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|    sci.math.symbolic    |    Symbolic algebra discussion    |    10,432 messages    |
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|    Message 9,766 of 10,432    |
|    Albert Rich to Nasser M. Abbasi    |
|    Re: More teething help    |
|    22 Jan 18 11:57:16    |
      From: Albert_Rich@msn.com              On Saturday, January 20, 2018 at 7:53:45 PM UTC-10, Nasser M. Abbasi wrote:              > Mathematica 11.2 gives results using AppellF1       > ================       >       > In[19]:= Integrate[x/((4-x^3)*Sqrt[1-x^3]),x]       > Out[19]= 1/8 x^2 AppellF1[2/3,1/2,1,5/3,x^3,x^3/4]       >       > In[20]:= Integrate[x/((x^3+8)*Sqrt[x^3-1]),x]       > Out[20]= (x^2 Sqrt[1-x^3] AppellF1[2/3,1/2,1,5/3,x^3,-(x^3/8)])/(16       Sqrt[-1+x^3])       >       > In[21]:= Integrate[(2+x^3)/((4-x^3)*Sqrt[1-x^3]),x]       > Out[21]= 1/16 (8 x AppellF1[1/3,1/2,1,4/3,x^3,x^3/4]+x^4 Appel       F1[4/3,1/2,1,7/3,x^3,x^3/4])       >       > In[22]:= Integrate[(x^3-4)/((x^3+8)*Sqrt[x^3-1]),x]       > Out[22]= (Sqrt[1-x^3] (-16 x AppellF1[1/3,1/2,1,4/3,x^3,-(x^3/8)]+x^4       > AppellF1[4/3,1/2,1,7/3,x^3,-(x^3/8)]))/(32 Sqrt[-1+x^3])              Interestingly, Mathematica 7 returns antiderivatives in terms of the elliptic       integral functions for the above indefinite integrals...              Albert              --- SoupGate-Win32 v1.05        * Origin: you cannot sedate... all the things you hate (1:229/2)    |
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