Optimal. Leaf size=262 \[ -\frac{3 i a^2 \text{PolyLog}\left (2,-1+\frac{2}{1-i a x}\right )}{2 c}-\frac{3 i a^2 \text{PolyLog}\left (4,-1+\frac{2}{1-i a x}\right )}{4 c}+\frac{3 i a^2 \tan ^{-1}(a x)^2 \text{PolyLog}\left (2,-1+\frac{2}{1-i a x}\right )}{2 c}-\frac{3 a^2 \tan ^{-1}(a x) \text{PolyLog}\left (3,-1+\frac{2}{1-i a x}\right )}{2 c}+\frac{i a^2 \tan ^{-1}(a x)^4}{4 c}-\frac{a^2 \tan ^{-1}(a x)^3}{2 c}-\frac{3 i a^2 \tan ^{-1}(a x)^2}{2 c}-\frac{a^2 \log \left (2-\frac{2}{1-i a x}\right ) \tan ^{-1}(a x)^3}{c}+\frac{3 a^2 \log \left (2-\frac{2}{1-i a x}\right ) \tan ^{-1}(a x)}{c}-\frac{\tan ^{-1}(a x)^3}{2 c x^2}-\frac{3 a \tan ^{-1}(a x)^2}{2 c x} \]
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Rubi [A] time = 0.510552, antiderivative size = 262, normalized size of antiderivative = 1., number of steps used = 13, number of rules used = 9, integrand size = 22, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.409, Rules used = {4918, 4852, 4924, 4868, 2447, 4884, 4992, 4996, 6610} \[ -\frac{3 i a^2 \text{PolyLog}\left (2,-1+\frac{2}{1-i a x}\right )}{2 c}-\frac{3 i a^2 \text{PolyLog}\left (4,-1+\frac{2}{1-i a x}\right )}{4 c}+\frac{3 i a^2 \tan ^{-1}(a x)^2 \text{PolyLog}\left (2,-1+\frac{2}{1-i a x}\right )}{2 c}-\frac{3 a^2 \tan ^{-1}(a x) \text{PolyLog}\left (3,-1+\frac{2}{1-i a x}\right )}{2 c}+\frac{i a^2 \tan ^{-1}(a x)^4}{4 c}-\frac{a^2 \tan ^{-1}(a x)^3}{2 c}-\frac{3 i a^2 \tan ^{-1}(a x)^2}{2 c}-\frac{a^2 \log \left (2-\frac{2}{1-i a x}\right ) \tan ^{-1}(a x)^3}{c}+\frac{3 a^2 \log \left (2-\frac{2}{1-i a x}\right ) \tan ^{-1}(a x)}{c}-\frac{\tan ^{-1}(a x)^3}{2 c x^2}-\frac{3 a \tan ^{-1}(a x)^2}{2 c x} \]
Antiderivative was successfully verified.
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Rule 4918
Rule 4852
Rule 4924
Rule 4868
Rule 2447
Rule 4884
Rule 4992
Rule 4996
Rule 6610
Rubi steps
\begin{align*} \int \frac{\tan ^{-1}(a x)^3}{x^3 \left (c+a^2 c x^2\right )} \, dx &=-\left (a^2 \int \frac{\tan ^{-1}(a x)^3}{x \left (c+a^2 c x^2\right )} \, dx\right )+\frac{\int \frac{\tan ^{-1}(a x)^3}{x^3} \, dx}{c}\\ &=-\frac{\tan ^{-1}(a x)^3}{2 c x^2}+\frac{i a^2 \tan ^{-1}(a x)^4}{4 c}+\frac{(3 a) \int \frac{\tan ^{-1}(a x)^2}{x^2 \left (1+a^2 x^2\right )} \, dx}{2 c}-\frac{\left (i a^2\right ) \int \frac{\tan ^{-1}(a x)^3}{x (i+a x)} \, dx}{c}\\ &=-\frac{\tan ^{-1}(a x)^3}{2 c x^2}+\frac{i a^2 \tan ^{-1}(a x)^4}{4 c}-\frac{a^2 \tan ^{-1}(a x)^3 \log \left (2-\frac{2}{1-i a x}\right )}{c}+\frac{(3 a) \int \frac{\tan ^{-1}(a x)^2}{x^2} \, dx}{2 c}-\frac{\left (3 a^3\right ) \int \frac{\tan ^{-1}(a x)^2}{1+a^2 x^2} \, dx}{2 c}+\frac{\left (3 a^3\right ) \int \frac{\tan ^{-1}(a x)^2 \log \left (2-\frac{2}{1-i a x}\right )}{1+a^2 x^2} \, dx}{c}\\ &=-\frac{3 a \tan ^{-1}(a x)^2}{2 c x}-\frac{a^2 \tan ^{-1}(a x)^3}{2 c}-\frac{\tan ^{-1}(a x)^3}{2 c x^2}+\frac{i a^2 \tan ^{-1}(a x)^4}{4 c}-\frac{a^2 \tan ^{-1}(a x)^3 \log \left (2-\frac{2}{1-i a