Question

if nCr=nPr/k then k is​

Answer 1

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$ncr = \frac{npr}{k} \\ \\ \implies ncrk = npr \\ \\ \implies k = \frac{ \cancel{n }p \cancel{r}}{ \cancel{n}c \cancel{r}} \: \: \: \: \: \: \\ \\ \implies \boxed{k = \frac{p}{c} } \: \: \: \: \: \: \: \:$

Answer 2

Answer:

ncr=npr/k

ncrk=npr

k=npr/ncr

k=p/c

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