(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

1) Simplify the following Boolean expression:

Y = ABCD – ABD

2. Relevant equations

3. The attempt at a solution

I simplified it in the following way:

Y = ABCD – ABD. (C + 1)

= - ABD

But the answer given in my book is ABD.

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# Boolean algebra

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