Given f1 , f3 and f in canonical sum of products form (in decimal) for the circuitf1 Σm (4, 5, 6, 7, 8), f3 Σm (1, 6, 15) and f Σm (1, 6, 8, 15) then f2 is

Given f1 , f3 and f in canonical sum of products form (in decimal) for

1.	Given f1 , f3 and f in canonical sum of products form (in decimal) for the circuitf1 Σm (4, 5, 6, 7, 8), f3 Σm (1, 6, 15) and f Σm (1, 6, 8, 15) then f2 is
A.	∑(4,6)
B.	∑(4,8)
C.	∑(6,8)
D.	∑(4,6,8)
Answer» D. ∑(4,6,8)