Math, asked by kushboosinha2671, 1 year ago

At least one repetition permutations and combinations formula

Answers

Answered by HindolBhakta1
0
dont know sorry...............
Answered by Deepsbhargav
0
Combination = nCr = nPr/n!

When not related to Permutation,

Combination= nCr = n!/(n−r)!r!

Here,
n, r are non negative integers
r is the size of each permutation.
n is the size of the set from which elements are permuted.
! is the factorial operator.
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