Question

Calcule o valor de: A12,2 =
A15,3=

Answer 1

$A) A12,2 = \frac{12!}{(12-2)!} = \frac{12!}{10!} = 12.11 = 132$

$B)A15,3 = \frac{15!}{(15-3)!} = \frac{15!}{12!} = 15.14.13 = 2.730$