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For sets A and B, (AB)AB equals

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By Expert Faculty of Sri Chaitanya
a
A'
b
B'
c
A
d
None of these
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detailed solution

Correct option is A

(A∪B)′∪A′∩B=A′∩B′∪A′∩B=A′∪A′∩A′∪B∩B′∪A′∩B′∪B=A′∩A′∪B∩B′∩U=A′∩A′∪ϕ∩U=A′∩A′∩U=A′∩U=A′


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