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            This is a file from the  Wikimedia Commons. Information from its  description page there is shown below.  Commons is a freely licensed media file repository.  You can help. 
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           | Description | 
           
             English: ln(x+iy) 
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           | Date | 
           2006-11-25 (original upload date) | 
          
          
           | Source | 
           Transferred from  en.wikipedia | 
          
          
           | Author | 
           Original uploader was  Sam Derbyshire at  en.wikipedia | 
          
          
           Permission ( Reusing this file) | 
           
             Released under the  GNU Free Documentation License. 
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        Licensing 
        
         
          
            Sam Derbyshire at the  English language Wikipedia, the copyright holder of this work, hereby publishes it under the following license:
           
            
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             Permission is granted to copy, distribute and/or modify this document under the terms of the  GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.  Subject to  disclaimers.www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue 
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       File usage
       
        The following pages on Schools Wikipedia link to this image (list may be incomplete):
        
        
       
      Schools Wikipedia has been carefully checked to give you the best learning experience. SOS Children's Villages is an international children's charity, providing a good home and loving family to thousands of children who have lost their parents. We also work with communities to help vulnerable families stay together and raise children in the best possible environment. There are many ways to help with SOS Children's Villages.