Question

ifA= {1,2,3}B={4,5,6}then A U B=?​

Answer 1

Answer:

A U B ={1,2,3,4,5,6}

Step-by-step explanation:

A= {1,2,3} , B={4,5,6}

A U B = {1,2,3} U {4,5,6}

 = {1,2,3,4,5,6}