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GATE | GATE CS 2019 | Question 39

Consider three 4-variable functions f1, f2 and f3, which are expressed in sum-of-minterms
f1 = Σ(0, 2, 5, 8, 14)
f2 = Σ(2, 3, 6, 8, 14, 15)
f3 = Σ(2, 7, 11, 14) 
For the following circuit with one AND gate and one XOR gate, the output function f can be expressed as:

(A)

Σ(7, 8, 11)

(B)

Σ(2, 14)

(C)

Σ(0, 2, 3, 5, 6, 7, 8, 11, 14)

(D)

Σ(2, 7, 8, 11, 14)

Answer

Please comment below if you find anything wrong in the above post
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