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State the Absorption laws of Boolean algebra with the help of truth tables. |
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Answer» Absorption law states that A + A . B = A and A . (A + B) = A Proof: The Truth table of the expression A + A . B = A is as follows.
Here both columns A and A + A . B are identical. Hence proved. For A . (A + B) = A, the truth table is as follows:
Both columns A & A . (A + B) are identical. Hence proved |
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