i need help simplifying this expression:
(A''C'' +A''B')(B''+C')
the '' means that there is a double bar over this letter. a single ' means there is only one bar.
could someone please go through the step by step
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Your problem description is ambiguous, so I'll solve what
I *think* you intended. But feel free to update the question
with a parenthesized expression and I will be happy to
re-solve it. [Maybe shoot me an email if you update it
so that I remember to do it :-) ]
My confusion comes from you writing:
A"B'
which you describe as meaning that there is a double bar over
the A and a single bar over the B. But are these bars only
over the variables or do they extend between them. In the
first case, it would be equivalent to:
A'' & B'
in the second case, it would be equivalent to:
(A' & B)'
I expect you meant the latter, so your expression is:
f = ( (AC)'' + (A'B)' ) (B'' + C')
Although even here I'm worred that the "+" in the final
expression might be under a complement bar.
However, a double complement simply cancels out, so:
(AC)'' = AC
thus we now have:
f = ( AC + (A'B)' ) (B + C')
Apply DeMorgan's theorem to the expression (A'B)':
f = ( AC + (A + B') ) (B + C')
f = ( AC + A + B' ) (B + C')
Then group, factor, and reduce the first expression:
f = ( (AC + A) + B' ) (B + C')
f = ( A(C + 1) + B' ) (B + C')
f = ( A(1) + B' ) (B + C')
f = ( A + B' ) (B + C')
Then distibute the AND operator (ie. "multiply"):
f = AB + B'B + AC' + B'C'
f = AB + 0 + AC' + B'C'
f = AB + AC' + B'C'
.
A'B'C' + AB'C + A'B'C A'B'C' + AB'C + A'B'C + A'B'C A'B' (C' + C) + B'C (A + A') A'B' + B'C bear in innovations you could reproduction words to decrease different words. seem at which of the unique words could be duplicated to decrease AB'C.