Question

o What would be the complement AB'+C'D'​

Answer 1

Answer:

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(AB’ + C’D’)’ = (AB’)’.(C’D’)’ (De Morgan’s first theorem)

= (A’ + B’’).(C’’ + D’’) (DeMorgan’s second theorem i.e (A.B)’= A’+ B’) = (A’ + B’).(C + D) ((X’)’= X)