Question

This is the set made taking all the elements from two sets, not repeating any elements

Example: A U B [1,2,3,4,5,6,7,8,9

Answer 1

Union of sets is the that is made taking all the elements from two sets, not repeating any elements. It is denoted by U. It is one of the fundamental operations through which sets can be combined and related to each other. Hope this answers the question.