Optimal. Leaf size=276 \[ -\frac{3}{2} i c \text{PolyLog}\left (2,1-\frac{2}{1+i a x}\right )+\frac{3}{4} i c \text{PolyLog}\left (4,1-\frac{2}{1+i a x}\right )-\frac{3}{4} i c \text{PolyLog}\left (4,-1+\frac{2}{1+i a x}\right )-\frac{3}{2} i c \tan ^{-1}(a x)^2 \text{PolyLog}\left (2,1-\frac{2}{1+i a x}\right )+\frac{3}{2} i c \tan ^{-1}(a x)^2 \text{PolyLog}\left (2,-1+\frac{2}{1+i a x}\right )-\frac{3}{2} c \tan ^{-1}(a x) \text{PolyLog}\left (3,1-\frac{2}{1+i a x}\right )+\frac{3}{2} c \tan ^{-1}(a x) \text{PolyLog}\left (3,-1+\frac{2}{1+i a x}\right )+\frac{1}{2} a^2 c x^2 \tan ^{-1}(a x)^3+\frac{1}{2} c \tan ^{-1}(a x)^3-\frac{3}{2} i c \tan ^{-1}(a x)^2-\frac{3}{2} a c x \tan ^{-1}(a x)^2-3 c \log \left (\frac{2}{1+i a x}\right ) \tan ^{-1}(a x)+2 c \tan ^{-1}(a x)^3 \tanh ^{-1}\left (1-\frac{2}{1+i a x}\right ) \]
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Rubi [A] time = 0.522815, antiderivative size = 276, normalized size of antiderivative = 1., number of steps used = 17, number of rules used = 14, integrand size = 20, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.7, Rules used = {4950, 4850, 4988, 4884, 4994, 4998, 6610, 4852, 4916, 4846, 4920, 4854, 2402, 2315} \[ -\frac{3}{2} i c \text{PolyLog}\left (2,1-\frac{2}{1+i a x}\right )+\frac{3}{4} i c \text{PolyLog}\left (4,1-\frac{2}{1+i a x}\right )-\frac{3}{4} i c \text{PolyLog}\left (4,-1+\frac{2}{1+i a x}\right )-\frac{3}{2} i c \tan ^{-1}(a x)^2 \text{PolyLog}\left (2,1-\frac{2}{1+i a x}\right )+\frac{3}{2} i c \tan ^{-1}(a x)^2 \text{PolyLog}\left (2,-1+\frac{2}{1+i a x}\right )-\frac{3}{2} c \tan ^{-1}(a x) \text{PolyLog}\left (3,1-\frac{2}{1+i a x}\right )+\frac{3}{2} c \tan ^{-1}(a x) \text{PolyLog}\left (3,-1+\frac{2}{1+i a x}\right )+\frac{1}{2} a^2 c x^2 \tan ^{-1}(a x)^3+\frac{1}{2} c \tan ^{-1}(a x)^3-\frac{3}{2} i c \tan ^{-1}(a x)^2-\frac{3}{2} a c x \tan ^{-1}(a x)^2-3 c \log \left (\frac{2}{1+i a x}\right ) \tan ^{-1}(a x)+2 c \tan ^{-1}(a x)^3 \tanh ^{-1}\left (1-\frac{2}{1+i a x}\right ) \]
Antiderivative was successfully verified.
