Which of the following is valid for Boolean algebra but NOT for ordina – McqOptions

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1.	Which of the following is valid for Boolean algebra but NOT for ordinary algebra?
A.	X. (X + Z) = (X.Y) + (X.Z)
B.	X + (Y.Z) = (X + Y).(X + Z)
C.	X + Y = Y + X
D.	X.Y = Y.X
Answer» C. X + Y = Y + X

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