Optimal. Leaf size=251 \[ -i a c^3 \text{PolyLog}\left (2,-1+\frac{2}{1-i a x}\right )+\frac{11}{5} i a c^3 \text{PolyLog}\left (2,1-\frac{2}{1+i a x}\right )+\frac{1}{30} a^4 c^3 x^3+\frac{1}{5} a^6 c^3 x^5 \tan ^{-1}(a x)^2-\frac{1}{10} a^5 c^3 x^4 \tan ^{-1}(a x)+a^4 c^3 x^3 \tan ^{-1}(a x)^2-\frac{4}{5} a^3 c^3 x^2 \tan ^{-1}(a x)+\frac{7}{10} a^2 c^3 x+3 a^2 c^3 x \tan ^{-1}(a x)^2+\frac{6}{5} i a c^3 \tan ^{-1}(a x)^2-\frac{7}{10} a c^3 \tan ^{-1}(a x)-\frac{c^3 \tan ^{-1}(a x)^2}{x}+\frac{22}{5} a c^3 \log \left (\frac{2}{1+i a x}\right ) \tan ^{-1}(a x)+2 a c^3 \log \left (2-\frac{2}{1-i a x}\right ) \tan ^{-1}(a x) \]
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Rubi [A] time = 0.64533, antiderivative size = 251, normalized size of antiderivative = 1., number of steps used = 34, number of rules used = 14, integrand size = 22, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.636, Rules used = {4948, 4846, 4920, 4854, 2402, 2315, 4852, 4924, 4868, 2447, 4916, 321, 203, 302} \[ -i a c^3 \text{PolyLog}\left (2,-1+\frac{2}{1-i a x}\right )+\frac{11}{5} i a c^3 \text{PolyLog}\left (2,1-\frac{2}{1+i a x}\right )+\frac{1}{30} a^4 c^3 x^3+\frac{1}{5} a^6 c^3 x^5 \tan ^{-1}(a x)^2-\frac{1}{10} a^5 c^3 x^4 \tan ^{-1}(a x)+a^4 c^3 x^3 \tan ^{-1}(a x)^2-\frac{4}{5} a^3 c^3 x^2 \tan ^{-1}(a x)+\frac{7}{10} a^2 c^3 x+3 a^2 c^3 x \tan ^{-1}(a x)^2+\frac{6}{5} i a c^3 \tan ^{-1}(a x)^2-\frac{7}{10} a c^3 \tan ^{-1}(a x)-\frac{c^3 \tan ^{-1}(a x)^2}{x}+\frac{22}{5} a c^3 \log \left (\frac{2}{1+i a x}\right ) \tan ^{-1}(a x)+2 a c^3 \log \left (2-\frac{2}{1-i a x}\right ) \tan ^{-1}(a x) \]
Antiderivative was successfully verified.