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Rule 4950
Rule 4850
Rule 4988
Rule 4884
Rule 4994
Rule 4998
Rule 6610
Rule 4852
Rule 4916
Rule 4846
Rule 4920
Rule 4854
Rule 2402
Rule 2315
Rubi steps
\begin{align*} \int \frac{\left (c+a^2 c x^2\right ) \tan ^{-1}(a x)^3}{x} \, dx &=c \int \frac{\tan ^{-1}(a x)^3}{x} \, dx+\left (a^2 c\right ) \int x \tan ^{-1}(a x)^3 \, dx\\ &=\frac{1}{2} a^2 c x^2 \tan ^{-1}(a x)^3+2 c \tan ^{-1}(a x)^3 \tanh ^{-1}\left (1-\frac{2}{1+i a x}\right )-(6 a c) \int \frac{\tan ^{-1}(a x)^2 \tanh ^{-1}\left (1-\frac{2}{1+i a x}\right )}{1+a^2 x^2} \, dx-\frac{1}{2} \left (3 a^3 c\right ) \int \frac{x^2 \tan ^{-1}(a x)^2}{1+a^2 x^2} \, dx\\ &=\frac{1}{2} a^2 c x^2 \tan ^{-1}(a x)^3+2 c \tan ^{-1}(a x)^3 \tanh ^{-1}\left (1-\frac{2}{1+i a x}\right )-\frac{1}{2} (3 a c) \int \tan ^{-1}(a x)^2 \, dx+\frac{1}{2} (3 a c) \int \frac{\tan ^{-1}(a x)^2}{1+a^2 x^2} \, dx+(3 a c) \int \frac{\tan ^{-1}(a x)^2 \log \left (\frac{2}{1+i a x}\right )}{1+a^2 x^2} \, dx-(3 a c) \int \frac{\tan ^{-1}(a x)^2 \log \left (2-\frac{2}{1+i a x}\right )}{1+a^2 x^2} \, dx\\ &=-\frac{3}{2} a c x \tan ^{-1}(a x)^2+\frac{1}{2} c \tan ^{-1}(a x)^3+\frac{1}{2} a^2 c x^2 \tan ^{-1}(a x)^3+2 c \tan ^{-1}(a x)^3 \tanh ^{-1}\left (1-\frac{2}{1+i a x}\right )-\frac{3}{2} i c \tan ^{-1}(a x)^2 \text{Li}_2\left (1-\frac{2}{1+i a x}\right )+\frac{3}{2} i c \tan ^{-1}(a x)^2 \text{Li}_2\left (-1+\frac{2}{1+i a x}\right )+(3 i a c) \int \frac{\tan ^{-1}(a x) \text{Li}_2\left (1-\frac{2}{1+i a x}\right )}{1+a^2 x^2} \, dx-(3 i a c) \int \frac{\tan ^{-1}(a x) \text{Li}_2\left (-1+\frac{2}{1+i a x}\right )}{1+a^2 x^2} \, dx+\left (3 a^2 c\right ) \int \frac{x \tan ^{-1}(a x)}{1+a^2 x^2} \, dx\\ &=-\frac{3}{2} i c \tan ^{-1}(a x)^2-\frac{3}{2} a c x \tan ^{-1}(a x)^2+\frac{1}{2} c \tan ^{-1}(a x)^3+\frac{1}{2} a^2 c x^2 \tan ^{-1}(a x)^3+2 c \tan ^{-1}(a x)^3 \tanh ^{-1}\left (1-\frac{2}{1+i a x}\right )-\frac{3}{2} i c \tan ^{-1}(a x)^2 \text{Li}_2\left (1-\frac{2}{1+i a x}\right )+\frac{3}{2} i c \tan ^{-1}(a x)^2 \text{Li}_2\left (-1+\frac{2}{1+i a x}\right )-\frac{3}{2} c \tan ^{-1}(a x) \text{Li}_3\left (1-\frac{2}{1+i a x}\right )+\frac{3}{2} c \tan ^{-1}(a x) \text{Li}_3\left (-1+\frac{2}{1+i a x}\right )+\frac{1}{2} (3 a c) \int \frac{\text{Li}_3\left (1-\frac{2}{1+i a x}\right )}{1+a^2 x^2} \, dx-\frac{1}{2} (3 a c) \int \frac{\text{Li}_3\left (-1+\frac{2}{1+i a x}\right )}{1+a^2 x^2} \, dx-(3 a c) \int \frac{\tan ^{-1}(a x)}{i-a x} \, dx\\ &=-\frac{3}{2} i c \tan ^{-1}(a x)^2-\frac{3}{2} a c x \tan ^{-1}(a x)^2+\frac{1}{2} c \tan ^{-1}(a x)^3+\frac{1}{2} a^2 c x^2 \tan ^{-1}(a x)^3+2 c \tan ^{-1}(a x)^3 \tanh ^{-1}\left (1-\frac{2}{1+i a x}\right )-3 c \tan ^{-1}(a x) \log \left (\frac{2}{1+i a x}\right )-\frac{3}{2} i c \tan ^{-1}(a x)^2 \text{Li}_2\left (1-\frac{2}{1+i a x}\right )+\frac{3}{2} i c \tan ^{-1}(a x)^2 \text{Li}_2\left (-1+\frac{2}{1+i a x}\right )-\frac{3}{2} c \tan ^{-1}(a x) \text{Li}_3\left (1-\frac{2}{1+i a x}\right )+\frac{3}{2} c \tan ^{-1}(a x) \text{Li}_3\left (-1+\frac{2}{1+i a x}\right )+\frac{3}{4} i c \text{Li}_4\left (1-\frac{2}{1+i a x}\right )-\frac{3}{4} i c \text{Li}_4\left (-1+\frac{2}{1+i a x}\right )+(3 a c) \int \frac{\log \left (\frac{2}{1+i a x}\right )}{1+a^2 x^2} \, dx\\ &=-\frac{3}{2} i c \tan ^{-1}(a x)^2-\frac{3}{2} a c x \tan ^{-1}(a x)^2+\frac{1}{2} c \tan ^{-1}(a x)^3+\frac{1}{2} a^2 c x^2 \tan ^{-1}(a x)^3+2 c \tan ^{-1}(a x)^3 \tanh ^{-1}\left (1-\frac{2}{1+i a x}\right )-3 c \tan ^{-1}(a x) \log \left (\frac{2}{1+i a x}\right )-\frac{3}{2} i c \tan ^{-1}(a x)^2 \text{Li}_2\left (1-\frac{2}{1+i a x}\right )+\frac{3}{2} i c \tan ^{-1}(a x)^2 \text{Li}_2\left (-1+\frac{2}{1+i a x}\right )-\frac{3}{2} c \tan ^{-1}(a x) \text{Li}_3\left (1-\frac{2}{1+i a x}\right )+\frac{3}{2} c \tan ^{-1}(a x) \text{Li}_3\left (-1+\frac{2}{1+i a x}\right )+\frac{3}{4} i c \text{Li}_4\left (1-\frac{2}{1+i a x}\right )-\frac{3}{4} i c \text{Li}_4\left (-1+\frac{2}{1+i a x}\right )-(3 i c) \operatorname{Subst}\left (\int \frac{\log (2 x)}{1-2 x} \, dx,x,\frac{1}{1+i a x}\right )\\ &=-\frac{3}{2} i c \tan ^{-1}(a x)^2-\frac{3}{2} a c x \tan ^{-1}(a x)^2+\frac{1}{2} c \tan ^{-1}(a x)^3+\frac{1}{2} a^2 c x^2 \tan ^{-1}(a x)^3+2 c \tan ^{-1}(a x)^3 \tanh ^{-1}\left (1-\frac{2}{1+i a x}\right )-3 c \tan ^{-1}(a x) \log \left (\frac{2}{1+i a x}\right )-\frac{3}{2} i c \text{Li}_2\left (1-\frac{2}{1+i a x}\right )-\frac{3}{2} i c \tan ^{-1}(a x)^2 \text{Li}_2\left (1-\frac{2}{1+i a x}\right )+\frac{3}{2} i c \tan ^{-1}(a x)^2 \text{Li}_2\left (-1+\frac{2}{1+i a x}\right )-\frac{3}{2} c \tan ^{-1}(a x) \text{Li}_3\left (1-\frac{2}{1+i a x}\right )+\frac{3}{2} c \tan ^{-1}(a x) \text{Li}_3\left (-1+\frac{2}{1+i a x}\right )+\frac{3}{4} i c \text{Li}_4\left (1-\frac{2}{1+i a x}\right )-\frac{3}{4} i c \text{Li}_4\left (-1+\frac{2}{1+i a x}\right )\\ \end{align*}
Mathematica [A] time = 0.0709174, size = 284, normalized size = 1.03 \[ -\frac{3}{4} i c \text{PolyLog}\left (4,\frac{-a x-i}{a x-i}\right )+\frac{3}{4} i c \text{PolyLog}\left (4,\frac{a x+i}{a x-i}\right )+\frac{3}{2} i c \tan ^{-1}(a x)^2 \text{PolyLog}\left (2,\frac{-a x-i}{a x-i}\right )-\frac{3}{2} i c \tan ^{-1}(a x)^2 \text{PolyLog}\left (2,\frac{a x+i}{a x-i}\right )+\frac{3}{2} c \tan ^{-1}(a x) \text{PolyLog}\left (3,\frac{-a x-i}{a x-i}\right )-\frac{3}{2} c \tan ^{-1}(a x) \text{PolyLog}\left (3,\frac{a x+i}{a x-i}\right )-\frac{3}{2} c \left (-i \text{PolyLog}\left (2,-e^{2 i \tan ^{-1}(a x)}\right )+a x \tan ^{-1}(a x)^2-i \tan ^{-1}(a x)^2+2 \tan ^{-1}(a x) \log \left (1+e^{2 i \tan ^{-1}(a x)}\right )\right )+\frac{1}{2} c \left (a^2 x^2+1\right ) \tan ^{-1}(a x)^3+2 c \tan ^{-1}(a x)^3 \tanh ^{-1}\left (1-\frac{2 i}{-a x+i}\right ) \]
Warning: Unable to verify antiderivative.
