Question

A = x:x is the multiple of a 3 between
5 and 20 which is also divisible by 9 ?
B=x:x is a positive integer and is a divisior of 18 ?

1) find A-B and B-A. what do you observe?
2)also represent this problem through Venn diagram?​

Answer 1

Step-by-step explanation:

A= { 9,18 }

B = { 1,2,3,6,9,18 }

i) A-B = { } (empty set)

B-A = { 1,2,3,6 }