Question

Simplifique (n-1)!+n!/(n+1)!

Answer 1

Resposta:

$\frac{(n+1).(n-1)!+1}{n+1}$

Explicação passo-a-passo:

$(n-1)!+\frac{n!}{(n+1)!} \\(n-1)!+\frac{n!}{(n+1).n!} \\(n-1)!+\frac{1}{n+1} \\\frac{(n+1).(n-1)!+1}{n+1}$

Espero ter ajudado!!