2.) ABC + A'BC + AB'C + AB'C' + A'BC' + A'BC' + A'B'C'

3.) A(A + B + C)(A' + B + C)(A + B' + C)(A + B + C')

4.) (A + B + C)(A + B' + C')(A + B + C')(A + B' + C)

Help me out guys, please show the solutions...

i have the answers for #1 & #2 but i don't know how to get into those.

Ans:

1.) A'B' + A'C' + B'C'

2.) A + B + C'

help!!!

advance thanks to those who are willing to help....

just pm me at my YM (kc_western@yahoo.com) or just reply on this topic. thanks... ^^