Question

If A={1,2,4} , B={4,2,1,3} then ac is..​

Answer 1

Answer

A={1,2,4} , B={2,4,5} ,C={2,5} A - C ={1,4} B-C= {4} ( A - C ) × ( B - C ) = {1,4} × {4} {1,4} , { 4,4}