Question

find the dual of following boolean expression (A+0).(A.1.`A)
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Answer 1

Answer:

A+0.A.1.A

Explanation:

is the right answer follow

Answer 2

(A.1)+(A+0+A)

Duality theorem

Duality theorem states that the dual of the Boolean function is obtained by interchanging the logical AND operator with logical OR operator and zeros with ones. For every Boolean function, there will be a corresponding Dual function.

To calculate the dual of the boolean expression (A+0).(A.1.`A), we have to

• Interchange the logical AND operator with logical OR operator and logical OR operator with logical AND operator  
• Interchange zeros with ones

Dual of the boolean expression (A+0).(A.1.`A) is (A.1)+(A+0+A)