2 votes 2 votes If $A$ and $B$ are two sets and $A \cup B = A \cap B$ then $A=\phi$ $B=\phi$ $A\neq B$ $A=B$ Set Theory & Algebra nielit2017july-scientistb-it discrete-mathematics set-theory&algebra set-theory + – admin asked Mar 30, 2020 • retagged Oct 23, 2020 by Krithiga2101 admin 424 views answer comment Share Follow See 1 comment See all 1 1 comment reply Deepak Poonia commented Apr 11 reply Follow Share Detailed Video Solution: https://youtu.be/yjXiyiVP-bc $A \cup B = A \cap B$ Iff $A=B.$ 0 votes 0 votes Please log in or register to add a comment.
0 votes 0 votes If AUB= A intersection B, then A has to have all elements as b viceversa Bernie Sanders answered Dec 31, 2020 Bernie Sanders comment Share Follow See all 0 reply Please log in or register to add a comment.