Limit problem, Mathematics

 limit x-a/|x-a| equals x-a [a]a [b]0 [c]-a [d]none 0f these

Posted Date: 3/29/2013 6:42:16 AM | Location : United States

if the limit is x tends to zero then there are two conditions

1) if a ia +ve the answer is -1

2) if a is -ve the answer is +1

if x tends to a the answer is +1 only

so the answer is [d]

Posted by Zora | Posted Date: 3/29/2013 6:42:31 AM

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