Question

Let A= {x : x is a natural number and a factor of 18} B= {x : x is a natural number less than 6}
Find: A ∪B and A ∩ B

Answer 1

Answer:

A=2, 3,6,918

B= 1,2,3,4,5,6

AuB= 1,2,3,4,6,9,18

Aintersection B= 1,2,3,4,6