## Discussion Forum

Que. | 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:(P + Q'.R') |

Ritika :(June 21, 2021)
(P+Q'+R').(P+Q'+R).(P+Q+R')
=(P+R`)(Q+Q`)(P+Q`+R) =P+PR+PQ`+R`P+R`Q` =P(1+Q`)+R`P+R`Q` =P(1+R`)+R`Q` =P+R`Q` |

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Ritika Pravakar :(June 21, 2021)
(P+Q'+R').(P+Q'+R).(P+Q+R')
=(P+R`)(Q+Q`)(P+Q`+R) =P+PR+PQ`+R`P+R`Q` =P(1+Q`)+R`P+R`Q` =P(1+R`)+R`Q` =P+R`Q` |

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