Question

4) Simplifique a expressão: $\frac{(n+2)!+(n+1)!}{(n+1)! }$

Alternativas:

a) $\frac{1}{n+1}$

b) $\frac{n+1}{n}$

c) $n+1$

d) $n+2$

Answer 1

(n+2)! + (n+1)! / (n+1)!

(n+2)!/(n+1)! + (n+1)!/(n+1)!

(n+2)(n+1)!/(n+1)! + 1

n+2 + 1

n + 3 ✓