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anonymous
 3 years ago
A universal set contains only sets A and B. If A∩B = Ø and A and B are not the empty set, then all of the following are true except
A and B are disjoint.
A is equal to B complement.
A∪B={}
A is not a subset of B.
anonymous
 3 years ago
A universal set contains only sets A and B. If A∩B = Ø and A and B are not the empty set, then all of the following are true except A and B are disjoint. A is equal to B complement. A∪B={} A is not a subset of B.

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anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0Think about it :) In English, A∩B = Ø Just means A and B have no elements in common :)

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0we may use venn diagrams to prove this or use the common way \[x \in A ...\]

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0Or, if you want a quicker way, neither A nor B is an empty set, so how can it be that A∪B={} or that there are no elements in A or in B?
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