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GATE | GATE-CS-2015 (Set 3) | Question 65
Let # be a binary operator defined as X # Y = X′ + Y′ where X and Y are Boolean variables. Consider the following two statements.
S1: (P # Q) # R = P # (Q # R) S2: Q # R = R # QWhich of the following is/are true for the Boolean variables P, Q and R?
(A)
Only S1 is True
(B)
Only S2 is True
(C)
Both S1 and S2 are True
(D)
Neither S1 nor S2 are True
Answer
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