Question

Calcule o fatorial de ( n + 3)!( n + 1 )! ?

Answer 1

Explicação passo-a-passo:

(n + 3)! / (n + 1)! =

(n + 3) × (n + 2) × (n + 1)! / (n + 1)! =

(n + 3) × (n + 2) =

n² + 2n + 3n + 6 = n² + 5n + 6