Can someone explain to me the key difference as to why the Combination and permutation formulas are different by n!
Combination=
C(n,r)=n!/(n-r)!
Permutation=
P(n,r)=n!/n!(n-r)!
Any help would be very beneficial for me.
Thanks and Regards
Andy Charles
Combination and permutation??
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Re: Combination and permutation??
If you have searched the forum, you would have found the following articles.
What is Permutations & Combinations?
Another topic on this subject. Need help on Permutations.
What is Permutations & Combinations?
Another topic on this subject. Need help on Permutations.