Optimal. Leaf size=196 \[ -\frac{1}{2} a^2 c \text{PolyLog}\left (3,1-\frac{2}{1+i a x}\right )+\frac{1}{2} a^2 c \text{PolyLog}\left (3,-1+\frac{2}{1+i a x}\right )-i a^2 c \tan ^{-1}(a x) \text{PolyLog}\left (2,1-\frac{2}{1+i a x}\right )+i a^2 c \tan ^{-1}(a x) \text{PolyLog}\left (2,-1+\frac{2}{1+i a x}\right )-\frac{1}{2} a^2 c \log \left (a^2 x^2+1\right )+a^2 c \log (x)-\frac{1}{2} a^2 c \tan ^{-1}(a x)^2+2 a^2 c \tan ^{-1}(a x)^2 \tanh ^{-1}\left (1-\frac{2}{1+i a x}\right )-\frac{c \tan ^{-1}(a x)^2}{2 x^2}-\frac{a c \tan ^{-1}(a x)}{x} \]
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Rubi [A] time = 0.325356, antiderivative size = 196, normalized size of antiderivative = 1., number of steps used = 15, number of rules used = 12, integrand size = 20, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.6, Rules used = {4950, 4852, 4918, 266, 36, 29, 31, 4884, 4850, 4988, 4994, 6610} \[ -\frac{1}{2} a^2 c \text{PolyLog}\left (3,1-\frac{2}{1+i a x}\right )+\frac{1}{2} a^2 c \text{PolyLog}\left (3,-1+\frac{2}{1+i a x}\right )-i a^2 c \tan ^{-1}(a x) \text{PolyLog}\left (2,1-\frac{2}{1+i a x}\right )+i a^2 c \tan ^{-1}(a x) \text{PolyLog}\left (2,-1+\frac{2}{1+i a x}\right )-\frac{1}{2} a^2 c \log \left (a^2 x^2+1\right )+a^2 c \log (x)-\frac{1}{2} a^2 c \tan ^{-1}(a x)^2+2 a^2 c \tan ^{-1}(a x)^2 \tanh ^{-1}\left (1-\frac{2}{1+i a x}\right )-\frac{c \tan ^{-1}(a x)^2}{2 x^2}-\frac{a c \tan ^{-1}(a x)}{x} \]
Antiderivative was successfully verified.
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Rule 4950
Rule 4852
Rule 4918
Rule 266
Rule 36
Rule 29
Rule 31
Rule 4884
Rule 4850
Rule 4988
Rule 4994
Rule 6610
Rubi steps
\begin{align*} \int \frac{\left (c+a^2 c x^2\right ) \tan ^{-1}(a x)^2}{x^3} \, dx &=c \int \frac{\tan ^{-1}(a x)^2}{x^3} \, dx+\left (a^2 c\right ) \int \frac{\tan ^{-1}(a x)^2}{x} \, dx\\ &=-\frac{c \tan ^{-1}(a x)^2}{2 x^2}+2 a^2 c \tan ^{-1}(a x)^2 \tanh ^{-1}\left (1-\frac{2}{1+i a x}\right )+(a c) \int \frac{\tan ^{-1}(a x)}{x^2 \left (1+a^2 x^2\right )} \, dx-\left (4 a^3 c\right ) \int \frac{\tan ^{-1}(a x) \tanh ^{-1}\left (1-\frac{2}{1+i a x}\right )}{1+a^2 x^2} \, dx\\ &=-\frac{c \tan ^{-1}(a x)^2}{2 x^2}+2 a^2 c \tan ^{-1}(a x)^2 \tanh ^{-1}\left (1-\frac{2}{1+i a x}\right )+(a c) \int \frac{\tan ^{-1}(a x)}{x^2} \, dx-\left (a^3 c\right ) \int \frac{\tan ^{-1}(a x)}{1+a^2 x^2} \, dx+\left (2 a^3 c\right ) \int \frac{\tan ^{-1}(a x) \log \left (\frac{2}{1+i a x}\right )}{1+a^2 x^2} \, dx-\left (2 a^3 c\right ) \int \frac{\tan ^{-1}(a x) \log \left (2-\frac{2}{1+i a x}\right )}{1+a^2 x^2} \, dx\\ &=-\frac{a c \tan ^{-1}(a x)}{x}-\frac{1}{2} a^2 c \tan ^{-1}(a x)^2-\frac{c \tan ^{-1}(a x)^2}{2 x^2}+2 a^2 c \tan ^{-1}(a x)^2 \tanh ^{-1}\left (1-\frac{2}{1+i a x}\right )-i a^2 c \tan ^{-1}(a x) \text{Li}_2\left (1-\frac{2}{1+i a x}\right )+i a^2 c \tan ^{-1}(a x) \text{Li}_2\left (-1+\frac{2}{1+i a x}\right )+\left (a^2 c\right ) \int \frac{1}{x \left (1+a^2 x^2\right )} \, dx+\left (i a^3 c\right ) \int \frac{\text{Li}_2\left (1-\frac{2}{1+i a x}\right )}{1+a^2 x^2} \, dx-\left (i a^3 c\right ) \int \frac{\text{Li}_2\left (-1+\frac{2}{1+i a x}\right )}{1+a^2 x^2} \, dx\\ &=-\frac{a c \tan ^{-1}(a x)}{x}-\frac{1}{2} a^2 c \tan ^{-1}(a x)^2-\frac{c \tan ^{-1}(a x)^2}{2 x^2}+2 a^2 c \tan ^{-1}(a x)^2 \tanh ^{-1}\left (1-\frac{2}{1+i a x}\right )-i a^2 c \tan ^{-1}(a x) \text{Li}_2\left (1-\frac{2}{1+i a x}\right )+i a^2 c \tan ^{-1}(a x) \text{Li}_2\left (-1+\frac{2}{1+i a x}\right )-\frac{1}{2} a^2 c \text{Li}_3\left (1-\frac{2}{1+i a x}\right )+\frac{1}{2} a^2 c \text{Li}_3\left (-1+\frac{2}{1+i a x}\right )+\frac{1}{2} \left (a^2 c\right ) \operatorname{Subst}\left (\int \frac{1}{x \left (1+a^2 x\right )} \, dx,x,x^2\right )\\ &=-\frac{a c \tan ^{-1}(a x)}{x}-\frac{1}{2} a^2 c \tan ^{-1}(a x)^2-\frac{c \tan ^{-1}(a x)^2}{2 x^2}+2 a^2 c \tan ^{-1}(a x)^2 \tanh ^{-1}\left (1-\frac{2}{1+i a x}\right )-i a^2 c \tan ^{-1}(a x) \text{Li}_2\left (1-\frac{2}{1+i a x}\right )+i a^2 c \tan ^{-1}(a x) \text{Li}_2\left (-1+\frac{2}{1+i a x}\right )-\frac{1}{2} a^2 c \text{Li}_3\left (1-\frac{2}{1+i a x}\right )+\frac{1}{2} a^2 c \text{Li}_3\left (-1+\frac{2}{1+i a x}\right )+\frac{1}{2} \left (a^2 c\right ) \operatorname{Subst}\left (\int \frac{1}{x} \, dx,x,x^2\right )-\frac{1}{2} \left (a^4 c\right ) \operatorname{Subst}\left (\int \frac{1}{1+a^2 x} \, dx,x,x^2\right )\\ &=-\frac{a c \tan ^{-1}(a x)}{x}-\frac{1}{2} a^2 c \tan ^{-1}(a x)^2-\frac{c \tan ^{-1}(a x)^2}{2 x^2}+2 a^2 c \tan ^{-1}(a x)^2 \tanh ^{-1}\left (1-\frac{2}{1+i a x}\right )+a^2 c \log (x)-\frac{1}{2} a^2 c \log \left (1+a^2 x^2\right )-i a^2 c \tan ^{-1}(a x) \text{Li}_2\left (1-\frac{2}{1+i a x}\right )+i a^2 c \tan ^{-1}(a x) \text{Li}_2\left (-1+\frac{2}{1+i a x}\right )-\frac{1}{2} a^2 c \text{Li}_3\left (1-\frac{2}{1+i a x}\right )+\frac{1}{2} a^2 c \text{Li}_3\left (-1+\frac{2}{1+i a x}\right )\\ \end{align*}
Mathematica [A] time = 0.0874597, size = 208, normalized size = 1.06 \[ \frac{1}{2} a^2 c \text{PolyLog}\left (3,\frac{-a x-i}{a x-i}\right )-\frac{1}{2} a^2 c \text{PolyLog}\left (3,\frac{a x+i}{a x-i}\right )+i a^2 c \tan ^{-1}(a x) \text{PolyLog}\left (2,\frac{-a x-i}{a x-i}\right )-i a^2 c \tan ^{-1}(a x) \text{PolyLog}\left (2,\frac{a x+i}{a x-i}\right )-\frac{1}{2} a^2 c \log \left (a^2 x^2+1\right )+\frac{c \left (-a^2 x^2-1\right ) \tan ^{-1}(a x)^2}{2 x^2}+a^2 c \log (x)+2 a^2 c \tan ^{-1}(a x)^2 \tanh ^{-1}\left (1-\frac{2 i}{-a x+i}\right )-\frac{a c \tan ^{-1}(a x)}{x} \]
Antiderivative was successfully verified.
