P(n,3)+P(n,n-2)=4n find n in permitation
Answers
Answered by
0
Answer:
If the order doesn't matter then we have a combination, if the order does matter then we have a permutation. One could say that a permutation is an ordered combination. The number of permutations of n objects taken r at a time is determined by the following formula: P(n,r)=n!
Answered by
0
Hope it will help you .. try it now
Attachments:
Similar questions