Which type of Boolean algebra law do the following laws belong to?

Law 1: A + A.B = A

Law 2: A(A + B) = A

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DFCCIL Executive S&T 29 Sept 2021 Official Paper
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  1. Double negation laws
  2. Distributive laws
  3. Absorption laws
  4. Associate laws

Answer (Detailed Solution Below)

Option 3 : Absorption laws
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A(BC) = (AB)C is associative law.

A+B = B + A is commutative law.

The expression for absorption law is given by,

A + AB = A,

A.(A+B) = A is absorption law.

AB' + B = A + B is also absorption law.

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