Question

Se a= {2,3,5,6,4,8}, b= {1,2,3,6,8}, c= {1,4,6,8} determine (b-a) ∩ C

Answer 1

Simples B-A ⇒ {1,2,3,6,8} - {2,3,4,5,6,8} ⇒ B-A = {1} ∩ C = {1,4,6,8} ⇒ {1}