← mixed practice v cards you don't know will reappear later
you should create an account to save your progress. it only takes a minute!
new card
list p = {a, b, c, c, c, c, d, d, d, d}
how many different permutations can we make of list p?
new card
for ten distinct elements, it would be 10! here, we have two sets of four identical elements. for each one, we need to divide by 4!, because all rearrangements of four identical elements result in identical permutations.
you have mastered 0 out of 38 cards
you are reviewing 0 out of 38 cards
you are learning 0 out of 38 cards
have feedback about this card? please email help@www.catharsisit.com