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For any two sets A and B, A⋂(A⋂B) = A. A B. B C. φ D. none of these |
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Answer» Here correct answer is D. none of this as A⋂(A⋂B) = (A⋂A)⋂B) = A⋂B Or we have to give one condition that A⊂B then correct answer is A because A⋂(A⋂B) = (A⋂A)⋂B) = A⋂B = A (∵ A⊂B⇒A⋂B = A) |
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