Question

3) For any two sets A and B, A-B is equal to ​

Answer 1

Answer:

A - B = {x : x € A but not B } .

A-B consists of those elements which are contained in set A but are not present in set B

For example

A = {1,2,3,4,5}

B ={3,5,7}

A-B = {1,2,4}