1. If A = {1,2,3,4,5,}, B = {4,5,6,7,8} ,C = {7,8,9,10,11}, find
(i)AUB (ii) BU C (iii) (AU B)UC (iv) (AU B)∩ C
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AUB= (1,2,3,4,5,6,7,8)
BUC=(4,5,6,7,8,9,10,11)
(AUB) UC=(1,2,3,4,5,6,7,8,9,10,11)
(AUB) intersection C
BUC=(4,5,6,7,8,9,10,11)
(AUB) UC=(1,2,3,4,5,6,7,8,9,10,11)
(AUB) intersection C
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