Let F(x,y) is function, (x,y) is the complement of and
Let F(x,y) is a function, Fc(x,y) is the complement of F and Fd(x,y) is dual of F. If Fd(x,y)= x’ + y’ then Fc(x,y)= ___
- A.
x’+y
- B.
x+y’
- C.
x’+y’
- D.
x + y
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Correct answer: D
Complement of a function can be expressed in terms of its dual.
Fd(x’,y’) = Fc(x,y)
To get the complement of a function, complement the variables of its dual.
Fc(x,y)= Fd(x’,y’) = x+y