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Which of the following is true? (1) (A ∪ B) = B ∪ A (2) (A ∪ B)’ = A’ – B’ (3) (A ∩ B)’ = A’ ∩ B’ (4) A – (B ∩ C) = (A – B) ∩ (A – C)

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Which of the following is true? 

(1) (A ∪ B) = B ∪ A 

(2) (A ∪ B)’ = A’ – B’

(3) (A ∩ B)’ = A’ ∩ B’ 

(4) A – (B ∩ C) = (A – B) ∩ (A – C)

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1 Answer

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by (47.6k points)

(1) (A ∪ B) = B ∪ A

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