Question

Let A = {factors of 24} and B = {factors of 30}, find A-B

Answer 1

Answer:

{}

Step-by-step explanation:

A = {factors of 24} = {2,3}

B = {factors of 30} = {2,3,5}

So, A-B = {x : x ∈ A, and x ∉ B} = {}

but, B-A = {5}