Ask Question
11 August, 07:17

What value is a permutation of n things taken r at a time divided by to get the combination of n things taken r at a time?

+2
Answers (1)
  1. 11 August, 07:24
    0
    NPr = n! / (n-r) !

    nCr = n! / r! (n-r) !

    nPr / nCr = n! (n-r) ! * r! (n-r) ! / n! = r!

    The answer is r factorial (r!)
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “What value is a permutation of n things taken r at a time divided by to get the combination of n things taken r at a time? ...” in 📗 Mathematics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers