Q. 44 If w, x, y, z are boolean variables, then which of the following in INCORRECT?
(A) wx + w(x+y) + x(x+y) = x + wy
(B) (wx'(y + z’))’ + w’x = w’ + x + y’z
(C) (wx'(y + xz’) + w’x’)y = xy’
(D) (w + y)(wxy + wyz) = wxy + wyz
Answer: (C)
Explanation:
