Question

A = {x:x € Z and - 3 < x <3} & B = {x:Xe N and 0 < x <7}
Find A - B​

Answer 1

Answer:

Writing the two given sets in roster form, we have

A = {-2,-1,0,1,2} and B = {1,2,3,4,5,6}.

So, A - B means eliminating the elements of set B from set A

i.e., A - B = {-2,-1,0}.