Question

Simplifique as expressões.
A) N!/(n‐1)!
B) (2n+2)!/(2n+1)!
C) (n+2)!/(n‐1)!

Answer 1

Explicação passo-a-passo:

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

b) (2n +2).(2n+1)!/(2n+1)!= 2n +2

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