Question

simplifique (n+2)!+(n+1)!/(n+1)!

Answer 1

$\frac{(n+2)! + (n+1)!}{(n+1)!} = \frac{(n+2)(n+1)!+(n+1)!}{(n+1)!}$

$\frac{(n+1)![n+2 + 1]}{(n+1)!} = n+2+1 = \boxed{n+3}$

Espero ter ajudado. :))

Answer 2

$\boxed{\frac{(n+2)!+(n+1)!}{(n+1)!}= \frac{(n+2)(n+1)!+(n+1)!}{(n+1)!}=n+2+1=n+3}$