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chris00
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\[\lim_{x \rightarrow 1^}\frac{ 2\sqrt{x}(x1) }{ x^21}\]

chris00
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@dan815

chris00
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anyone has any ideas?

myininaya
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is x^21 negative or positive when x gets closer to 1 from the left?

myininaya
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recall a=a if a>0
a=a if a<0
So what is x^21=???? if x>1

chris00
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if x approaches 1 from the left it would be negative for x^21?

myininaya
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yep now factor x^21

chris00
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dw:1377996421837:dw

myininaya
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CANCEL

myininaya
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Cancel something. :)

chris00
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dw:1377996450496:dw
?

myininaya
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yes now plug 1 in

chris00
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dw:1377996517162:dw

chris00
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:)

myininaya
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Good job.

chris00
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thanks!