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(bar(a)times(bar(b)+bar(c))+bar(b)times(...

`(bar(a)times(bar(b)+bar(c))+bar(b)times(bar(c)+bar(a))+bar(c)times(bar(a)+bar(b)))*(bar(a)timesbar(b))|=` (A) `|bar(b)timesbar(c)|` (B) `|bar(c)timesbar(a)|` (C) `|bar(a)timesbar(b)+bar(b)timesbar(c)+(bar(c)timesbar(a))|` (D) `0`

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