Permutation of circular arrangements Permutations and combination
>> YOUR LINK HERE: ___ http://youtube.com/watch?v=DN60PXiK33k
Permutation formula help us calculate the number of ways in which n objects can be arranged in a linear fashion. • The formula is different for circular arrangements. • When things are arranged in a circle and arrangement achieved by rotation are considered same, then the permutation is calculated as (n-1)! in place of n! for n number of 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