Question

If A and B are two sets A intersection (A union B) equals

a. (A) b. (B) c. (A intersect B) d. (A union B)

Answer 1

Answer: A

Step-by-step explanation:

By applying De Morgan’s Law,

(A’ ∩ B’) ∪ (A’ ∩ B)

By distributive law,

A’ ∩ [(B’ ∪ B)]  

= A’ ∩ U

= A’