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Byju's Answer
Standard XII
Mathematics
Union
If A and B ar...
Question
If A and B are two disjoint sets and N is the universal set then
A
c
∪
[
(
A
∪
B
)
∩
B
c
]
is
A
ϕ
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B
A
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C
B
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D
N
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Solution
The correct option is
D
N
Since
A
and
B
are disjoint sets
B
c
∩
(
A
∪
B
)
will be only
A
as there is no intersection between
A
and
B
.
Of course
A
c
∪
A
=
N
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If A and B are two disjoint sets and N is universal set, then
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∘
∪
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A
∪
B
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∩
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