select all that applyselect all that are set identities.multiple select question.a∪(a∩b)=a
A. a ∪ (a ∩ b) = a
B. a ∩ (a ∪ b) = a
C. a ∩ (a ∩ b) = a
D. a ∪ (a ∪ b) = a