A) \[\overline{A+B}\]
B) A
C) A.B
D) A + B
Correct Answer: B
Solution :
\[(\overline{\bar{A}\cdot \bar{B}})\cdot A=(\bar{\bar{A}}+\bar{\bar{B}})A=(A+B)\cdot A\] \[=A\cdot A+AB=A+AB=A(1+B)=A\]You need to login to perform this action.
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