Binomial Coefficient
Calculates the binomial coefficient (n choose k) for combinatorics.
C(n,k)
28
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Formula
C(n, k) = n! / (k! × (n − k)!)
Example: C(8, 2) = 28
Methodology
(n choose k) = C(n,k), count of k-element subsets.
Example
(8 choose 2) = 28.