Question

simplifiqque:(n+1)!3!/(n+2)!6!

Answer 1

ANÁLISE COMBINATÓRIA

Fatorial


$\frac{(n+1)!3!}{(n+2)!6!}$

$\frac{(n+1)*(n+2)!3!}{(n+2)!6!}= \frac{(n+1)!*3!}{6!}= \frac{(3n+3)}{6}= \frac{n+1}{2}$




Resposta: $\frac{n+1}{2}$