What are the most common mistakes students make in Permutations & Combinations?
if rearranging the same items doesn't create a new outcome, use combinations, not permutations.
Top mistakes to avoid in Permutations & Combinations: • if rearranging the same items doesn't create a new outcome, use combinations, not permutations. • using permutations when order doesn't matter. • using combinations when order actually matters. • adding when you should multiply independent choices.
Common mistake
if rearranging the same items doesn't create a new outcome, use combinations, not permutations.
Tap to watch or see it right here — the app stays open (it only opens a quick search if nothing embeddable is found).