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ISRO | ISRO CS 2015 | Question 10

  • Last Updated : 20 Nov, 2018

The boolean expression AB + AB’+ A’C + AC is independent of the boolean variable
(A) A
(B) B
(C) C
(D) None of these

Answer: (B)


AB + AB' + A'C + AC
= A(B + B') + C(A + A')
= A + C(/pre)
As the expression is independent of 'B', option (B) is correct.

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