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Question

The logic expression which is NOT true in Boolean algebra is
  1. [¯1+0].1=0
  2. [¯1+¯1].1=0
  3. [¯1+0].¯1=0
  4. [1+1].1=0

A
[¯1+0].1=0
B
[1+1].1=0
C
[¯1+¯1].1=0
D
[¯1+0].¯1=0
Solution
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[¯1+¯1].1=[0+0].1=0
[¯1+0].1=[0+0].1=0
[¯1+0].¯1=[0+0].0=0
[1.1].1=1.1=10

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