Formula q_468 (Q324): Difference between revisions

Latest revision as of 13:06, 20 April 2020

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English	Formula q_468	No description defined

q_468

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\displaystyle \sum _{r=0}^{n}{n+r \choose r}{\frac {1}{2^{r}}}=2^{n}

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Revision as of 13:06, 20 April 2020 SchuBot (talk \| contribs) SchuBot, Bots, Bureaucrats, flow-bot, Suppressors, Administrators 4,665 edits ‎Created claim: arqmath formula id (P8): q_468 ← Older edit	Latest revision as of 13:06, 20 April 2020 SchuBot (talk \| contribs) SchuBot, Bots, Bureaucrats, flow-bot, Suppressors, Administrators 4,665 edits ‎Created claim: Defining formula (P1): \displaystyle \sum_{r=0}^n {n+r\choose r} \frac{1}{2^{r}}= 2^{n}
	Property / Defining formula
		$\displaystyle \sum _{r=0}^{n}{n+r \choose r}{\frac {1}{2^{r}}}=2^{n}$ `\displaystyle \sum_{r=0}^n {n+r\choose r} \frac{1}{2^{r}}= 2^{n}`
	Property / Defining formula: $\displaystyle \sum _{r=0}^{n}{n+r \choose r}{\frac {1}{2^{r}}}=2^{n}$ / rank
		Normal rank