Question

29. A = {x:x is multiple of 3 between 5 and
20 which is also divisible by 9}
B = {x:x is a positive integer and is a
divisor of 18)
(i) Find A - B and B - A. What do you
observe ?
(ii) 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 }