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 (a) Simplify \[\dfrac{\dbinom{n}{k}}{\dbinom{n}{k - 1}}.\]

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(a) Simplify \[\dfrac{\dbinom{n}{k}}{\dbinom{n}{k - 1}}.\]

 Aug 12, 2021

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 #1
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Have you tried it?

 

Here is the fromula

 

 Aug 13, 2021

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