Determine unions, intersections, and complements of sets using roster notation

Question

A=Banana,Pear,Tomato

B=Kiwifruit,Pear,Watermelon

A

Answer 1

Just list every element, but only once, even if it appears more than once (list pear only once)

AUB = {Banana, Pear, Tomato Kiwifruit, Watermelon}