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|    sci.math.symbolic    |    Symbolic algebra discussion    |    10,432 messages    |
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|    Message 9,138 of 10,432    |
|    Nasser M. Abbasi to Nasser M. Abbasi    |
|    Re: Rubi 4.9.2 do not integrate Timofeev    |
|    18 Aug 16 21:28:05    |
      From: nma@12000.org              On 8/18/2016 9:22 PM, Nasser M. Abbasi wrote:       >       > ii:=integrate(integrate(x*(1 - x^3)^(1/3),x),x);       > unparse(ii::InputForm)       >       > "(2*x*log(((((-1)*x^3+1)^(1/3))^2+(-1)*x*((-1)*x^3+1)^(1/3)       x^2)/(x^2))+((-4)       > *x*log((((-1)*x^3+1)^(1/3)+x)/x)+((-4)*x*3^(1/2)*atan((2*3^       1/2)*((-1)*x^3+1)       > ^(1/3)+(-1)*x*3^(1/2))/(3*x))+(3*x^3+9)*((-1)*x^3+1)^(1/3))))/36"       >              opps, Sorry, copy paste mess up in the above. double integration.       Here it is corrected.              ii:=integrate(x*(1 - x^3)^(1/3),x);       unparse(ii::InputForm)               "(log(((((-1)*x^3+1)^(1/3))^2+(-1)*x*((-1)*x^3+1)^(1/3)+x^2)/       x^2))+((-2)*log        ((((-1)*x^3+1)^(1/3)+x)/x)+((-2)*3^(1/2)*atan((2*3^(1/2)*((-1       *x^3+1)^(1/3)+(        -1)*x*3^(1/2))/(3*x))+6*x^2*((-1)*x^3+1)^(1/3))))/18"              --Nasser              --- SoupGate-Win32 v1.05        * Origin: you cannot sedate... all the things you hate (1:229/2)    |
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