If `Aa n dB` are any two non-empty sets, then prove that: `AxxB=BxxA A=Bdot`

If A and B are any two non-empty sets, then prove that: AxxB=BxxA ' implies A=Bdot

Let A and B be two non empty sets, then show that AxxB=BxxA . If A=B

If A and B are any two non-empty subsets of a set E, then what is A uu (A nnB) equal to ?

If A is a non-empty set and AxxB=AxxC , then prove that, B = C.

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

A and B are any two non-empty sets and A is proper subset of B. If n(A)=5, then find the minimum possible value of n(A Delta B).

A and B are any two non-empty sets and A is proper subset of B. If n(A)=5, then find the minimum possible value of n(A DeltaB)

A and B are any two non-empty sets and A is proper subset of B. If n(A)=5, then find the minimum possible value of n(A DeltaB)