railway RRB JE (CBT I + CBT II) Mock Test 2024 Digital Electronics Logic Gates and Boolean Algebra Laws of Boolean Algebra
Which of the following statements related to Boolean algebra is FALSE?
1
X.(X̅ + 1) = X
2
X.(X̅ + X̅ Y) = 1
3
X + X̅ = 1
4
1 + X = 1