Question

(n+1)!+n!

_______

 

    n!

Answer 1

(n+1)!+n! = (n+1).n!+n!=n!(n+1+1)

 

(n+1)!+n!     n!(n+2)

_______ =_______= n+2

       n!                n!

Answer 2

Olá, Thaina.

 

$<var>\frac{(n+1)!+n!}{n!}=\frac{(n+1)n!+n!}{n!}=\frac{n![(n+1)+1]}{n!}=n+2</var>$