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Question

Digital Logic Question on Boolean Algebra

Which one is false ?

A

X.1=XX.1=X

B

X+Xˉ=1X+\bar X=1

C

1+X=X1+X=X

D

X.X=0X.X=0

Answer

1+X=X1+X=X

Explanation

Solution

The correct options are (C) & (D).