From: nma@12000.org   
      
   On 3/14/2018 9:58 AM, clicliclic@freenet.de wrote:   
   >   
   > Hello,   
   >   
   > can somebody determine if FriCAS considers the following integral   
   > elementary?   
   >   
   > setSimplifyDenomsFlag(true)   
   > integrate((-x+3*sqrt(6)+10)/((x^2-4*x-50)*sqrt(x^3-30*x-56)), x)   
   >   
   > On the web interface this takes longer than five minutes.   
   >   
   > Thank you,   
   >   
   > Martin.   
   >   
      
   Using 1.3.3 on Linux, this returns evaluated integral immediately   
      
   ~>fricas   
                           FriCAS Computer Algebra System   
                                Version: FriCAS 1.3.3   
                       Timestamp: Tue Mar 13 22:58:43 CDT 2018   
      
   (1) -> setSimplifyDenomsFlag(true)   
       (1)  false   
      
   (4) -> ii:=integrate((-x+3*sqrt(6)+10)/((x^2-4*x-50)*sqrt(x^3-30*x-56)), x);   
                                             Type: Union(Expression(Integer),...)   
   (5) -> unparse(ii::InputForm)   
       (5)   
      "integral(((3*6^(1/2)+((-1)*x+10))*(x^3+(-30)*x+(-56))^(1/2))   
   (x^5+(-4)*x^4+(   
      -80)*x^3+64*x^2+1724*x+2800),x::Symbol)"   
                                                                     Type: String   
      
      
   --Nasser   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)