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WORKBOOK

Example 38: A and B are subsets of universal set U. Simplify

a) (A ∩B’) ∪ (A ∩ B)

b) (A ∪A) ∩ (A∩U)

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c) Write (A  B)  (A  B ).

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Example 39: A and B are subsets of universal set U. Simplify  A(  )B  B(  A  )

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Example 40: Write (A – B)  (A – B ) in simplest form.

Example 41: A and B are subsets of universal set U.
Simplify  A    AB /  [   (A  B )]
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32 091math-wb-w3-(sets)