If A= { 5,6,7,8}, B= { 7,8,9} and C= {123}, find (AUB)⋂C
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Answer:
(A∪B)∩C = Φ (fi) means empty
Step-by-step explanation:
A= { 5,6,7,8}, B= { 7,8,9}
A ∪ B = {5, 6, 7, 8} ∪ {7, 8, 9}
= {5, 6, 7, 8, 9}
(A∪B)∩C = {5, 6, 7, 8, 9} ∩ {1, 2, 3}
= φ (fi)
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