Question

Prove that the following algebraically X + Y'Z = (X+Y'+Z) (X+Y'+Z) (X+Y+Z)​

Answer 1

Explanation:

L.H.S. = (X + Y)(X + Z) = XX + XZ + XY + YZ = X + XZ + XY + YZ (XX = X Indempotence law) = X + XY + XZ + YZ = X(1 + Y) + Z(X + Y) = X.1 + Z(X + Y) (1 + Y = 1 property of 0 and 1) = X + XZ + YZ) (X . 1 = X property of 0 and 1) = X(1 + Z) + YZ = X.1 + YZ (1 + Z = 1 property of 0 and 1) = X.1 + YZ (X . 1 = X property of 0 and 1) = L.H.S. Hence proved

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Answer 2

Explanation:

L.H.S. = (X + Y)(X + Z) = XX + XZ + XY + YZ = X + XZ + XY + YZ (XX = X Indempotence law) = X + XY + XZ + YZ = X(1 + Y) + Z(X + Y) = X.1 + Z(X + Y) (1 + Y = 1 property of 0 and 1) = X + XZ + YZ) (X . 1 = X property of 0 and 1) = X(1 + Z) + YZ = X.1 + YZ (1 + Z = 1 property of 0 and 1) = X.1 + YZ (X . 1 = X property of 0 and 1) = L.H.S. Hence provedRead more on Sarthaks.com - https://www.sarthaks.com/439644/prove-algebraically-that-x-y-x-z-x-yz