Question

For X = P'Q' + PQ, find complement of X​

Answer 1

Answer:

(P+Q).(P'+Q')

Explanation:

X = P'Q' + PQ

Taking complement both sides

Using laws:

(ab)'= a'+b'

(a+b)'=a'.b'

X'=( P'Q' + PQ)'

=(P+Q).(P'+Q')