A and B are two sets (A - B) U (B - A) U (A n B) =
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Answer: =(A∪B ′ )∩(A ′ ∩B)
=(A∪B ′ )∩(A∪B ′ ) ′
(by De Morgan's Law) =X∩X ′
where X=A∪B ′
=ϕ
Explanation:
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