Optimal. Leaf size=105 \[ \frac{x^4}{60 a^2}+\frac{4 x^2}{45 a^4}+\frac{23 \log \left (1-a^2 x^2\right )}{90 a^6}+\frac{x^3 \coth ^{-1}(a x)}{9 a^3}+\frac{x \coth ^{-1}(a x)}{3 a^5}-\frac{\coth ^{-1}(a x)^2}{6 a^6}+\frac{1}{6} x^6 \coth ^{-1}(a x)^2+\frac{x^5 \coth ^{-1}(a x)}{15 a} \]
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Rubi [A] time = 0.245691, antiderivative size = 105, normalized size of antiderivative = 1., number of steps used = 15, number of rules used = 7, integrand size = 10, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.7, Rules used = {5917, 5981, 266, 43, 5911, 260, 5949} \[ \frac{x^4}{60 a^2}+\frac{4 x^2}{45 a^4}+\frac{23 \log \left (1-a^2 x^2\right )}{90 a^6}+\frac{x^3 \coth ^{-1}(a x)}{9 a^3}+\frac{x \coth ^{-1}(a x)}{3 a^5}-\frac{\coth ^{-1}(a x)^2}{6 a^6}+\frac{1}{6} x^6 \coth ^{-1}(a x)^2+\frac{x^5 \coth ^{-1}(a x)}{15 a} \]
Antiderivative was successfully verified.
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Rule 5917
Rule 5981
Rule 266
Rule 43
Rule 5911
Rule 260
Rule 5949
Rubi steps
\begin{align*} \int x^5 \coth ^{-1}(a x)^2 \, dx &=\frac{1}{6} x^6 \coth ^{-1}(a x)^2-\frac{1}{3} a \int \frac{x^6 \coth ^{-1}(a x)}{1-a^2 x^2} \, dx\\ &=\frac{1}{6} x^6 \coth ^{-1}(a x)^2+\frac{\int x^4 \coth ^{-1}(a x) \, dx}{3 a}-\frac{\int \frac{x^4 \coth ^{-1}(a x)}{1-a^2 x^2} \, dx}{3 a}\\ &=\frac{x^5 \coth ^{-1}(a x)}{15 a}+\frac{1}{6} x^6 \coth ^{-1}(a x)^2-\frac{1}{15} \int \frac{x^5}{1-a^2 x^2} \, dx+\frac{\int x^2 \coth ^{-1}(a x) \, dx}{3 a^3}-\frac{\int \frac{x^2 \coth ^{-1}(a x)}{1-a^2 x^2} \, dx}{3 a^3}\\ &=\frac{x^3 \coth ^{-1}(a x)}{9 a^3}+\frac{x^5 \coth ^{-1}(a x)}{15 a}+\frac{1}{6} x^6 \coth ^{-1}(a x)^2-\frac{1}{30} \operatorname{Subst}\left (\int \frac{x^2}{1-a^2 x} \, dx,x,x^2\right )+\frac{\int \coth ^{-1}(a x) \, dx}{3 a^5}-\frac{\int \frac{\coth ^{-1}(a x)}{1-a^2 x^2} \, dx}{3 a^5}-\frac{\int \frac{x^3}{1-a^2 x^2} \, dx}{9 a^2}\\ &=\frac{x \coth ^{-1}(a x)}{3 a^5}+\frac{x^3 \coth ^{-1}(a x)}{9 a^3}+\frac{x^5 \coth ^{-1}(a x)}{15 a}-\frac{\coth ^{-1}(a x)^2}{6 a^6}+\frac{1}{6} x^6 \coth ^{-1}(a x)^2-\frac{1}{30} \operatorname{Subst}\left (\int \left (-\frac{1}{a^4}-\frac{x}{a^2}-\frac{1}{a^4 \left (-1+a^2 x\right )}\right ) \, dx,x,x^2\right )-\frac{\int \frac{x}{1-a^2 x^2} \, dx}{3 a^4}-\frac{\operatorname{Subst}\left (\int \frac{x}{1-a^2 x} \, dx,x,x^2\right )}{18 a^2}\\ &=\frac{x^2}{30 a^4}+\frac{x^4}{60 a^2}+\frac{x \coth ^{-1}(a x)}{3 a^5}+\frac{x^3 \coth ^{-1}(a x)}{9 a^3}+\frac{x^5 \coth ^{-1}(a x)}{15 a}-\frac{\coth ^{-1}(a x)^2}{6 a^6}+\frac{1}{6} x^6 \coth ^{-1}(a x)^2+\frac{\log \left (1-a^2 x^2\right )}{5 a^6}-\frac{\operatorname{Subst}\left (\int \left (-\frac{1}{a^2}-\frac{1}{a^2 \left (-1+a^2 x\right )}\right ) \, dx,x,x^2\right )}{18 a^2}\\ &=\frac{4 x^2}{45 a^4}+\frac{x^4}{60 a^2}+\frac{x \coth ^{-1}(a x)}{3 a^5}+\frac{x^3 \coth ^{-1}(a x)}{9 a^3}+\frac{x^5 \coth ^{-1}(a x)}{15 a}-\frac{\coth ^{-1}(a x)^2}{6 a^6}+\frac{1}{6} x^6 \coth ^{-1}(a x)^2+\frac{23 \log \left (1-a^2 x^2\right )}{90 a^6}\\ \end{align*}
Mathematica [A] time = 0.0218823, size = 80, normalized size = 0.76 \[ \frac{3 a^4 x^4+16 a^2 x^2+46 \log \left (1-a^2 x^2\right )+4 a x \left (3 a^4 x^4+5 a^2 x^2+15\right ) \coth ^{-1}(a x)+30 \left (a^6 x^6-1\right ) \coth ^{-1}(a x)^2}{180 a^6} \]
Antiderivative was successfully verified.
