Question

simplifique (n+1)! n!/ n! (n-1)!​

Answer 1

Resposta:

$\boxed{n^2+n}$

Explicação passo-a-passo:

$\frac{(n+1){!} n{!}}{ n{!}(n-1){!}}=\frac{(n+1){!}}{(n-1){!}}=\frac{(n+1)*n(n-1){!}}{(n-1){!}}*(n+1)*n=\boxed{n^2+n}$