Optimal. Leaf size=205 \[ \frac {3 \text {Li}_2\left (1-\frac {2}{1-a x}\right )}{2 a^4}+\frac {3 \text {Li}_4\left (1-\frac {2}{1-a x}\right )}{4 a^4}+\frac {3 \text {Li}_2\left (1-\frac {2}{1-a x}\right ) \tanh ^{-1}(a x)^2}{2 a^4}-\frac {3 \text {Li}_3\left (1-\frac {2}{1-a x}\right ) \tanh ^{-1}(a x)}{2 a^4}-\frac {\tanh ^{-1}(a x)^4}{4 a^4}+\frac {\tanh ^{-1}(a x)^3}{2 a^4}-\frac {3 \tanh ^{-1}(a x)^2}{2 a^4}+\frac {\log \left (\frac {2}{1-a x}\right ) \tanh ^{-1}(a x)^3}{a^4}+\frac {3 \log \left (\frac {2}{1-a x}\right ) \tanh ^{-1}(a x)}{a^4}-\frac {3 x \tanh ^{-1}(a x)^2}{2 a^3}-\frac {x^2 \tanh ^{-1}(a x)^3}{2 a^2} \]
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Rubi [A] time = 0.47, antiderivative size = 205, normalized size of antiderivative = 1.00, number of steps used = 14, number of rules used = 11, integrand size = 22, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.500, Rules used = {5980, 5916, 5910, 5984, 5918, 2402, 2315, 5948, 6058, 6062, 6610} \[ \frac {3 \text {PolyLog}\left (2,1-\frac {2}{1-a x}\right )}{2 a^4}+\frac {3 \text {PolyLog}\left (4,1-\frac {2}{1-a x}\right )}{4 a^4}+\frac {3 \tanh ^{-1}(a x)^2 \text {PolyLog}\left (2,1-\frac {2}{1-a x}\right )}{2 a^4}-\frac {3 \tanh ^{-1}(a x) \text {PolyLog}\left (3,1-\frac {2}{1-a x}\right )}{2 a^4}-\frac {x^2 \tanh ^{-1}(a x)^3}{2 a^2}-\frac {\tanh ^{-1}(a x)^4}{4 a^4}+\frac {\tanh ^{-1}(a x)^3}{2 a^4}-\frac {3 x \tanh ^{-1}(a x)^2}{2 a^3}-\frac {3 \tanh ^{-1}(a x)^2}{2 a^4}+\frac {\log \left (\frac {2}{1-a x}\right ) \tanh ^{-1}(a x)^3}{a^4}+\frac {3 \log \left (\frac {2}{1-a x}\right ) \tanh ^{-1}(a x)}{a^4} \]
Antiderivative was successfully verified.
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Rule 2315
Rule 2402
Rule 5910
Rule 5916
Rule 5918
Rule 5948
Rule 5980
Rule 5984
Rule 6058
Rule 6062
Rule 6610
Rubi steps
\begin {align*} \int \frac {x^3 \tanh ^{-1}(a x)^3}{1-a^2 x^2} \, dx &=-\frac {\int x \tanh ^{-1}(a x)^3 \, dx}{a^2}+\frac {\int \frac {x \tanh ^{-1}(a x)^3}{1-a^2 x^2} \, dx}{a^2}\\ &=-\frac {x^2 \tanh ^{-1}(a x)^3}{2 a^2}-\frac {\tanh ^{-1}(a x)^4}{4 a^4}+\frac {\int \frac {\tanh ^{-1}(a x)^3}{1-a x} \, dx}{a^3}+\frac {3 \int \frac {x^2 \tanh ^{-1}(a x)^2}{1-a^2 x^2} \, dx}{2 a}\\ &=-\frac {x^2 \tanh ^{-1}(a x)^3}{2 a^2}-\frac {\tanh ^{-1}(a x)^4}{4 a^4}+\frac {\tanh ^{-1}(a x)^3 \log \left (\frac {2}{1-a x}\right )}{a^4}-\frac {3 \int \tanh ^{-1}(a x)^2 \, dx}{2 a^3}+\frac {3 \int \frac {\tanh ^{-1}(a x)^2}{1-a^2 x^2} \, dx}{2 a^3}-\frac {3 \int \frac {\tanh ^{-1}(a x)^2 \log \left (\frac {2}{1-a x}\right )}{1-a^2 x^2} \, dx}{a^3}\\ &=-\frac {3 x \tanh ^{-1}(a x)^2}{2 a^3}+\frac {\tanh ^{-1}(a x)^3}{2 a^4}-\frac {x^2 \tanh ^{-1}(a x)^3}{2 a^2}-\frac {\tanh ^{-1}(a x)^4}{4 a^4}+\frac {\tanh ^{-1}(a x)^3 \log \left (\frac {2}{1-a x}\right )}{a^4}+\frac {3 \tanh ^{-1}(a x)^2 \text {Li}_2\left (1-\frac {2}{1-a x}\right )}{2 a^4}-\frac {3 \int \frac {\tanh ^{-1}(a x) \text {Li}_2\left (1-\frac {2}{1-a x}\right )}{1-a^2 x^2} \, dx}{a^3}+\frac {3 \int \frac {x \tanh ^{-1}(a x)}{1-a^2 x^2} \, dx}{a^2}\\ &=-\frac {3 \tanh ^{-1}(a x)^2}{2 a^4}-\frac {3 x \tanh ^{-1}(a x)^2}{2 a^3}+\frac {\tanh ^{-1}(a x)^3}{2 a^4}-\frac {x^2 \tanh ^{-1}(a x)^3}{2 a^2}-\frac {\tanh ^{-1}(a x)^4}{4 a^4}+\frac {\tanh ^{-1}(a x)^3 \log \left (\frac {2}{1-a x}\right )}{a^4}+\frac {3 \tanh ^{-1}(a x)^2 \text {Li}_2\left (1-\frac {2}{1-a x}\right )}{2 a^4}-\frac {3 \tanh ^{-1}(a x) \text {Li}_3\left (1-\frac {2}{1-a x}\right )}{2 a^4}+\frac {3 \int \frac {\text {Li}_3\left (1-\frac {2}{1-a x}\right )}{1-a^2 x^2} \, dx}{2 a^3}+\frac {3 \int \frac {\tanh ^{-1}(a x)}{1-a x} \, dx}{a^3}\\ &=-\frac {3 \tanh ^{-1}(a x)^2}{2 a^4}-\frac {3 x \tanh ^{-1}(a x)^2}{2 a^3}+\frac {\tanh ^{-1}(a x)^3}{2 a^4}-\frac {x^2 \tanh ^{-1}(a x)^3}{2 a^2}-\frac {\tanh ^{-1}(a x)^4}{4 a^4}+\frac {3 \tanh ^{-1}(a x) \log \left (\frac {2}{1-a x}\right )}{a^4}+\frac {\tanh ^{-1}(a x)^3 \log \left (\frac {2}{1-a x}\right )}{a^4}+\frac {3 \tanh ^{-1}(a x)^2 \text {Li}_2\left (1-\frac {2}{1-a x}\right )}{2 a^4}-\frac {3 \tanh ^{-1}(a x) \text {Li}_3\left (1-\frac {2}{1-a x}\right )}{2 a^4}+\frac {3 \text {Li}_4\left (1-\frac {2}{1-a x}\right )}{4 a^4}-\frac {3 \int \frac {\log \left (\frac {2}{1-a x}\right )}{1-a^2 x^2} \, dx}{a^3}\\ &=-\frac {3 \tanh ^{-1}(a x)^2}{2 a^4}-\frac {3 x \tanh ^{-1}(a x)^2}{2 a^3}+\frac {\tanh ^{-1}(a x)^3}{2 a^4}-\frac {x^2 \tanh ^{-1}(a x)^3}{2 a^2}-\frac {\tanh ^{-1}(a x)^4}{4 a^4}+\frac {3 \tanh ^{-1}(a x) \log \left (\frac {2}{1-a x}\right )}{a^4}+\frac {\tanh ^{-1}(a x)^3 \log \left (\frac {2}{1-a x}\right )}{a^4}+\frac {3 \tanh ^{-1}(a x)^2 \text {Li}_2\left (1-\frac {2}{1-a x}\right )}{2 a^4}-\frac {3 \tanh ^{-1}(a x) \text {Li}_3\left (1-\frac {2}{1-a x}\right )}{2 a^4}+\frac {3 \text {Li}_4\left (1-\frac {2}{1-a x}\right )}{4 a^4}+\frac {3 \operatorname {Subst}\left (\int \frac {\log (2 x)}{1-2 x} \, dx,x,\frac {1}{1-a x}\right )}{a^4}\\ &=-\frac {3 \tanh ^{-1}(a x)^2}{2 a^4}-\frac {3 x \tanh ^{-1}(a x)^2}{2 a^3}+\frac {\tanh ^{-1}(a x)^3}{2 a^4}-\frac {x^2 \tanh ^{-1}(a x)^3}{2 a^2}-\frac {\tanh ^{-1}(a x)^4}{4 a^4}+\frac {3 \tanh ^{-1}(a x) \log \left (\frac {2}{1-a x}\right )}{a^4}+\frac {\tanh ^{-1}(a x)^3 \log \left (\frac {2}{1-a x}\right )}{a^4}+\frac {3 \text {Li}_2\left (1-\frac {2}{1-a x}\right )}{2 a^4}+\frac {3 \tanh ^{-1}(a x)^2 \text {Li}_2\left (1-\frac {2}{1-a x}\right )}{2 a^4}-\frac {3 \tanh ^{-1}(a x) \text {Li}_3\left (1-\frac {2}{1-a x}\right )}{2 a^4}+\frac {3 \text {Li}_4\left (1-\frac {2}{1-a x}\right )}{4 a^4}\\ \end {align*}
