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If A + B + 1, then in terms of Boolean algebra the value of A.B + A is not equal to

A.

B.A+B

B.

B+A

C.

B

D.

`barA.B`

Solution

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Best answer

If A=B=1; then A.B+A=1.1+1=1 then `barA.B=bar1 .1=0.1=0`