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Maple [C] time = 3.306, size = 1167, normalized size = 6. \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*} \frac{{\left (72 \, a^{4} c \int \frac{x^{4} \arctan \left (a x\right )^{2}}{a^{2} x^{5} + x^{3}}\,{d x} + a^{2} c \log \left (a^{2} x^{2} + 1\right )^{3} - 3 \,{\left (a^{2}{\left (\frac{\log \left (a^{2} x^{2} + 1\right )^{2}}{a^{2}} - \frac{2 \,{\left (2 \, \log \left (a^{2} x^{2} + 1\right ) \log \left (x\right ) +{\rm Li}_2\left (-a^{2} x^{2}\right )\right )}}{a^{2}}\right )} - 2 \,{\left (\log \left (a^{2} x^{2} + 1\right ) - 2 \, \log \left (x\right )\right )} \log \left (a^{2} x^{2} + 1\right )\right )} a^{2} c - 2 \,{\left (\log \left (a^{2} x^{2} + 1\right )^{3} - 3 \, \log \left (a^{2} x^{2} + 1\right )^{2} \log \left (-a^{2} x^{2}\right ) - 6 \,{\rm Li}_2\left (a^{2} x^{2} + 1\right ) \log \left (a^{2} x^{2} + 1\right ) + 6 \,{\rm Li}_{3}(a^{2} x^{2} + 1)\right )} a^{2} c + 144 \, a^{2} c \int \frac{x^{2} \arctan \left (a x\right )^{2}}{a^{2} x^{5} + x^{3}}\,{d x} + 12 \,{\left ({\left (\arctan \left (a x\right )^{2} - \log \left (a^{2} x^{2} + 1\right ) + 2 \, \log \left (x\right )\right )} a - 2 \,{\left (a \arctan \left (a x\right ) + \frac{1}{x}\right )} \arctan \left (a x\right )\right )} a c -{\left (3 \,{\left (\log \left (a^{2} x^{2} + 1\right )^{2} \log \left (-a^{2} x^{2}\right ) + 2 \,{\rm Li}_2\left (a^{2} x^{2} + 1\right ) \log \left (a^{2} x^{2} + 1\right ) - 2 \,{\rm Li}_{3}(a^{2} x^{2} + 1)\right )} a^{2} - 6 \,{\left (\log \left (a^{2} x^{2} + 1\right ) \log \left (-a^{2} x^{2}\right ) +{\rm Li}_2\left (a^{2} x^{2} + 1\right )\right )} a^{2} - \frac{a^{2} x^{2} \log \left (a^{2} x^{2} + 1\right )^{3} - 3 \,{\left (a^{2} x^{2} + 1\right )} \log \left (a^{2} x^{2} + 1\right )^{2}}{x^{2}}\right )} c + 72 \, c \int \frac{\arctan \left (a x\right )^{2}}{a^{2} x^{5} + x^{3}}\,{d x}\right )} x^{2} - 12 \, c \arctan \left (a x\right )^{2} + 3 \, c \log \left (a^{2} x^{2} + 1\right )^{2}}{96 \, x^{2}} \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 )^{2}}{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*} c \left (\int \frac{\operatorname{atan}^{2}{\left (a x \right )}}{x^{3}}\, dx + \int \frac{a^{2} \operatorname{atan}^{2}{\left (a x \right )}}{x}\, 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 )^{2}}{x^{3}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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