Question

simplificar e calcular 9!/(9+3)!

Answer 1

$\frac{9!}{(9+3)!}$

$\frac{9!}{12!}$

$\frac{9!}{12.11.10.9!}$

Cortando 9! com 9!

$\frac{1}{12.11.10}$

$\frac{1}{1320}$

Answer 2

9!/(9+3)! = 9!/12! = 9!/(12*11*10*9!) --> 9! simplifica com 9! --->

 1/(12*11*10) = 1/1320