Question

PROVE THE FOLLOWING

COMMUTATIVE LAW: A+B=B+A

A.B=B.A

DE MORGAN’S LAW: (A+B)’=A’.B’

(A.B)’=A’+B’​

Answer 1

Explanation:

let us take a=2,b=5

commutative law=a+b=b+a

=2+5=5+2

=7=7

let us take a=2,b=2

De morgan's law=a+b=a×b

=2+2=2×2

=4=4

hence proved