Step-by-step explanation:
(i)BUC={3,4,5,6,7,8}
AU(BUC)={1,2,3,4,5,6,7,8}
AUB={1,2,3,4,6}
(AUB)UC={1,2,3,4,5,6,7,8}
hence proved
(ii) B intersection C={6}
A intersection (B intersection C)= null set
A intersection B={3,4}
(A intersection B)intersection C= null set
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Answers & Comments
Step-by-step explanation:
(i)BUC={3,4,5,6,7,8}
AU(BUC)={1,2,3,4,5,6,7,8}
AUB={1,2,3,4,6}
(AUB)UC={1,2,3,4,5,6,7,8}
hence proved
(ii) B intersection C={6}
A intersection (B intersection C)= null set
A intersection B={3,4}
(A intersection B)intersection C= null set