If `A` and `B` are disjoint nonempty sets then `A-(A-B)` is equal to

If A and B are disjoint non-empty sets, then A-(A-B) equals :

If A and B are disjoint sets,then

If A and B are disjoint sets, then A nn (A' uu B) is equal to which one of the following?

If A and B are disjoint sets, then Ann(A'uuB) is equal to which one of the following?

If A and B are two disjoint sets, then n(AuB) is equal to a. n(A)+n(B) b. n(A)+n(B)-n(AnB) c. n(A)+n(B)+n(AnB) d. n(A)n(B)

If A and B are not disjoint sets then n(A cup B) is equal to

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

If A and B are disjoint sets, then write A nn B

If A and B are disjoint sets, then write A nn B

If A and B are two disjoint sets,then n(A uu B) is equal to n(A)+n(B) b.n(A)+n(B)-n(A nn B) c.n(A)+n(B)+n(A nn B) d.n(A)n(B)