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Question
Find A ∪ B, A ∩ B, A – B and B – A for the following sets
A = {a, b, c, e, u} and B = {a, e, i, o, u}
Solution
A = {a, b, c, e, u} and B = {a, e, i, o, u}
A ∪ B = {a, b, c, e, u) ∪ {a, e, i, o, u)
= {a, b, c, e, i, o, u}
A ∩ B = {a, b, c, e, u} ∩ {a, e, i, o, u}
= {a, e, u}
A – B = {a, b, c, e, u) – {a, e, i, o, u)
= {b, c}
B – A = {a, e, i, o, u} – {a, b, c, e, u}
= {i, o}
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