If A,B and C are non-empty sets, then (A−B)∪(B−A)=
(A∪B)−B
A−(A∩B)
(A∪B)−(A∩B)
(A∩B)∪(A∪B)
(A−B)∪(B−A)=(A∪B)−(A∩B)