Let * be defined as x * y = x' + y. Let z = x * y. Value of z * x is

GATE · 1997 · CS · Question 2 subparts

Let * be defined as

x * y = x' + y.

Let

z = x * y.

Value of

z * x

is

A.
x'+y
B.
x
C.
0
D.
1

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