Two sets having no element in common are called `"_____"` sets.

Sets having atleast one element in common are called......

If A and B are two non-empty sets having n elements in common,then what is the number of common elements in the sets A xx B and B xx A?

If A and B are two non-empty sets having n elements in common, then prove that Axx B and B xx A have n^2 elements in common.

If A and B are two non-empty sets having n elements in common , then show that A xx B and B xx A have n^2 elements in common.

If P and Q are sets having 5 elements in com-mon, then how many elements do P xx Q and Q xx P have in common ?

If two sets A & B are having 99 elements in common, then the number of elements common to the sets AxxB and BxxA are

If two sets A & B are having 99 elements in common, then the number of elements common to the sets AxxB and BxxA are

If two sets A and B are having 99 elements in common to each of the sets A xx B and B xx A are

A and B are two non empty set having n element in common ; then prove that AxxB and BxxA have n^2 element in common.