Question
If A and B are any two sets, then A∪(A∩B) = ___.
Answer: Option A
:
A
If A and B are any two sets, then A∩B⊆A.
Also, A⊆A∪(A∩B)
⇒A⊆A∪(A∩B)⊆A
⇒A∪(A∩B)=A
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:
A
If A and B are any two sets, then A∩B⊆A.
Also, A⊆A∪(A∩B)
⇒A⊆A∪(A∩B)⊆A
⇒A∪(A∩B)=A
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