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Ireland Contests
Ireland National Math Olympiad
1994 Irish Math Olympiad
3
inequality
inequality
Source: Ireland 1994
June 29, 2009
inequalities
inequalities proposed
Problem Statement
Prove that for every integer
n
>
1
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}
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