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UGC NET CSE | June 2011 | Part 2 | Question: 7
makhdoom ghaya
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$(A+B) \bar{AB}$ is equivalent to
$A \bigoplus B$
$A \bigodot B$
$(A \bigoplus B) \bigodot A$
$(A \bigodot B) \bigoplus A$
ugcnetcse-june2011-paper2
makhdoom ghaya
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Rajesh Pradhan
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Aug 22, 2016
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If (A+B) (AB)' is question then
= (A+B) (A'+B')
=A'B+AB'
= A x-or B
So Option A is Ans
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Considering this as question
(A+B)A'B
=A'B
Option A & B are not equivalent to A'B
C & D both giving solution B'
So no option is matching here.
Plz correct me.
Rajesh Pradhan
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Aug 22, 2016
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nimesh kumar
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no option matching
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The boolean expression can be written as:
$(A+B).\overline{(AB)}$
$\ = (A+B).(\bar A+\bar B)$
$\ = (A.\bar A+A.\bar B+\bar AB+B.\bar B)$
$\because (x.\bar x=0)$
$\therefore(\bar AB+A\bar B \equiv (A\oplus B) )$
So Option $(A)$ is correct.
Hira Thakur
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May 14, 2021
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