Question

simplifique as operações fatoriais:
a) (n+2)!/(n+1)!
b) (n-3)!/(n-2)!
c) (n+1)!+n!/n!
d) n!-(n-1)!/(n-1)!+(n-2)!

Answer 1

Resolução :

a)



b)



c)





d)