Question

What is the formula for permutation???​

Answer 1

Answer:

Answer:

Now for combinations, it is the number of ways you can pick r objects out of n. In permutations, it is the number of ways you can pick r objects out of n and then arrange them. NPR = selecting r from n and then arranging the r. Therefore, NPR= NCR*r!

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Answer 2

Answer:

permutation of a set is, loosely speaking, an arrangement of its members into a sequence or linear order, or if the set is already ordered, a rearrangement of its elements. The word "permutation" also refers to the act or process of changing the linear order of an ordered set.