The simplified SOP (Sum Of Product) form of the boolean expression (P + Q\’ + R\’) . (P + Q\’ + R) . (P + Q + R\’) is (A) (P\’.Q + R\’) (B) (P + Q\’.R\’) (C) (P\’.Q + R) (D) (P.Q + R)

Answer: (B)

Explanation: See following : (P+Q\’+R\’).(P+Q\’+R).(P+Q+R\’) = From the K-map, POS form is : P + Q\’.R\’

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