Question

Urgenteeeee com cálculos pfv
Calcule ou simplifique
a)7!
b)6!/8!
c)5!3!/4!4!
d)(n-2)!/(n-3)!
e) (n+2)!/(n+3)!
f)8!/5!
g)4!
h)7!3!/5!2!

Answer 1

Olá, Boa Noite

A)7!=7.6.5.4.3.2.1=5040
B)6!/8!=6!/8.7.6!=8.7=56
C)5!.3!/4!.4!=
5.4!.3!/4!.4.3!=5/4 ou 1,25

D)(n-2)!/(n-3)!
(N-2)(n-3)!/(n-3)!= n-2

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

F)8!/5!=8.7.6.5!/5!=336

G)4!=4.3.2.1=24

H)7!.3!/5!.2!=
7.6.5!.3.2!/5!.2!= 84

Bons estudos!

Espero ter ajudado!!