Combinations: Difference between revisions

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[[Category:Local variations]]
[[Category:Local variations]]
[[Category:Needs filling in]]
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The letter \(C\) is sometimes used to represent the binomial coefficient.


Is it \(_nC_r\) or \(^nC_r\)?<ref>[https://twitter.com/christianp/status/335024096947617793 Tweet by Christian Lawson-Perfect]</ref>
Is it \(_nC_r\) or \(^nC_r\)?<ref>[https://twitter.com/christianp/status/335024096947617793 Tweet by Christian Lawson-Perfect]</ref>


More commonly used is the binomial coefficient notation \binom{n}{r}.
{{Please add|examples of each notation. Calculators normally have one.}}

Latest revision as of 14:33, 14 July 2021


The letter \(C\) is sometimes used to represent the binomial coefficient.

Is it \(_nC_r\) or \(^nC_r\)?[1]

Please add examples of each notation. Calculators normally have one.