Got Homework?
Connect with other students for help. It's a free community.
Here's the question you clicked on:
 0 viewing
Baddog120
Group Title
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.
 one year ago
 one year ago
Baddog120 Group Title
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.
 one year ago
 one year ago

This Question is Closed

PeterPan Group TitleBest ResponseYou've already chosen the best response.0
Think about it :) In English, A∩B = Ø Just means A and B have no elements in common :)
 one year ago

mathsmind Group TitleBest ResponseYou've already chosen the best response.0
we may use venn diagrams to prove this or use the common way \[x \in A ...\]
 one year ago

PeterPan Group TitleBest ResponseYou've already chosen the best response.0
Or, 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?
 one year ago
See more questions >>>
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.