Question

simplifique Cn, 3/Cn-1, 2

Answer 1

simplifique C(n, 3)/C(n-1, 2)

Explicação passo-a-passo:

C(n,3) = n!/(n - 3)!3!

C(n-1,2) = (n - 1)!/(n - 3)!2!

C(n, 3)/C(n-1, 2) = n/3