Optimal. Leaf size=142 \[ -\frac{\log \left (a^{2/3}-\sqrt [3]{a} \sqrt [3]{b} x^2+b^{2/3} x^4\right )}{18 a^{5/3} \sqrt [3]{b}}+\frac{\log \left (\sqrt [3]{a}+\sqrt [3]{b} x^2\right )}{9 a^{5/3} \sqrt [3]{b}}-\frac{\tan ^{-1}\left (\frac{\sqrt [3]{a}-2 \sqrt [3]{b} x^2}{\sqrt{3} \sqrt [3]{a}}\right )}{3 \sqrt{3} a^{5/3} \sqrt [3]{b}}+\frac{x^2}{6 a \left (a+b x^6\right )} \]
[Out]
_______________________________________________________________________________________
Rubi [A] time = 0.203497, antiderivative size = 142, normalized size of antiderivative = 1., number of steps used = 8, number of rules used = 8, integrand size = 11, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.727 \[ -\frac{\log \left (a^{2/3}-\sqrt [3]{a} \sqrt [3]{b} x^2+b^{2/3} x^4\right )}{18 a^{5/3} \sqrt [3]{b}}+\frac{\log \left (\sqrt [3]{a}+\sqrt [3]{b} x^2\right )}{9 a^{5/3} \sqrt [3]{b}}-\frac{\tan ^{-1}\left (\frac{\sqrt [3]{a}-2 \sqrt [3]{b} x^2}{\sqrt{3} \sqrt [3]{a}}\right )}{3 \sqrt{3} a^{5/3} \sqrt [3]{b}}+\frac{x^2}{6 a \left (a+b x^6\right )} \]
Antiderivative was successfully verified.
[In] Int[x/(a + b*x^6)^2,x]
[Out]
_______________________________________________________________________________________
Rubi in Sympy [A] time = 32.6616, size = 128, normalized size = 0.9 \[ \frac{x^{2}}{6 a \left (a + b x^{6}\right )} + \frac{\log{\left (\sqrt [3]{a} + \sqrt [3]{b} x^{2} \right )}}{9 a^{\frac{5}{3}} \sqrt [3]{b}} - \frac{\log{\left (a^{\frac{2}{3}} - \sqrt [3]{a} \sqrt [3]{b} x^{2} + b^{\frac{2}{3}} x^{4} \right )}}{18 a^{\frac{5}{3}} \sqrt [3]{b}} - \frac{\sqrt{3} \operatorname{atan}{\left (\frac{\sqrt{3} \left (\frac{\sqrt [3]{a}}{3} - \frac{2 \sqrt [3]{b} x^{2}}{3}\right )}{\sqrt [3]{a}} \right )}}{9 a^{\frac{5}{3}} \sqrt [3]{b}} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] rubi_integrate(x/(b*x**6+a)**2,x)
[Out]
_______________________________________________________________________________________
Mathematica [A] time = 0.316849, size = 197, normalized size = 1.39 \[ \frac{\frac{3 a^{2/3} x^2}{a+b x^6}+\frac{2 \log \left (\sqrt [3]{a}+\sqrt [3]{b} x^2\right )}{\sqrt [3]{b}}-\frac{\log \left (-\sqrt{3} \sqrt [6]{a} \sqrt [6]{b} x+\sqrt [3]{a}+\sqrt [3]{b} x^2\right )}{\sqrt [3]{b}}-\frac{\log \left (\sqrt{3} \sqrt [6]{a} \sqrt [6]{b} x+\sqrt [3]{a}+\sqrt [3]{b} x^2\right )}{\sqrt [3]{b}}-\frac{2 \sqrt{3} \tan ^{-1}\left (\sqrt{3}-\frac{2 \sqrt [6]{b} x}{\sqrt [6]{a}}\right )}{\sqrt [3]{b}}-\frac{2 \sqrt{3} \tan ^{-1}\left (\frac{2 \sqrt [6]{b} x}{\sqrt [6]{a}}+\sqrt{3}\right )}{\sqrt [3]{b}}}{18 a^{5/3}} \]
Antiderivative was successfully verified.
