Question

Help!!!
1) calcule o valor ou simplifique (n+3)! / (n+1)! + (n+2)!

Answer 1

Resposta:

$\text{Leia abaixo}$

Explicação passo-a-passo:

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

$\dfrac{(n+3) \times (n+ 2) \times (n+1) \times n!}{(n + 1) \times n! + (n + 2) \times (n+1) \times n!}$

$\dfrac{(n+3) \times (n+ 2)}{1 + (n + 2)}$

$\dfrac{(n+3) \times (n+ 2)}{(n + 3)}$

$\boxed{\boxed{n + 2 }}$