Question: 1. (a) Prove by algebraic method that a + ab + ac+ a bc = a + b + c. (b) Find the CPOS of

1. (a) Prove by algebraic method that a + ab + ac+ a bc = a + b + c.

(b) Find the CPOS of f(x, y, z) = (x + y)y + xz + x + y + y(x + z).

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