Optimal. Leaf size=42 \[ -\frac{1}{6} \log \left (x^2-x+1\right )+\log (x)-\frac{2}{3} \log (x+1)+\frac{\tan ^{-1}\left (\frac{1-2 x}{\sqrt{3}}\right )}{\sqrt{3}} \]
[Out]
_______________________________________________________________________________________
Rubi [A] time = 0.100178, antiderivative size = 42, normalized size of antiderivative = 1., number of steps used = 6, number of rules used = 5, integrand size = 16, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.312 \[ -\frac{1}{6} \log \left (x^2-x+1\right )+\log (x)-\frac{2}{3} \log (x+1)+\frac{\tan ^{-1}\left (\frac{1-2 x}{\sqrt{3}}\right )}{\sqrt{3}} \]
Antiderivative was successfully verified.
[In] Int[(1 - x)/(x*(1 + x^3)),x]
[Out]
_______________________________________________________________________________________
Rubi in Sympy [A] time = 14.5417, size = 42, normalized size = 1. \[ \log{\left (x \right )} - \frac{2 \log{\left (x + 1 \right )}}{3} - \frac{\log{\left (x^{2} - x + 1 \right )}}{6} - \frac{\sqrt{3} \operatorname{atan}{\left (\sqrt{3} \left (\frac{2 x}{3} - \frac{1}{3}\right ) \right )}}{3} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] rubi_integrate((1-x)/x/(x**3+1),x)
[Out]
_______________________________________________________________________________________
Mathematica [A] time = 0.0140908, size = 53, normalized size = 1.26 \[ -\frac{1}{3} \log \left (x^3+1\right )+\frac{1}{6} \log \left (x^2-x+1\right )+\log (x)-\frac{1}{3} \log (x+1)-\frac{\tan ^{-1}\left (\frac{2 x-1}{\sqrt{3}}\right )}{\sqrt{3}} \]
Antiderivative was successfully verified.
[In] Integrate[(1 - x)/(x*(1 + x^3)),x]
[Out]
_______________________________________________________________________________________
Maple [A] time = 0.01, size = 37, normalized size = 0.9 \[ \ln \left ( x \right ) -{\frac{\ln \left ({x}^{2}-x+1 \right ) }{6}}-{\frac{\sqrt{3}}{3}\arctan \left ({\frac{ \left ( 2\,x-1 \right ) \sqrt{3}}{3}} \right ) }-{\frac{2\,\ln \left ( 1+x \right ) }{3}} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] int((1-x)/x/(x^3+1),x)
[Out]
_______________________________________________________________________________________
Maxima [A] time = 1.51761, size = 49, normalized size = 1.17 \[ -\frac{1}{3} \, \sqrt{3} \arctan \left (\frac{1}{3} \, \sqrt{3}{\left (2 \, x - 1\right )}\right ) - \frac{1}{6} \, \log \left (x^{2} - x + 1\right ) - \frac{2}{3} \, \log \left (x + 1\right ) + \log \left (x\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate(-(x - 1)/((x^3 + 1)*x),x, algorithm="maxima")
[Out]
_______________________________________________________________________________________
Fricas [A] time = 0.215446, size = 65, normalized size = 1.55 \[ -\frac{1}{18} \, \sqrt{3}{\left (\sqrt{3} \log \left (x^{2} - x + 1\right ) + 4 \, \sqrt{3} \log \left (x + 1\right ) - 6 \, \sqrt{3} \log \left (x\right ) + 6 \, \arctan \left (\frac{1}{3} \, \sqrt{3}{\left (2 \, x - 1\right )}\right )\right )} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate(-(x - 1)/((x^3 + 1)*x),x, algorithm="fricas")
[Out]
_______________________________________________________________________________________
Sympy [A] time = 0.270013, size = 46, normalized size = 1.1 \[ \log{\left (x \right )} - \frac{2 \log{\left (x + 1 \right )}}{3} - \frac{\log{\left (x^{2} - x + 1 \right )}}{6} - \frac{\sqrt{3} \operatorname{atan}{\left (\frac{2 \sqrt{3} x}{3} - \frac{\sqrt{3}}{3} \right )}}{3} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate((1-x)/x/(x**3+1),x)
[Out]
_______________________________________________________________________________________
GIAC/XCAS [A] time = 0.212307, size = 51, normalized size = 1.21 \[ -\frac{1}{3} \, \sqrt{3} \arctan \left (\frac{1}{3} \, \sqrt{3}{\left (2 \, x - 1\right )}\right ) - \frac{1}{6} \,{\rm ln}\left (x^{2} - x + 1\right ) - \frac{2}{3} \,{\rm ln}\left ({\left | x + 1 \right |}\right ) +{\rm ln}\left ({\left | x \right |}\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate(-(x - 1)/((x^3 + 1)*x),x, algorithm="giac")
[Out]