Question

9. B) If ACB, then fina AUB, ANB,
A-B and A-(A-B) interms of A and B.​

Answer 1

Step-by-step explanation:

If AcB the elements of A are also there in B.

That means AUB means the elements present in

both sets.

AUB=B

AnB means the common elements.

AnB=A

A-B means the elements of A but not B.

It is impossible when AcB.

so A-B=null set

A-(A-B) =A