Consider the following relations:
1 A-B=A-A∩B
2 A=A∩B∪A-B
(3) A-(B∪C)=A-B∪A-C
Which of these is/are correct
1 and 3
2 only
2 and 3
1 and 2
A-B=A-A∩B is correct.
A=(A∩B)∪(A-B) is correct.
(3) is false.
∴(1) and (2) are true.