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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Ruby negi Best Answer
AB+(A+B)(B+C)=AB+AB+AC+B+BC=AB+AC+B+BC=AB+AC+B(1+C)=AB+AC+B.1=B(1+A)+AC=B+AC... So B+AC is correct.
remember the identity a+1=1 and a.1=a