Boolean expression help

Question

I need to simplify the following, although can't find good examples to indicate how to achieve this.

$$(A+\bar{B}).\bar{A}$$

Welcome to MSE. Please type your questions instead of posting images. — José Carlos Santos, Oct 02 '17 at 14:23

Hasan Heydari · Answer 1 · 2017-10-02T14:57:05.667

1

\begin{align}(A + \bar{B}).\bar{A} &= A.\bar{A} + \bar{B}.\bar{A} \\& = False + \bar{B}.\bar{A} \\&= \bar{B}.\bar{A} \\&=\overline{(B+A)}\end{align}

edited Oct 02 '17 at 14:57

answered Oct 02 '17 at 14:23

Hasan Heydari

score 0 · Answer 2 · answered Oct 02 '17 at 14:41

0

Sit and learn:

This is a simple to learn.

Moreover, I will advice to learn Karnaugh map for harder question.

answered Oct 02 '17 at 14:41

Mr.O

2 Answers2