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
