Prove the identity of each of the following Boolean equations, using algebraic manipulation only: Y + X bar Z + XY bar = X + Y + Z A bar B + B bar C bar + A + B +B bar C = 1

Prove the identity of each of the following Boolean equations, using algebraic manipulation only: Y + X bar Z + XY bar = X + Y + Z A bar B + B bar C bar + A + B +B bar C = 1