For example, the union of set \(A\) and set \(B\) is written as ... For this it is important to know about common factors. The Venn diagram shows the number of people in a large office who ...

We write it as \({A}\cap{B}\). In the example above \({A}\cap{B}\) = {6, 7, 9, 12}. The union of a Venn diagram is the numbers that are in either Set A or Set B. The union of the above example is ...