequalities proposed

Problem Statement

Prove that for every integer n>1 n>1, n((n\plus{}1)^{\frac{2}{n}}\minus{}1)<\displaystyle\sum_{i\equal{}1}^{n}\frac{2i\plus{}1}{i^2}