can someone help?

 If 3∈A and 3B, then which of the following statements is not true?

A: 3 is an element of B complement.
B: 3 is an element of A∪B.
C: 3 is an element of A∩B.



4 years ago Comment

[latex]3\in A\ \wedge\ 3\notin B\ then:\\\\A\ is\ true\\\\B\ is\ true\\\\B\ is\ not\ true\ because\ if\ 3\in A\ \wedge\ 3\notin B\ then\ 3\in A\ \wedge\ 3\in B[/latex]