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Maple [A] time = 1.325, size = 460, normalized size = 1.7 \begin{align*}{\frac{c \left ( \arctan \left ( ax \right ) \right ) ^{2} \left ( -i\arctan \left ( ax \right ) +\arctan \left ( ax \right ) xa-3 \right ) \left ( ax+i \right ) }{2}}+6\,ic{\it polylog} \left ( 4,{(1+iax){\frac{1}{\sqrt{{a}^{2}{x}^{2}+1}}}} \right ) -3\,c\arctan \left ( ax \right ) \ln \left ({\frac{ \left ( 1+iax \right ) ^{2}}{{a}^{2}{x}^{2}+1}}+1 \right ) +{\frac{3\,i}{2}}c{\it polylog} \left ( 2,-{\frac{ \left ( 1+iax \right ) ^{2}}{{a}^{2}{x}^{2}+1}} \right ) +c \left ( \arctan \left ( ax \right ) \right ) ^{3}\ln \left ( 1-{(1+iax){\frac{1}{\sqrt{{a}^{2}{x}^{2}+1}}}} \right ) +3\,ic \left ( \arctan \left ( ax \right ) \right ) ^{2}+6\,c\arctan \left ( ax \right ){\it polylog} \left ( 3,{\frac{1+iax}{\sqrt{{a}^{2}{x}^{2}+1}}} \right ) +6\,ic{\it polylog} \left ( 4,-{(1+iax){\frac{1}{\sqrt{{a}^{2}{x}^{2}+1}}}} \right ) +c \left ( \arctan \left ( ax \right ) \right ) ^{3}\ln \left ( 1+{(1+iax){\frac{1}{\sqrt{{a}^{2}{x}^{2}+1}}}} \right ) -3\,ic \left ( \arctan \left ( ax \right ) \right ) ^{2}{\it polylog} \left ( 2,{(1+iax){\frac{1}{\sqrt{{a}^{2}{x}^{2}+1}}}} \right ) +6\,c\arctan \left ( ax \right ){\it polylog} \left ( 3,-{\frac{1+iax}{\sqrt{{a}^{2}{x}^{2}+1}}} \right ) -3\,ic \left ( \arctan \left ( ax \right ) \right ) ^{2}{\it polylog} \left ( 2,-{(1+iax){\frac{1}{\sqrt{{a}^{2}{x}^{2}+1}}}} \right ) -c \left ( \arctan \left ( ax \right ) \right ) ^{3}\ln \left ({\frac{ \left ( 1+iax \right ) ^{2}}{{a}^{2}{x}^{2}+1}}+1 \right ) +{\frac{3\,i}{2}}c \left ( \arctan \left ( ax \right ) \right ) ^{2}{\it polylog} \left ( 2,-{\frac{ \left ( 1+iax \right ) ^{2}}{{a}^{2}{x}^{2}+1}} \right ) -{\frac{3\,c\arctan \left ( ax \right ) }{2}{\it polylog} \left ( 3,-{\frac{ \left ( 1+iax \right ) ^{2}}{{a}^{2}{x}^{2}+1}} \right ) }-{\frac{3\,i}{4}}c{\it polylog} \left ( 4,-{\frac{ \left ( 1+iax \right ) ^{2}}{{a}^{2}{x}^{2}+1}} \right ) \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*} \frac{1}{16} \, a^{2} c x^{2} \arctan \left (a x\right )^{3} - \frac{3}{64} \, a^{2} c x^{2} \arctan \left (a x\right ) \log \left (a^{2} x^{2} + 1\right )^{2} + \int \frac{12 \, a^{4} c x^{4} \arctan \left (a x\right ) \log \left (a^{2} x^{2} + 1\right ) - 12 \, a^{3} c x^{3} \arctan \left (a x\right )^{2} + 56 \,{\left (a^{4} c x^{4} + 2 \, a^{2} c x^{2} + c\right )} \arctan \left (a x\right )^{3} + 3 \,{\left (a^{3} c x^{3} + 2 \,{\left (a^{4} c x^{4} + 2 \, a^{2} c x^{2} + c\right )} \arctan \left (a x\right )\right )} \log \left (a^{2} x^{2} + 1\right )^{2}}{64 \,{\left (a^{2} x^{3} + x\right )}}\,{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{{\left (a^{2} c x^{2} + c\right )} \arctan \left (a x\right )^{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*} c \left (\int \frac{\operatorname{atan}^{3}{\left (a x \right )}}{x}\, dx + \int a^{2} x \operatorname{atan}^{3}{\left (a x \right )}\, dx\right ) \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 (a^{2} c x^{2} + c\right )} \arctan \left (a x\right )^{3}}{x}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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