What is A intersection (A U B)? Where A={1,2,3,4,5} B={4,5,6,7,8} C={7,8,9,10,11}.

What is A intersection (A U B)? Where A={1,2,3,4,5} B={4,5,6,7,8} C={7

1.	What is A intersection (A U B)? Where A={1,2,3,4,5} B={4,5,6,7,8} C={7,8,9,10,11}.
Answer» The only ans is (4,5) (A U B)={4,5} 1,2,3,4,5,6,7,8 4,5 (1,2,3,4,5) A={1,2,3,4,5}