Extra Example 2.  Use L'Hopital's rule to find  [Graphics:Images/AnalyticFunctionMod_gr_180.gif].  

Explore Extra Example 2.

[Graphics:../Images/AnalyticFunctionMod_gr_181.gif]


[Graphics:../Images/AnalyticFunctionMod_gr_182.gif]

 

 

Direct substitution of   [Graphics:../Images/AnalyticFunctionMod_gr_183.gif]  is indeterminate.

[Graphics:../Images/AnalyticFunctionMod_gr_184.gif]




[Graphics:../Images/AnalyticFunctionMod_gr_185.gif]

[Graphics:../Images/AnalyticFunctionMod_gr_186.gif]

[Graphics:../Images/AnalyticFunctionMod_gr_187.gif]

[Graphics:../Images/AnalyticFunctionMod_gr_188.gif]

 

 

 

Find the limit as  [Graphics:../Images/AnalyticFunctionMod_gr_189.gif].  

[Graphics:../Images/AnalyticFunctionMod_gr_190.gif]




[Graphics:../Images/AnalyticFunctionMod_gr_191.gif]

 

 

 

Which agrees with the L'Hopital rule computation.

[Graphics:../Images/AnalyticFunctionMod_gr_192.gif]




[Graphics:../Images/AnalyticFunctionMod_gr_193.gif]

 

 

Which agrees with evaluation of the quotient  [Graphics:../Images/AnalyticFunctionMod_gr_194.gif].

[Graphics:../Images/AnalyticFunctionMod_gr_195.gif]



[Graphics:../Images/AnalyticFunctionMod_gr_196.gif]

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(c) 2006 John H. Mathews, Russell W. Howell