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Question
Let U = {0, 1, 2, 3, 4, 5, 6, 7}, A = {1, 3, 5, 7} and B = {0, 2, 3, 5, 7}, find the following set
(A ∪ B)’
Solution
A ∪ B = {1, 3, 5, 7} ∪ {0, 2, 3, 5, 7}
= {0, 1, 2, 3, 5, 7}
(A ∪ B)’ = U – (A ∪ B)
= {0, 1, 2, 3, 4, 5, 6, 7} – {0, 1, 2, 3, 5, 7}
= {4, 6}
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