[In] Integrate[x/(a + b*x^6)^2,x]
[Out]
_______________________________________________________________________________________
Maple [A] time = 0.006, size = 123, normalized size = 0.9 \[{\frac{{x}^{2}}{6\,a \left ( b{x}^{6}+a \right ) }}+{\frac{1}{9\,ab}\ln \left ({x}^{2}+\sqrt [3]{{\frac{a}{b}}} \right ) \left ({\frac{a}{b}} \right ) ^{-{\frac{2}{3}}}}-{\frac{1}{18\,ab}\ln \left ({x}^{4}-{x}^{2}\sqrt [3]{{\frac{a}{b}}}+ \left ({\frac{a}{b}} \right ) ^{{\frac{2}{3}}} \right ) \left ({\frac{a}{b}} \right ) ^{-{\frac{2}{3}}}}+{\frac{\sqrt{3}}{9\,ab}\arctan \left ({\frac{\sqrt{3}}{3} \left ( 2\,{{x}^{2}{\frac{1}{\sqrt [3]{{\frac{a}{b}}}}}}-1 \right ) } \right ) \left ({\frac{a}{b}} \right ) ^{-{\frac{2}{3}}}} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] int(x/(b*x^6+a)^2,x)
[Out]
_______________________________________________________________________________________
Maxima [F] time = 0., size = 0, normalized size = 0. \[ \text{Exception raised: ValueError} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate(x/(b*x^6 + a)^2,x, algorithm="maxima")
[Out]
_______________________________________________________________________________________
Fricas [A] time = 0.226715, size = 194, normalized size = 1.37 \[ \frac{\sqrt{3}{\left (3 \, \sqrt{3} \left (a^{2} b\right )^{\frac{1}{3}} x^{2} - \sqrt{3}{\left (b x^{6} + a\right )} \log \left (\left (a^{2} b\right )^{\frac{2}{3}} x^{4} - \left (a^{2} b\right )^{\frac{1}{3}} a x^{2} + a^{2}\right ) + 2 \, \sqrt{3}{\left (b x^{6} + a\right )} \log \left (\left (a^{2} b\right )^{\frac{1}{3}} x^{2} + a\right ) + 6 \,{\left (b x^{6} + a\right )} \arctan \left (\frac{2 \, \sqrt{3} \left (a^{2} b\right )^{\frac{1}{3}} x^{2} - \sqrt{3} a}{3 \, a}\right )\right )}}{54 \,{\left (a b x^{6} + a^{2}\right )} \left (a^{2} b\right )^{\frac{1}{3}}} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate(x/(b*x^6 + a)^2,x, algorithm="fricas")
[Out]
_______________________________________________________________________________________
Sympy [A] time = 4.16912, size = 41, normalized size = 0.29 \[ \frac{x^{2}}{6 a^{2} + 6 a b x^{6}} + \operatorname{RootSum}{\left (729 t^{3} a^{5} b - 1, \left ( t \mapsto t \log{\left (9 t a^{2} + x^{2} \right )} \right )\right )} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate(x/(b*x**6+a)**2,x)
[Out]
_______________________________________________________________________________________
GIAC/XCAS [A] time = 0.225749, size = 182, normalized size = 1.28 \[ \frac{x^{2}}{6 \,{\left (b x^{6} + a\right )} a} - \frac{\left (-\frac{a}{b}\right )^{\frac{1}{3}}{\rm ln}\left ({\left | x^{2} - \left (-\frac{a}{b}\right )^{\frac{1}{3}} \right |}\right )}{9 \, a^{2}} + \frac{\sqrt{3} \left (-a b^{2}\right )^{\frac{1}{3}} \arctan \left (\frac{\sqrt{3}{\left (2 \, x^{2} + \left (-\frac{a}{b}\right )^{\frac{1}{3}}\right )}}{3 \, \left (-\frac{a}{b}\right )^{\frac{1}{3}}}\right )}{9 \, a^{2} b} + \frac{\left (-a b^{2}\right )^{\frac{1}{3}}{\rm ln}\left (x^{4} + x^{2} \left (-\frac{a}{b}\right )^{\frac{1}{3}} + \left (-\frac{a}{b}\right )^{\frac{2}{3}}\right )}{18 \, a^{2} b} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate(x/(b*x^6 + a)^2,x, algorithm="giac")
[Out]