Question

8) Simplifique as expressões​
(N+1)! N!
(N-1)! (N+2)!

Answer 1

Resposta:

n²+n

Explicação passo-a-passo:

(n+1)! n(n-1)(n+1)(n+2)!\

(n-1)!(n+2)!

(n+1)! n(n-1)(n+1)\

(n-1)!

(n+1)! n²-n(n+1)\

(n-1)(n+1)!

n²-n(n+1)\(n-1)

n(n-1)(n+1)\(n-1)

n(n+1)

n²+n