+130491 Difference between combinations and permutations
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Combinations count sets of things
Permutations count arrangements within sets
For instance, in combinations, the set {1,2} is the same as set {2,1}. The set is counted once.
However, permutations view the two sets as completely different things. Thus, in permutations, {1,2} ≠ {2,1}.
+130491 Difference between combinations and permutations
-----------------------------------------------------------------------------------------------------------------
Combinations count sets of things
Permutations count arrangements within sets
For instance, in combinations, the set {1,2} is the same as set {2,1}. The set is counted once.
However, permutations view the two sets as completely different things. Thus, in permutations, {1,2} ≠ {2,1}.
