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1. |
For any two sets, prove that: A ∪ (A ∩ B) = A |
Answer» A ∪ (A ∩ B) [∵ union is distributive over intersection] (A ∪ A) ∩ (A ∪ B)[∵ A ∪ A = A] = A ∩ (A ∪ B) = A. |
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