InterviewSolution
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If A ∩ B = then: (A) A – B = Φ (B) A – B = A (C) A ∪ B = Φ (D) A – B = B |
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Answer» Answer is (B) A ∩ B = Φ Φ, is common in A and B both. So, other elements of A is not present in B. Thus A – B = A |
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