If P, Q and R are three sets, then which of the following is correct?

1.	If P, Q and R are three sets, then which of the following is correct?
A.	P ∪ (Q ∩ R) = (P ∪ Q) ∩ (P ∩ R)
B.	P ∩ (Q ∪ R) = (P ∪ Q) ∩ (P ∪ R)
C.	P ∪ (Q ∩ R) = (P ∪ Q) ∩ (P ∪ R)
D.	P ∩ (Q ∪ R) = (P ∩ Q) ∩ (P ∩ R)
Answer» D. P ∩ (Q ∪ R) = (P ∩ Q) ∩ (P ∩ R)

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If P, Q and R are three sets, then which of the following is correct?

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