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   sci.math.symbolic      Symbolic algebra discussion      10,432 messages   

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   Message 8,446 of 10,432   
   A N Niel to All   
   Re: what has your CAS to say about this    
   16 Oct 13 10:15:30   
   
   From: anniel@nym.alias.net.invalid   
      
   In article <525C3859.9FE922D5@freenet.de>,    
   wrote:   
      
   > Over which extended region of complex numbers a and b does the relation   
   >   
   >   ABS(a^2*ABS(b - a)^2 + ABS(a)^2*(b^2 - a^2))   
   >   = ABS(a)*ABS(b - a)*(ABS(a)^2 + ABS(b)^2 - ABS(b - a)^2)   
   >   
   > hold?   
   >   
   > Martin.   
      
   how about:  a=0 or Re(b/a) >= 0.   
      
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