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limit as x approaches 1, ln(x-1)

Guest Sep 21, 2014

Best Answer 

 #1
avatar+92215 
+5

You need to know what a log graph looks like.

 

 

 $$\\\lim_{x\rightarrow +0}\;\;lnx=-\infty\\
so\\
\lim_{x\rightarrow +1}\;\;ln(x-1)=-\infty\\\\
because \;x-1=0 \;when \;x=1$$

Melody  Sep 22, 2014
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1+0 Answers

 #1
avatar+92215 
+5
Best Answer

You need to know what a log graph looks like.

 

 

 $$\\\lim_{x\rightarrow +0}\;\;lnx=-\infty\\
so\\
\lim_{x\rightarrow +1}\;\;ln(x-1)=-\infty\\\\
because \;x-1=0 \;when \;x=1$$

Melody  Sep 22, 2014

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