Question

Simplifique a expressão: (n+2)!+(n+1)!/(n+1)!​

Answer 1

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

---------------------- =

(n+1)!

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

--------- + ------------ =

(n+1)! (n+1)!

(n+2)!

--------- + 1

(n+1)!

(n+2).(n+1)!

------------------- + 1

(n+1)!

(n+2) + 1 = n+3 ✓