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how to calculate ncr formula. Times n-r C n r r. C nr n.
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N r are non-negative integers. N is the size of the set from which elements are permuted. N-r1 r r-1.
Combinations are calculated using the formula.
Formula How are combinations calculated. You should have to give inputs nr. A binomial coefficient C n k also gives the number of ways disregarding order that k objects can be chosen from among n objects. Notations in nCr Formula.
