Given:
1. A= {1,2,3} and B= {4,5,6}
2. A= {a,b,c,d} and B = {11,55,66}
Required:
Find the union of events A and B.
Step-by-step explanation:
The union of two sets A and B is the set of elements in which elements of both A and B.
1.
![A\cup B=\lbrace1,2,3,4,5,6\rbrace](https://img.qammunity.org/2023/formulas/mathematics/college/67hs6fgb88gvgr46y8nlow9ecam8rn86vb.png)
2.
![A\cup B=\lbrace a,b,c,d,11,55,66\rbrace](https://img.qammunity.org/2023/formulas/mathematics/college/om60awf2ax9poqy3t4r7lgualirjura1gt.png)
Final answer:
1.
![A\cup B=\lbrace1,2,3,4,5,6\rbrace](https://img.qammunity.org/2023/formulas/mathematics/college/67hs6fgb88gvgr46y8nlow9ecam8rn86vb.png)
2.
![undefined]()