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ncr formula in maths. A set a 4 numbers 1 2 3 and 4 with combinations of 2 would have 6 different combinations. An apple and a pear.
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N the set size. So answer to all these questions is here. Np C r np C r1 np C r2 np C rp if r p.
In Maths nPr and nCr are the probability functions that represent permutations and combinations.
In Maths nPr and nCr are the probability functions that represent permutations and combinations. An apple and a pear. It is the number of items chosen from the sample. In mathematics nPr is the permutation of arrangement of r objects from a set of n objects into an order or sequence.
