If A and B are two non empty sets and A-B=B-A, then what is the relation between A and B - Maths - Sets

Question

If A and B are two non empty sets and A-B=B-A, then what is the
relation between A and B

Rishabh Mittal · Accepted Answer

We know , A-B=A-A∩Band  B-A= B - A∩BA
T
QA-A∩B= B - A∩BTherefore , A=B
So, A and B are equal sets

If A and B are two non empty sets and A-B=B-A, then what is the relation between A and B.