Question

Given A = {1, 2, 5, 7} and B = {1, 3, 5, 7, 8}, find B – A.

{2}
{3, 8}
{1, 5, 7}
{1, 2, 3, 5, 7, 8}

Answer 1

@toga

Answer 2

To find B – A, we need to remove all the elements of set A from set B.

Therefore, B – A = {3, 8}.

So, the correct option is (b) {3, 8}.