If P, Q, R are Boolean variables, then (P + Q\’)(PQ\’ + PR)(P\’R\’ + Q\’) simplifies
(P+\\overline{Q})(P.\\overline{Q} + P.R)(\\overline{P}.\\overline{R}+\\overline{Q})
= (P+Q)(P.Q + P.R.\\overline{Q})
= (P+Q)(P.\\overline{Q})[\\because (1+R)=1]
= P\\overline{Q}
(A) PQ\’
(B) PR\’
(C) PQ\’ + R
(D) PR\’\’ + Q
Answer: (A) Explanation: Quiz of this Question
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