Question

simplifique o fatorial: (n+3)! / (n-2)! × (n-1)! / (n+2)!​

Answer 1

Resposta:

Explicação passo-a-passo:

(n+3)! / (n-2)! × (n-1)! / (n+2)!​

(n+3)(n+2)! / (n-2)(n-3)! × (n-1)! / (n+2)!​

(n+3)/ (n-2)! × (n-1)(n-2)! /1

(n+3)(n-1)

n²-n+3n-3

n²+2n-3