hallo
plesae help me

apple DeMorgan's law to find the complement of the folloing expession

 

Two points:

1. Aquaint yourself with DeMorgan's Theorums.

2. Remember that you can apply the double-NOT function such that it will not change the expression, i.e. A => NOT gives A' => NOT gives A (where ' = NOT). This is very useful when applying DeMorgan's Theorums.

Have a go, post up your attempts and we can help you from there.

Dave

 

help me I'm don't understant this subject

thank you

 

Did you read the information in the link? If you can cite the specific parts you are having trouble with, we can walk you through them.

 

is the ruslt right or no

 

Almost... you dropped an "A"

Needs to be A(B'+C') instead of simply B'+C'

Otherwise, you got it right!

 

DEAR
you can use simple one law

( A . B )' = A' + B'


A( B. C' +(D.E)' )+ (B.F)' =

A( B. C' + D' + E' ) + B' + F' =

A . B . C' + A .D' + A .E' + B' + F'