x}\right )}{c}+\frac{3 i a^2 \tan ^{-1}(a x)^2 \text{Li}_2\left (-1+\frac{2}{1-i a x}\right )}{2 c}+\frac{\left (3 a^2\right ) \int \frac{\tan ^{-1}(a x)}{x \left (1+a^2 x^2\right )} \, dx}{c}-\frac{\left (3 i a^3\right ) \int \frac{\tan ^{-1}(a x) \text{Li}_2\left (-1+\frac{2}{1-i a x}\right )}{1+a^2 x^2} \, dx}{c}\\ &=-\frac{3 i a^2 \tan ^{-1}(a x)^2}{2 c}-\frac{3 a \tan ^{-1}(a x)^2}{2 c x}-\frac{a^2 \tan ^{-1}(a x)^3}{2 c}-\frac{\tan ^{-1}(a x)^3}{2 c x^2}+\frac{i a^2 \tan ^{-1}(a x)^4}{4 c}-\frac{a^2 \tan ^{-1}(a x)^3 \log \left (2-\frac{2}{1-i a x}\right )}{c}+\frac{3 i a^2 \tan ^{-1}(a x)^2 \text{Li}_2\left (-1+\frac{2}{1-i a x}\right )}{2 c}-\frac{3 a^2 \tan ^{-1}(a x) \text{Li}_3\left (-1+\frac{2}{1-i a x}\right )}{2 c}+\frac{\left (3 i a^2\right ) \int \frac{\tan ^{-1}(a x)}{x (i+a x)} \, dx}{c}+\frac{\left (3 a^3\right ) \int \frac{\text{Li}_3\left (-1+\frac{2}{1-i a x}\right )}{1+a^2 x^2} \, dx}{2 c}\\ &=-\frac{3 i a^2 \tan ^{-1}(a x)^2}{2 c}-\frac{3 a \tan ^{-1}(a x)^2}{2 c x}-\frac{a^2 \tan ^{-1}(a x)^3}{2 c}-\frac{\tan ^{-1}(a x)^3}{2 c x^2}+\frac{i a^2 \tan ^{-1}(a x)^4}{4 c}+\frac{3 a^2 \tan ^{-1}(a x) \log \left (2-\frac{2}{1-i a x}\right )}{c}-\frac{a^2 \tan ^{-1}(a x)^3 \log \left (2-\frac{2}{1-i a x}\right )}{c}+\frac{3 i a^2 \tan ^{-1}(a x)^2 \text{Li}_2\left (-1+\frac{2}{1-i a x}\right )}{2 c}-\frac{3 a^2 \tan ^{-1}(a x) \text{Li}_3\left (-1+\frac{2}{1-i a x}\right )}{2 c}-\frac{3 i a^2 \text{Li}_4\left (-1+\frac{2}{1-i a x}\right )}{4 c}-\frac{\left (3 a^3\right ) \int \frac{\log \left (2-\frac{2}{1-i a x}\right )}{1+a^2 x^2} \, dx}{c}\\ &=-\frac{3 i a^2 \tan ^{-1}(a x)^2}{2 c}-\frac{3 a \tan ^{-1}(a x)^2}{2 c x}-\frac{a^2 \tan ^{-1}(a x)^3}{2 c}-\frac{\tan ^{-1}(a x)^3}{2 c x^2}+\frac{i a^2 \tan ^{-1}(a x)^4}{4 c}+\frac{3 a^2 \tan ^{-1}(a x) \log \left (2-\frac{2}{1-i a x}\right )}{c}-\frac{a^2 \tan ^{-1}(a x)^3 \log \left (2-\frac{2}{1-i a x}\right )}{c}-\frac{3 i a^2 \text{Li}_2\left (-1+\frac{2}{1-i a x}\right )}{2 c}+\frac{3 i a^2 \tan ^{-1}(a x)^2 \text{Li}_2\left (-1+\frac{2}{1-i a x}\right )}{2 c}-\frac{3 a^2 \tan ^{-1}(a x) \text{Li}_3\left (-1+\frac{2}{1-i a x}\right )}{2 c}-\frac{3 i a^2 \text{Li}_4\left (-1+\frac{2}{1-i a x}\right )}{4 c}\\ \end{align*}
Mathematica [A] time = 0.397151, size = 189, normalized size = 0.72 \[ \frac{i a^2 \left (-96 \tan ^{-1}(a x)^2 \text{PolyLog}\left (2,e^{-2 i \tan ^{-1}(a x)}\right )+96 i \tan ^{-1}(a x) \text{PolyLog}\left (3,e^{-2 i \tan ^{-1}(a x)}\right )-96 \text{PolyLog}\left (2,e^{2 i \tan ^{-1}(a x)}\right )+48 \text{PolyLog}\left (4,e^{-2 i \tan ^{-1}(a x)}\right )+\frac{32 i \left (a^2 x^2+1\right ) \tan ^{-1}(a x)^3}{a^2 x^2}-16 \tan ^{-1}(a x)^4+\frac{96 i \tan ^{-1}(a x)^2}{a x}-96 \tan ^{-1}(a x)^2+64 i \tan ^{-1}(a x)^3 \log \left (1-e^{-2 i \tan ^{-1}(a x)}\right )-192 i \tan ^{-1}(a x) \log \left (1-e^{2 i \tan ^{-1}(a x)}\right )+\pi ^4\right )}{64 c} \]
Warning: Unable to verify antiderivative.
