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Boolean Algebra

Question
CBSEENCO12011648

Verify the following using Boolean Laws.
A’+ B’.C = A’.B’.C’+ A’.B.C’+ A’.B.C + A’.B’.C+ A.B’.C

Solution

LHS
A’ + B’.C
= A’.(B + B’).(C + C’) + (A + A’).B’.C
= A’.B.C + A’.B.C’ + A’.B’.C + A’.B’.C’ + A.B’.C + A’.B’.C
= A’.B.C + A’.B.C’ + A’.B’.C + A’.B’.C’ + A.B’.C
= A’.B’.C’ + A’.B.C’ + A’.B.C + A’.B’.C + A.B’.C
= RHS