Question

Verift the following by using truth table (A'+B').(A'+B')=A'.B+A.B'

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Answer 1

Answer:

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

Explanation:

LHS

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

0 0 1 1 1 1

0 1 1 0 1 1

1 0 0 1 1 1

1 1 0 0 0 0

RHS

A B A' B' A'.B A.B' A'.B+A.B'

0 0 1 1 0 0 0

0 1 1 0 1 0 1

1 0 0 1 0 1 1

1 1 0 0 0 0 0

HENCE PROVED.!