The Boolean expression for the output 'f' of the multiplexer shown below is ? [GATE|| 2010|| MCQ||1 Mark]

(P ⊕ Q ⊕ R)'
P ⊕ Q ⊕ R
P + Q + R
(P + Q + R)'
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GATE || DIGITAL ELECTRONICS / LOGIC ||PYQ (2010 TO2025),GATE || DIGITAL LOGIC || COMBINATIONAL CIRCUIT || PYQ (2010 TO 2025 )