Question

If A and B are sets and A ∪ B = A ∩ B then which of the following is(are) true?
1. Either one of A or B is empty set.
2. B is proper subset of A.
3. A = B.
4. A is proper subset of B.
Which is the correct option

Answer 1

Answer:

very much and I hope you have a great day

Answer 2

Answer:

4 us the write answer

Step-by-step explanation:

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