Question

Simplifique:
n!/(n-1)!

Answer 1

A resposta e essa n! / (n-1)= [n(n - 1)(n -2)!] / (n - 1) = n(n -2)!

Answer 2

$n! / (n - 1)! = n*(n - 1)! / (n - 1)! = n$