Question

Let A={1,3,7,8}and B={2,4,7,9} find A U B

Answer 1

Answer:

AUB

Step-by-step explanation:

{1,2,3,4,7,8,9}

This is the answer

Answer 2

A U B ={1,2,3,7,8,4, 9}

AUB signifies all elements of both sets .. .

read as A union B