Formula q_854 (Q661)

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Language	Label	Description	Also known as
English	Formula q_854	No description defined

Statements

arqmath formula id

q_854

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Defining formula

\forall n\in {\mathbb {N}}:{\big (}\sum _{i=1}^{n}a_{i}{\big )}{\big (}\sum _{i=1}^{n}{\frac {1}{a_{i}}}{\big )}\geq n^{2}

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