If P, Q, R are Boolean variables, then (P + Q')(PQ' + PR)(P'R' + Q') simplifies

GATE · 2008 · CS

If P, Q, R are Boolean variables, then (P + Q')(PQ' + PR)(P'R' + Q') simplifies

A.
PQ'
B.
PR'
C.
PQ' + R
D.
PR' + Q

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