Question

Simplifique:

(n+5)! / (n+3)!

Answer 1

Oi Lilian.

$\frac { (n+5)! }{ (n+3)! } \\ \\ \frac { (n+5)(n+4)(n+3)! }{ (n+3)! } \\ \\ (n+5)(n+4)\\ \\ n^{ 2 }+9n+20$