Question

Simplifique as expressões:


n! / (n+1)!


n! / (n-2)!

Answer 1

Explicação passo-a-passo:

1) n.(n+1)!/(n+1)! = n

2) n!/(n-2)! = n!/(n-2).(n-1).n! = 1/(n-2).(n-1)