Grrrmbl.   
      
   A state-of-the-art implementation of a Risch integrator   
      
   )version   
      
   Value = "FriCAS 1.3.0 compiled at Thu Sep  1 17:01:37 UTC 2016"   
      
   responds to   
      
   integrate((1 + x)/((1 + x + x^2)*(a + b*x^3)^(1/3)), x)   
      
   with   
      
   >> Error detected within library code:   
      catdef: division by zero   
      
   In his "Symbolic Integration Tutorial", Bronstein appears to believe in   
   the existence of a workable integration algorithm for algebraic   
   integrands involving a simple radical extension. Didn't he know what he   
   was talking about?   
      
   Martin.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)