48) For any two sets A and B, if A U B = A ∩ B, then A) A = empty set B) A = B C) A ⊂ B D) A ⊃ B

48) For any two sets A and B, if A U B = A ∩ B, then A) A = empty set B) A = B C) A ⊂ B D) A ⊃ B

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