Optimal. Leaf size=184 \[ \frac{3}{2} b^2 \text{PolyLog}\left (3,1-\frac{2}{1-c x}\right ) \left (a+b \tanh ^{-1}(c x)\right )-\frac{3}{2} b^2 \text{PolyLog}\left (3,\frac{2}{1-c x}-1\right ) \left (a+b \tanh ^{-1}(c x)\right )-\frac{3}{2} b \text{PolyLog}\left (2,1-\frac{2}{1-c x}\right ) \left (a+b \tanh ^{-1}(c x)\right )^2+\frac{3}{2} b \text{PolyLog}\left (2,\frac{2}{1-c x}-1\right ) \left (a+b \tanh ^{-1}(c x)\right )^2-\frac{3}{4} b^3 \text{PolyLog}\left (4,1-\frac{2}{1-c x}\right )+\frac{3}{4} b^3 \text{PolyLog}\left (4,\frac{2}{1-c x}-1\right )+2 \tanh ^{-1}\left (1-\frac{2}{1-c x}\right ) \left (a+b \tanh ^{-1}(c x)\right )^3 \]
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Rubi [A] time = 0.448718, antiderivative size = 184, normalized size of antiderivative = 1., number of steps used = 8, number of rules used = 6, integrand size = 14, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.429, Rules used = {5914, 6052, 5948, 6058, 6062, 6610} \[ \frac{3}{2} b^2 \text{PolyLog}\left (3,1-\frac{2}{1-c x}\right ) \left (a+b \tanh ^{-1}(c x)\right )-\frac{3}{2} b^2 \text{PolyLog}\left (3,\frac{2}{1-c x}-1\right ) \left (a+b \tanh ^{-1}(c x)\right )-\frac{3}{2} b \text{PolyLog}\left (2,1-\frac{2}{1-c x}\right ) \left (a+b \tanh ^{-1}(c x)\right )^2+\frac{3}{2} b \text{PolyLog}\left (2,\frac{2}{1-c x}-1\right ) \left (a+b \tanh ^{-1}(c x)\right )^2-\frac{3}{4} b^3 \text{PolyLog}\left (4,1-\frac{2}{1-c x}\right )+\frac{3}{4} b^3 \text{PolyLog}\left (4,\frac{2}{1-c x}-1\right )+2 \tanh ^{-1}\left (1-\frac{2}{1-c x}\right ) \left (a+b \tanh ^{-1}(c x)\right )^3 \]
Antiderivative was successfully verified.
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Rule 5914
Rule 6052
Rule 5948
Rule 6058
Rule 6062
Rule 6610
Rubi steps
\begin{align*} \int \frac{\left (a+b \tanh ^{-1}(c x)\right )^3}{x} \, dx &=2 \left (a+b \tanh ^{-1}(c x)\right )^3 \tanh ^{-1}\left (1-\frac{2}{1-c x}\right )-(6 b c) \int \frac{\left (a+b \tanh ^{-1}(c x)\right )^2 \tanh ^{-1}\left (1-\frac{2}{1-c x}\right )}{1-c^2 x^2} \, dx\\ &=2 \left (a+b \tanh ^{-1}(c x)\right )^3 \tanh ^{-1}\left (1-\frac{2}{1-c x}\right )+(3 b c) \int \frac{\left (a+b \tanh ^{-1}(c x)\right )^2 \log \left (\frac{2}{1-c x}\right )}{1-c^2 x^2} \, dx-(3 b c) \int \frac{\left (a+b \tanh ^{-1}(c x)\right )^2 \log \left (2-\frac{2}{1-c x}\right )}{1-c^2 x^2} \, dx\\ &=2 \left (a+b \tanh ^{-1}(c x)\right )^3 \tanh ^{-1}\left (1-\frac{2}{1-c x}\right )-\frac{3}{2} b \left (a+b \tanh ^{-1}(c x)\right )^2 \text{Li}_2\left (1-\frac{2}{1-c x}\right )+\frac{3}{2} b \left (a+b \tanh ^{-1}(c x)\right )^2 \text{Li}_2\left (-1+\frac{2}{1-c x}\right )+\left (3 b^2 c\right ) \int \frac{\left (a+b \tanh ^{-1}(c x)\right ) \text{Li}_2\left (1-\frac{2}{1-c x}\right )}{1-c^2 x^2} \, dx-\left (3 b^2 c\right ) \int \frac{\left (a+b \tanh ^{-1}(c x)\right ) \text{Li}_2\left (-1+\frac{2}{1-c x}\right )}{1-c^2 x^2} \, dx\\ &=2 \left (a+b \tanh ^{-1}(c x)\right )^3 \tanh ^{-1}\left (1-\frac{2}{1-c x}\right )-\frac{3}{2} b \left (a+b \tanh ^{-1}(c x)\right )^2 \text{Li}_2\left (1-\frac{2}{1-c x}\right )+\frac{3}{2} b \left (a+b \tanh ^{-1}(c x)\right )^2 \text{Li}_2\left (-1+\frac{2}{1-c x}\right )+\frac{3}{2} b^2 \left (a+b \tanh ^{-1}(c x)\right ) \text{Li}_3\left (1-\frac{2}{1-c x}\right )-\frac{3}{2} b^2 \left (a+b \tanh ^{-1}(c x)\right ) \text{Li}_3\left (-1+\frac{2}{1-c x}\right )-\frac{1}{2} \left (3 b^3 c\right ) \int \frac{\text{Li}_3\left (1-\frac{2}{1-c x}\right )}{1-c^2 x^2} \, dx+\frac{1}{2} \left (3 b^3 c\right ) \int \frac{\text{Li}_3\left (-1+\frac{2}{1-c x}\right )}{1-c^2 x^2} \, dx\\ &=2 \left (a+b \tanh ^{-1}(c x)\right )^3 \tanh ^{-1}\left (1-\frac{2}{1-c x}\right )-\frac{3}{2} b \left (a+b \tanh ^{-1}(c x)\right )^2 \text{Li}_2\left (1-\frac{2}{1-c x}\right )+\frac{3}{2} b \left (a+b \tanh ^{-1}(c x)\right )^2 \text{Li}_2\left (-1+\frac{2}{1-c x}\right )+\frac{3}{2} b^2 \left (a+b \tanh ^{-1}(c x)\right ) \text{Li}_3\left (1-\frac{2}{1-c x}\right )-\frac{3}{2} b^2 \left (a+b \tanh ^{-1}(c x)\right ) \text{Li}_3\left (-1+\frac{2}{1-c x}\right )-\frac{3}{4} b^3 \text{Li}_4\left (1-\frac{2}{1-c x}\right )+\frac{3}{4} b^3 \text{Li}_4\left (-1+\frac{2}{1-c x}\right )\\ \end{align*}
Mathematica [A] time = 0.127977, size = 178, normalized size = 0.97 \[ \frac{3}{4} b \left (2 \text{PolyLog}\left (2,\frac{c x+1}{1-c x}\right ) \left (a+b \tanh ^{-1}(c x)\right )^2-2 \text{PolyLog}\left (2,\frac{c x+1}{c x-1}\right ) \left (a+b \tanh ^{-1}(c x)\right )^2+b \left (-2 \text{PolyLog}\left (3,\frac{c x+1}{1-c x}\right ) \left (a+b \tanh ^{-1}(c x)\right )+2 \text{PolyLog}\left (3,\frac{c x+1}{c x-1}\right ) \left (a+b \tanh ^{-1}(c x)\right )+b \left (\text{PolyLog}\left (4,\frac{c x+1}{1-c x}\right )-\text{PolyLog}\left (4,\frac{c x+1}{c x-1}\right )\right )\right )\right )+2 \tanh ^{-1}\left (\frac{c x+1}{c x-1}\right ) \left (a+b \tanh ^{-1}(c x)\right )^3 \]
Antiderivative was successfully verified.
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Maple [C] time = 0.113, size = 1470, normalized size = 8. \begin{align*} \text{result too large to display} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F] time = 0., size = 0, normalized size = 0. \begin{align*} a^{3} \log \left (x\right ) + \int \frac{b^{3}{\left (\log \left (c x + 1\right ) - \log \left (-c x + 1\right )\right )}^{3}}{8 \, x} + \frac{3 \, a b^{2}{\left (\log \left (c x + 1\right ) - \log \left (-c x + 1\right )\right )}^{2}}{4 \, x} + \frac{3 \, a^{2} b{\left (\log \left (c x + 1\right ) - \log \left (-c x + 1\right )\right )}}{2 \, x}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [F] time = 0., size = 0, normalized size = 0. \begin{align*}{\rm integral}\left (\frac{b^{3} \operatorname{artanh}\left (c x\right )^{3} + 3 \, a b^{2} \operatorname{artanh}\left (c x\right )^{2} + 3 \, a^{2} b \operatorname{artanh}\left (c x\right ) + a^{3}}{x}, x\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{\left (a + b \operatorname{atanh}{\left (c x \right )}\right )^{3}}{x}\, dx \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 \frac{{\left (b \operatorname{artanh}\left (c x\right ) + a\right )}^{3}}{x}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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