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February 25th, 2014, 04:28 PM  #1 
Senior Member Joined: Jan 2014 Posts: 196 Thanks: 3  Show function is not analytic
Please check my work on the following problems Show that the given function is not analytic at any point 1) and , and 2) and , so since Approaching this right? Thanks 
February 25th, 2014, 08:53 PM  #2 
Math Team Joined: Aug 2012 From: Sana'a , Yemen Posts: 1,177 Thanks: 44 Math Focus: Theory of analytic functions  Re: Show function is not analytic
Revise number (2) . Another way of doing it is So it is not analytic anywhere. 

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