A' = A'B + A'B' and
B = BA' + BA
Now
A'D + BD + B'C + AB'D =
(A' + B + AB')D + B'C =
(A'B + A'B' + A'B + AB + AB')D + B'C =
(1)D + B'C
The 1st question is solved by 2 gentlemenProve i. AD + BD + BC + ABD = BC + D
ii. (x'y' + z)' + z + xy + wz = x + y + z
I'm new to Boolean algebra and I've tried all the rules for Boolean algebra without success. Help anyone?
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