Question

Combinação simples! Calcule o valor de : C6,4

Answer 1

C6,4 = 6!/4!(6 - 4)!
C6,4 = (6 . 5 . 4!)/4! 2!
C6,4 = (6 . 5)/2
C6,4 = 30/2
C6,4 = 15

Answer 2

C(n;p) = n!/p!(n - p)!

C(6;4) = 6!/4!(6 - 4)!

C(6;4) = 6.5.4!/4!.2!

C(6;4) = 6.5/2!

C(6;4) = 30/2

C(6;4) = 15