find2

Find the number of combination of n flowers of which p are identical taken r at a time.Does the answer depend on cases(i)r>p

(ii)r<=p

1 Answers

k={0 to min(r,p)}Î£ ^(n-p)C_(r-k)

summation is over k..

So in some way i have put both these in one single solution..

but yeah u are right they will have 2 different forms :)

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