Question

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.

Answer 1

first, do you understand those symbols?

Answer 2

The third one !
\[A\cup B=\Omega\]
Where
\[\Omega\]
is the universal set

Answer 3

yes nincompoop

Answer 4

is {} a null set?

Answer 5

The symbol
\[\{\}\]
denotes the empty set which can be denoted by
\[\emptyset\]
also !