what does this symbol mean??? I came across a math problem that had this question....I don't remember the exact problem but it was something like this.....I don't know what this means.
A(1,3,5,7,9) B(1,3,9,12) AUB=
can you tell me how to do this and what that symbol means please
A(1,3,5,7,9) B(1,3,9,12) AUB=
can you tell me how to do this and what that symbol means please