Exercícios de fatorial

exercicios

1. EXERCÍCIOS
1) Calcule:

a) 4! + 3! b) !3
!0 c) )!3.2(
)!3(2 d) 5! + 0! e) !0
!4

2) Simplifique:

a) )!1(
)!2(


n
n b) !
)!2(
n
n c) )!1(
)!3(


n
n
d) )!22(2
)!2(
n
n e) )1()!3(
)!2()!2(


nn
nn

3) Calcule e simplifique:

a) 


)!1(
1
!
1
nn

b) 



)!1(
)1(
!n
n
n
n

c) 
 )!1()!1(
)!(
2
nn
n

4) Resolva as equações:

a) )!1(
!)!1(


n
nn Resp.: n = 7

b) 30
)!2(
!

n
n Resp.: n = 6

c) 5
7
)!1(2)!1(
)!1(2)!1(



nn
nn Resp.: n = 3

d) 72
1)1(
)!1(



n
n Resp.: n = 8

e) 25
6
!)!1(
)!1(!



mm
mm Resp.: n = 5

f) 29
31
)!2(3!
)!2(3!



nn
nn Resp.: n = 10