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Mathematics
Mathematics
Problem
1. a Suppose
U
=
{
2
,
3
,
4
,
5
,
6
,
7
,
8
}
U = \{2, 3, 4, 5, 6, 7, 8\}
U
=
{
2
,
3
,
4
,
5
,
6
,
7
,
8
}
,
A
=
{
3
,
5
,
7
}
A = \{3, 5, 7\}
A
=
{
3
,
5
,
7
}
, and
B
=
{
2
,
4
,
7
,
8
}
B = \{2, 4, 7, 8\}
B
=
{
2
,
4
,
7
,
8
}
. Find: i
n
(
U
)
n(U)
n
(
U
)
ii
n
(
A
)
n(A)
n
(
A
)
iii
n
(
A
′
)
n(A')
n
(
A
′
)
iv
n
(
B
)
n(B)
n
(
B
)
v
n
(
B
′
)
n(B')
n
(
B
′
)
. 2. b Copy and complete: For any set
S
S
S
within a universal set
U
U
U
,
n
(
S
)
+
n
(
S
′
)
=
…
n(S) + n(S') = \dots
n
(
S
)
+
n
(
S
′
)
=
…
.
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