Question

Evaluate C(5, 2).

10
20
60
i tried 60,but i got that one wrong, as well as all the problems like it, so i need help

Answer 1

C(5, 2)= 5!/(5-2)!2!
if need more help, say

Answer 2

wait, so is it 5!/5!-2!

Answer 3

@willow

Answer 4

C(5, 2)= 5!/(5-2)!2!=5!/3!2!=5*4/2=10

Answer 5

okay, i see.. , i've been trying to understand this for about half an hour so Thank YOUU!

Answer 6

you wellcome