Formula q_661 (Q492)

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Language	Label	Description	Also known as
English	Formula q_661	No description defined

Statements

arqmath formula id

q_661

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Defining formula

{\binom {n}{0}}^{2}+{\binom {n}{1}}^{2}+...+{\binom {n}{n}}^{2}={\binom {2n}{n}}

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