V
a
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.
u
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k
=
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b
1
+
P
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b
2
+
.
.
.
+
P
n
b
n
n
=
n
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1
P
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b
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V
a
c
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u
s
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r
k
N
O
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j
=
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N
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(
1
−
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E
R
)
V
i
n
.
u
s
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k
=
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u
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b
k
i
P
r
(
C
A
P
)
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1
V
u
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r
k
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S
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F
F
3
∑
V
u
s
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r
k
∆
S
O
F
F
3
V
u
s
e
r
=
V
u
s
e
r
Y
+
V
u
s
e
r
F
+
V
u
s
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r
I
V
u
s
e
r
=
V
a
c
.
u
s
e
r
Y
×
b
Y
+
V
a
c
.
u
s
e
r
F
×
b
F
+
V
a
c
.
u
s
e
r
I
×
b
I
∆
S
O
F
F
3
=
S
C
H
+
S
O
F
F
+
S
G
O
F
F
S
C
H
=
S
d
e
a
l
_
1
+
S
d
e
a
l
_
2
+
.
.
.
+
S
d
e
a
l
_
n
=
n
∑
i
=
1
S
d
e
a
l
_
i
S
O
F
F
=
N
O
I
O
F
F
j
K
C
A
P
S
G
O
F
F
=
N
O
I
G
O
F
F
j
K
C
A
P