Question

If A∪B = A∩B, then
(a) A≠B (b) A = B (c) A ⊂ B (d) B ⊂ A

Answer 1

If A union B = A intersection of B
then A will be=B.

Answer 2

Answer:

A =  B

Step-by-step explanation:

A ∩ B  is a set of all elements which belongs  in both the sets A and B .

Also, A U B  is a set of all elements which belong either in A or in B or in both.

Now , given  A∪B = A∩B .

Hence, comparing both definitions , we get

A = B