If X, Y and Z are any three non empty sets such that any two of them are disjoint, then `(xuuyuuz)(xnnynnz)` is

If X,Y and Z are any three non empty sets such that any two of them are disjoint,then (x uu y uu z)(x nn y nn z) is

If A, B and C are three non-hempty sets such that any two of them are disjoint, then (AuuBuuC) nn(AnnBnnC)=

If A, B and C are three non-hempty sets such that any two of them are disjoint, then (AuuBuuC) nn(AnnBnnC)=

If X and Y are any two non-empty sets, then what is (X-Y)' equal to?

If A,B and C are three non=empty sets such that A and B are disjoint and the number of elements contained in A is equal to those contained in the set of elements common to the set A and C, then (AcupBcupC) is necessarily equal to

If A,B and C are three non=empty sets such that A and B are disjoint and the number of elements contained in A is equal to those contained in the set of elements common to the set A and C, then n(AcupBcupC) is necessarily equal to

If A and B are any two sets, then

If A and B are any two sets, then

If X and Y are two non-empty sets, then what is (X - Y)' equal to