laws and Rules of  Boolean Algebra in Digital Logic Design 

Rule 11 :-

A + A'B = A + B 

Truth Table:-
        

A     B     A'B   A+A'B  A+B

0      0      0          0            0
0      1      1          1            1
1      0      0          1            1
1      1      0          1            1



        

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