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Mathematica [A] time = 0.28, size = 142, normalized size = 0.69 \[ -\frac {-2 \left (1-a^2 x^2\right ) \tanh ^{-1}(a x)^3+6 \tanh ^{-1}(a x) \text {Li}_3\left (-e^{-2 \tanh ^{-1}(a x)}\right )+6 \left (\tanh ^{-1}(a x)^2+1\right ) \text {Li}_2\left (-e^{-2 \tanh ^{-1}(a x)}\right )+3 \text {Li}_4\left (-e^{-2 \tanh ^{-1}(a x)}\right )-\tanh ^{-1}(a x)^4+6 a x \tanh ^{-1}(a x)^2-6 \tanh ^{-1}(a x)^2-4 \tanh ^{-1}(a x)^3 \log \left (e^{-2 \tanh ^{-1}(a x)}+1\right )-12 \tanh ^{-1}(a x) \log \left (e^{-2 \tanh ^{-1}(a x)}+1\right )}{4 a^4} \]
Warning: Unable to verify antiderivative.
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fricas [F] time = 0.51, size = 0, normalized size = 0.00 \[ {\rm integral}\left (-\frac {x^{3} \operatorname {artanh}\left (a x\right )^{3}}{a^{2} x^{2} - 1}, x\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [F] time = 0.00, size = 0, normalized size = 0.00 \[ \int -\frac {x^{3} \operatorname {artanh}\left (a x\right )^{3}}{a^{2} x^{2} - 1}\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 3.15, size = 248, normalized size = 1.21 \[ -\frac {\arctanh \left (a x \right )^{4}}{4 a^{4}}-\frac {x^{2} \arctanh \left (a x \right )^{3}}{2 a^{2}}-\frac {3 x \arctanh \left (a x \right )^{2}}{2 a^{3}}+\frac {\arctanh \left (a x \right )^{3}}{2 a^{4}}-\frac {3 \arctanh \left (a x \right )^{2}}{2 a^{4}}+\frac {\arctanh \left (a x \right )^{3} \ln \left (1+\frac {\left (a x +1\right )^{2}}{-a^{2} x^{2}+1}\right )}{a^{4}}+\frac {3 \arctanh \left (a x \right )^{2} \polylog \left (2, -\frac {\left (a x +1\right )^{2}}{-a^{2} x^{2}+1}\right )}{2 a^{4}}-\frac {3 \arctanh \left (a x \right ) \polylog \left (3, -\frac {\left (a x +1\right )^{2}}{-a^{2} x^{2}+1}\right )}{2 a^{4}}+\frac {3 \polylog \left (4, -\frac {\left (a x +1\right )^{2}}{-a^{2} x^{2}+1}\right )}{4 a^{4}}+\frac {3 \arctanh \left (a x \right ) \ln \left (1+\frac {\left (a x +1\right )^{2}}{-a^{2} x^{2}+1}\right )}{a^{4}}+\frac {3 \polylog \left (2, -\frac {\left (a x +1\right )^{2}}{-a^{2} x^{2}+1}\right )}{2 a^{4}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [F] time = 0.00, size = 0, normalized size = 0.00 \[ \frac {4 \, {\left (a^{2} x^{2} + \log \left (a x + 1\right )\right )} \log \left (-a x + 1\right )^{3} + \log \left (-a x + 1\right )^{4}}{64 \, a^{4}} - \frac {1}{8} \, \int \frac {2 \, a^{3} x^{3} \log \left (a x + 1\right )^{3} - 6 \, a^{3} x^{3} \log \left (a x + 1\right )^{2} \log \left (-a x + 1\right ) + 3 \, {\left (a^{3} x^{3} + a^{2} x^{2} + {\left (2 \, a^{3} x^{3} + a x + 1\right )} \log \left (a x + 1\right )\right )} \log \left (-a x + 1\right )^{2}}{2 \, {\left (a^{5} x^{2} - a^{3}\right )}}\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [F] time = 0.00, size = -1, normalized size = -0.00 \[ -\int \frac {x^3\,{\mathrm {atanh}\left (a\,x\right )}^3}{a^2\,x^2-1} \,d x \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [F] time = 0.00, size = 0, normalized size = 0.00 \[ - \int \frac {x^{3} \operatorname {atanh}^{3}{\left (a x \right )}}{a^{2} x^{2} - 1}\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
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