Formula q_851 (Q658): Difference between revisions

Latest revision as of 13:25, 20 April 2020

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Language	Label	Description	Also known as
English	Formula q_851	No description defined

q_851

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

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@@ Property / arqmath formula id @@
+q_851
@@ Property / arqmath formula id: q_851 / rank @@
+Normal rank
@@ Property / Defining formula @@
+ $\forall n\in {\mathbb {N}}:(\sum _{i=1}^{n}a_{i})(\sum _{i=1}^{n}{\frac {1}{a_{i}}})\geq n^{2}$ 
\forall n \in \Bbb{N} : (\sum_{i=1}^{n} a_{i} ) (\sum_{i=1}^{n} \frac{1}{a_{i}} ) \ge n^2
+Normal rank