Multiple choice

The Boolean expression AB + AB + AC + AC is independent of the Boolean variable

  1. A

  2. B

  3. C

  4. None of above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

AB + AB + AC + AC simplifies to AB + AC = A(B + C). This expression depends on A, B, and C. Since the question implies the expression is independent of one, and none of the variables can be removed, the answer is none of the above.

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