Fill in the blanks:
If A and B are any two sets, then A - B is equal to _________

If A and B are any two matrics then

If A and B are two sets then Acap(BcupA) is equal to:

If A and B are two sets, then A nn (A uu B) equals

If A and B are two disjoint sets, then n(AcupB) is equal to:

Fill in the blanks: If A and B are two matrices then A + B is defined only if these are of the ……… order.

If A and B are two non-empty sets, then (A-B)cup(B-A) is equal to:

Fill in the blanks : If A is an invertible square matrix, then (A)^-1 is equal to …………. .

If A and B are any two sets, prove that : (A-B) uu B =A uu B .

If A and B are two sets ,then (A-B)uu(B-A)uu(AnnB) equals