Math, asked by aryansingh28107, 8 months ago

What is the formula for nPr(permutation and combination)

Answers

Answered by shonapalak11

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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