Boolean Algebra : Prove that

kishanio picture kishanio · Oct 21, 2012 · Viewed 43.1k times · Source

I was having trouble with the following problem in boolean algebra i.e.

A+A'B = A+B

I need to prove the above section. I mean its already reduced i can't reduce it further.

Answer

rarief picture rarief · Mar 20, 2014

A+A'B = A.1 + A'B = A.(1+B)+A'B = A.1+A.B+A'B = A + B.(A+A') = A + B.1 = A + B