Question

difference between permutation and combination in long

Answer 1

Here is your answer buddy,

The number of possible combination of r objects from a set on n objects.Formula : ... Hence , Permutation isused for lists (order matters) andCombination for groups (order doesn't matter) . Famous joke for thedifference is : A “combination lock” should really be called a “permutationlock”.

Permutations are for lists (order matters) and combinations are for groups (order doesn't matter). A joke: A "combination lock" should really be called a "permutation lock". The order you put the numbers in matters.

Hope this helps you.
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