Question

simplifique as fraçoes
A)15!*9!/14!*10!

B)(n+2)!/(n+3)!

Answer 1

Vamos là.

por parte

A)

15!/14! = 15

9!/10! = 1/10

15/10 = 3/2

B)

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

(n + 2)!/((n + 3)*(n + 2)!) =

1/(n + 3)