Answer
Proving the absorption law x + xy = x using the other laws
in Table 5( table in the text book).
Work Step by Step
proof of the absorption law
x +xy
= x · 1+xy
= x(1+y)
= x(y + 1)
= x · 1
= x
by using other laws in the text book table
Discrete Mathematics and Its Applications, Seventh Edition
by Rosen, Kenneth
Published by
McGraw-Hill Education
ISBN 10:
0073383090
ISBN 13:
978-0-07338-309-5
Chapter 12 - Section 12.1 - Boolean Functions - Exercises - Page 818: 11
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