Combinations
Permutations and combinations · Mathematics
Study notes
Q: (a) Choose 3 students from 10 for a team. (b) A pizza shop offers 8 toppings; choose 3. (a) C(10,3) = 10!/(3!7!) = (10x9x8)/6 = 120. (b) C(8,3) = (8x7x6)/6 = 56.
notesonly.in
One notebook for every subject — open it anywhere.
Permutations and combinations · Mathematics
Q: (a) Choose 3 students from 10 for a team. (b) A pizza shop offers 8 toppings; choose 3. (a) C(10,3) = 10!/(3!7!) = (10x9x8)/6 = 120. (b) C(8,3) = (8x7x6)/6 = 56.