Which of the following relations is correct a | vedclass

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(D) In Boolean algebra,the following laws are fundamental:$1$. Idempotent Law: $A + A = A$ and $A \cdot A = A$. Thus,option $A$ is correct.$2$. $OR$ L

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(D) In Boolean algebra,the following laws are fundamental:$1$. Idempotent Law: $A + A = A$ and $A \cdot A = A$. Thus,option $A$ is correct.$2$. $OR$ Law: $A + 1 = 1$ (since any input ORed with $1$ is always $1$). Thus,option $B$ is correct.$3$. Complement Law: $A \cdot \overline{A} = 0$ (since one of the variables must be $0$). Thus,option $C$ is correct.Since all the given relations are standard Boolean identities,the correct answer is $D$.

Which of the following relations is correct according to Boolean algebra?

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