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Let u = R, a = {x | x ＞ 3}, B = {x | 5 ＜ x ＜ 8}, find a ∩ B, a ∪ B, Cub ∪, a ∩ cub, CUA ∪ cub
A∩B=B=｛x|5＜x＜8}
A∪B=A={x|x＞3｝
CuB∪A=R
A∩CuB={x|3
RELATED INFORMATIONS
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