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Byju's Answer
Standard XI
Mathematics
Universal Set
For any two s...
Question
For any two sets A and B,
A
∩
A
∪
B
=
(a) A
(b) B
(c) ϕ
(d) none of these.
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Solution
(a) A
A
∩
(
A
∪
B
)
=
(
A
∩
A
)
∪
(
A
∩
B
)
=
A
∪
(
A
∩
B
)
=
A
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