alleryStart learning →In C(n,k), what does the divisor k! account for?
AChoosing the first element
BRepeated elements in the set
COrderings of the chosen items
DElements left unchosen
Answer & Solution
Correct answer: C. Orderings of the chosen items
The k! divides out the k-permutations that give the same k-combination once order is ignored.
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