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Maple [B] time = 7.375, size = 479, normalized size = 1.8 \begin{align*}{\frac{-{\frac{3\,i}{2}}{a}^{2} \left ( \arctan \left ( ax \right ) \right ) ^{2}}{c}}-{\frac{{a}^{2} \left ( \arctan \left ( ax \right ) \right ) ^{3}}{2\,c}}-{\frac{6\,i{a}^{2}}{c}{\it polylog} \left ( 4,{(1+iax){\frac{1}{\sqrt{{a}^{2}{x}^{2}+1}}}} \right ) }-{\frac{3\,a \left ( \arctan \left ( ax \right ) \right ) ^{2}}{2\,cx}}-{\frac{ \left ( \arctan \left ( ax \right ) \right ) ^{3}}{2\,c{x}^{2}}}-{\frac{3\,i{a}^{2}}{c}{\it polylog} \left ( 2,{(1+iax){\frac{1}{\sqrt{{a}^{2}{x}^{2}+1}}}} \right ) }-{\frac{{a}^{2} \left ( \arctan \left ( ax \right ) \right ) ^{3}}{c}\ln \left ( 1-{(1+iax){\frac{1}{\sqrt{{a}^{2}{x}^{2}+1}}}} \right ) }+{\frac{{\frac{i}{4}}{a}^{2} \left ( \arctan \left ( ax \right ) \right ) ^{4}}{c}}-6\,{\frac{{a}^{2}\arctan \left ( ax \right ) }{c}{\it polylog} \left ( 3,{\frac{1+iax}{\sqrt{{a}^{2}{x}^{2}+1}}} \right ) }+{\frac{3\,i{a}^{2} \left ( \arctan \left ( ax \right ) \right ) ^{2}}{c}{\it polylog} \left ( 2,-{(1+iax){\frac{1}{\sqrt{{a}^{2}{x}^{2}+1}}}} \right ) }-{\frac{{a}^{2} \left ( \arctan \left ( ax \right ) \right ) ^{3}}{c}\ln \left ( 1+{(1+iax){\frac{1}{\sqrt{{a}^{2}{x}^{2}+1}}}} \right ) }-{\frac{3\,i{a}^{2}}{c}{\it polylog} \left ( 2,-{(1+iax){\frac{1}{\sqrt{{a}^{2}{x}^{2}+1}}}} \right ) }-6\,{\frac{{a}^{2}\arctan \left ( ax \right ) }{c}{\it polylog} \left ( 3,-{\frac{1+iax}{\sqrt{{a}^{2}{x}^{2}+1}}} \right ) }-{\frac{6\,i{a}^{2}}{c}{\it polylog} \left ( 4,-{(1+iax){\frac{1}{\sqrt{{a}^{2}{x}^{2}+1}}}} \right ) }+{\frac{3\,i{a}^{2} \left ( \arctan \left ( ax \right ) \right ) ^{2}}{c}{\it polylog} \left ( 2,{(1+iax){\frac{1}{\sqrt{{a}^{2}{x}^{2}+1}}}} \right ) }+3\,{\frac{{a}^{2}\arctan \left ( ax \right ) }{c}\ln \left ( 1-{\frac{1+iax}{\sqrt{{a}^{2}{x}^{2}+1}}} \right ) }+3\,{\frac{{a}^{2}\arctan \left ( ax \right ) }{c}\ln \left ( 1+{\frac{1+iax}{\sqrt{{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*} \int \frac{\arctan \left (a x\right )^{3}}{{\left (a^{2} c x^{2} + c\right )} x^{3}}\,{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{\arctan \left (a x\right )^{3}}{a^{2} c x^{5} + c x^{3}}, 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*} \frac{\int \frac{\operatorname{atan}^{3}{\left (a x \right )}}{a^{2} x^{5} + x^{3}}\, dx}{c} \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{\arctan \left (a x\right )^{3}}{{\left (a^{2} c x^{2} + c\right )} x^{3}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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