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Gate2011_1

The simplified SOP (Sum of Product) form of the Boolean expression
\((P + \overline Q + \overline R)\).\((P + \overline Q + R)\).\((P + Q + \overline R)\) is

(A) \((\overline PQ + \overline R)\)              (B) \((P + \overline {QR}) \)         (C) \((\overline PQ + R)\)        (D) (PQ + R)

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