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Maple [B] time = 0.052, size = 196, normalized size = 1.9 \begin{align*}{\frac{{x}^{6} \left ({\rm arccoth} \left (ax\right ) \right ) ^{2}}{6}}+{\frac{{x}^{5}{\rm arccoth} \left (ax\right )}{15\,a}}+{\frac{{x}^{3}{\rm arccoth} \left (ax\right )}{9\,{a}^{3}}}+{\frac{x{\rm arccoth} \left (ax\right )}{3\,{a}^{5}}}+{\frac{{\rm arccoth} \left (ax\right )\ln \left ( ax-1 \right ) }{6\,{a}^{6}}}-{\frac{{\rm arccoth} \left (ax\right )\ln \left ( ax+1 \right ) }{6\,{a}^{6}}}+{\frac{ \left ( \ln \left ( ax-1 \right ) \right ) ^{2}}{24\,{a}^{6}}}-{\frac{\ln \left ( ax-1 \right ) }{12\,{a}^{6}}\ln \left ({\frac{1}{2}}+{\frac{ax}{2}} \right ) }+{\frac{1}{12\,{a}^{6}}\ln \left ( -{\frac{ax}{2}}+{\frac{1}{2}} \right ) \ln \left ({\frac{1}{2}}+{\frac{ax}{2}} \right ) }-{\frac{\ln \left ( ax+1 \right ) }{12\,{a}^{6}}\ln \left ( -{\frac{ax}{2}}+{\frac{1}{2}} \right ) }+{\frac{ \left ( \ln \left ( ax+1 \right ) \right ) ^{2}}{24\,{a}^{6}}}+{\frac{{x}^{4}}{60\,{a}^{2}}}+{\frac{4\,{x}^{2}}{45\,{a}^{4}}}+{\frac{23\,\ln \left ( ax-1 \right ) }{90\,{a}^{6}}}+{\frac{23\,\ln \left ( ax+1 \right ) }{90\,{a}^{6}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 0.970857, size = 182, normalized size = 1.73 \begin{align*} \frac{1}{6} \, x^{6} \operatorname{arcoth}\left (a x\right )^{2} + \frac{1}{90} \, a{\left (\frac{2 \,{\left (3 \, a^{4} x^{5} + 5 \, a^{2} x^{3} + 15 \, x\right )}}{a^{6}} - \frac{15 \, \log \left (a x + 1\right )}{a^{7}} + \frac{15 \, \log \left (a x - 1\right )}{a^{7}}\right )} \operatorname{arcoth}\left (a x\right ) + \frac{6 \, a^{4} x^{4} + 32 \, a^{2} x^{2} - 2 \,{\left (15 \, \log \left (a x - 1\right ) - 46\right )} \log \left (a x + 1\right ) + 15 \, \log \left (a x + 1\right )^{2} + 15 \, \log \left (a x - 1\right )^{2} + 92 \, \log \left (a x - 1\right )}{360 \, a^{6}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.57716, size = 224, normalized size = 2.13 \begin{align*} \frac{6 \, a^{4} x^{4} + 32 \, a^{2} x^{2} + 15 \,{\left (a^{6} x^{6} - 1\right )} \log \left (\frac{a x + 1}{a x - 1}\right )^{2} + 4 \,{\left (3 \, a^{5} x^{5} + 5 \, a^{3} x^{3} + 15 \, a x\right )} \log \left (\frac{a x + 1}{a x - 1}\right ) + 92 \, \log \left (a^{2} x^{2} - 1\right )}{360 \, a^{6}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 7.50491, size = 114, normalized size = 1.09 \begin{align*} \begin{cases} \frac{x^{6} \operatorname{acoth}^{2}{\left (a x \right )}}{6} + \frac{x^{5} \operatorname{acoth}{\left (a x \right )}}{15 a} + \frac{x^{4}}{60 a^{2}} + \frac{x^{3} \operatorname{acoth}{\left (a x \right )}}{9 a^{3}} + \frac{4 x^{2}}{45 a^{4}} + \frac{x \operatorname{acoth}{\left (a x \right )}}{3 a^{5}} + \frac{23 \log{\left (a x + 1 \right )}}{45 a^{6}} - \frac{\operatorname{acoth}^{2}{\left (a x \right )}}{6 a^{6}} - \frac{23 \operatorname{acoth}{\left (a x \right )}}{45 a^{6}} & \text{for}\: a \neq 0 \\- \frac{\pi ^{2} x^{6}}{24} & \text{otherwise} \end{cases} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int x^{5} \operatorname{arcoth}\left (a x\right )^{2}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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