Question

Simplifique as frações
8!/4!2!

Answer 1

8/4/2-Divide o 8,4 e 2 por 2 
4/2/1 = 4/2
4/2 = 1/2
1/2 = 0,5

Answer 2

fatorial

$\frac{8!}{4!2!} = \frac{\not8^4.7.6.5.\not4!}{\not4!\not2!} =4.7.6.5=840$