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Byju's Answer
Standard VIII
Mathematics
Union of Sets
iii A ∪B ∪ C=...
Question
(iii) A ∪ (B ∪ C) = (A ∪ B) ∪ (A ∩ C)
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Solution
Given: A = {1,2,3,4}, B = {2,4,6,8}, C = {3,4,5,6} and U =
x
|
x
∈
N
,
x
∈
N
,
x
<
10
We have to verify the following property:
A
∩
B
∪
C
=
A
∩
B
∪
A
∩
C
LHS
:
A
∩
B
∪
C
Here
,
B
∪
C
=
{
2
,
3
,
4
,
5
,
6
,
8
}
Then
A
∩
B
∪
C
=
{
2
,
3
,
4
}
RHS
:
A
∩
B
∪
A
∩
C
Here
,
A
∩
B
=
{
2
,
4
}
and
A
∩
C
=
{
3
,
4
}
Then
A
∩
B
∪
A
∩
C
=
{
2
,
3
,
4
}
∴
LHS
=
RHS
Hence
,
A
∩
B
∪
C
=
A
∩
B
∪
A
∩
C
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