Question

(n+2)!/(n+1)! como se faz?

Answer 1

$\displaystyle \\ \mathsf{\frac{(n + 2)!}{(n + 1)!} =} \\\\\\ \mathsf{\frac{(n + 2) \cdot (n + 1)!}{(n + 1)!} =} \\\\\\ \boxed{\mathsf{n + 2}}$