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Rule 4948
Rule 4846
Rule 4920
Rule 4854
Rule 2402
Rule 2315
Rule 4852
Rule 4924
Rule 4868
Rule 2447
Rule 4916
Rule 321
Rule 203
Rule 302
Rubi steps
\begin{align*} \int \frac{\left (c+a^2 c x^2\right )^3 \tan ^{-1}(a x)^2}{x^2} \, dx &=\int \left (3 a^2 c^3 \tan ^{-1}(a x)^2+\frac{c^3 \tan ^{-1}(a x)^2}{x^2}+3 a^4 c^3 x^2 \tan ^{-1}(a x)^2+a^6 c^3 x^4 \tan ^{-1}(a x)^2\right ) \, dx\\ &=c^3 \int \frac{\tan ^{-1}(a x)^2}{x^2} \, dx+\left (3 a^2 c^3\right ) \int \tan ^{-1}(a x)^2 \, dx+\left (3 a^4 c^3\right ) \int x^2 \tan ^{-1}(a x)^2 \, dx+\left (a^6 c^3\right ) \int x^4 \tan ^{-1}(a x)^2 \, dx\\ &=-\frac{c^3 \tan ^{-1}(a x)^2}{x}+3 a^2 c^3 x \tan ^{-1}(a x)^2+a^4 c^3 x^3 \tan ^{-1}(a x)^2+\frac{1}{5} a^6 c^3 x^5 \tan ^{-1}(a x)^2+\left (2 a c^3\right ) \int \frac{\tan ^{-1}(a x)}{x \left (1+a^2 x^2\right )} \, dx-\left (6 a^3 c^3\right ) \int \frac{x \tan ^{-1}(a x)}{1+a^2 x^2} \, dx-\left (2 a^5 c^3\right ) \int \frac{x^3 \tan ^{-1}(a x)}{1+a^2 x^2} \, dx-\frac{1}{5} \left (2 a^7 c^3\right ) \int \frac{x^5 \tan ^{-1}(a x)}{1+a^2 x^2} \, dx\\ &=2 i a c^3 \tan ^{-1}(a x)^2-\frac{c^3 \tan ^{-1}(a x)^2}{x}+3 a^2 c^3 x \tan ^{-1}(a x)^2+a^4 c^3 x^3 \tan ^{-1}(a x)^2+\frac{1}{5} a^6 c^3 x^5 \tan ^{-1}(a x)^2+\left (2 i a c^3\right ) \int \frac{\tan ^{-1}(a x)}{x (i+a x)} \, dx+\left (6 a^2 c^3\right ) \int \frac{\tan ^{-1}(a x)}{i-a x} \, dx-\left (2 a^3 c^3\right ) \int x \tan ^{-1}(a x) \, dx+\left (2 a^3 c^3\right ) \int \frac{x \tan ^{-1}(a x)}{1+a^2 x^2} \, dx-\frac{1}{5} \left (2 a^5 c^3\right ) \int x^3 \tan ^{-1}(a x) \, dx+\frac{1}{5} \left (2 a^5 c^3\right ) \int \frac{x^3 \tan ^{-1}(a x)}{1+a^2 x^2} \, dx\\ &=-a^3 c^3 x^2 \tan ^{-1}(a x)-\frac{1}{10} a^5 c^3 x^4 \tan ^{-1}(a x)+i a c^3 \tan ^{-1}(a x)^2-\frac{c^3 \tan ^{-1}(a x)^2}{x}+3 a^2 c^3 x \tan ^{-1}(a x)^2+a^4 c^3 x^3 \tan ^{-1}(a x)^2+\frac{1}{5} a^6 c^3 x^5 \tan ^{-1}(a x)^2+6 a c^3 \tan ^{-1}(a x) \log \left (\frac{2}{1+i a x}\right )+2 a c^3 \tan ^{-1}(a x) \log \left (2-\frac{2}{1-i a x}\right )-\left (2 a^2 c^3\right ) \int \frac{\tan ^{-1}(a x)}{i-a x} \, dx-\left (2 a^2 c^3\right ) \int \frac{\log \left (2-\frac{2}{1-i a x}\right )}{1+a^2 x^2} \, dx-\left (6 a^2 c^3\right ) \int \frac{\log \left (\frac{2}{1+i a x}\right )}{1+a^2 x^2} \, dx+\frac{1}{5} \left (2 a^3 c^3\right ) \int x \tan ^{-1}(a x) \, dx-\frac{1}{5} \left (2 a^3 c^3\right ) \int \frac{x \tan ^{-1}(a x)}{1+a^2 x^2} \, dx+\left (a^4 c^3\right ) \int \frac{x^2}{1+a^2 x^2} \, dx+\frac{1}{10} \left (a^6 c^3\right ) \int \frac{x^4}{1+a^2 x^2} \, dx\\ &=a^2 c^3 x-\frac{4}{5} a^3 c^3 x^2 \tan ^{-1}(a x)-\frac{1}{10} a^5 c^3 x^4 \tan ^{-1}(a x)+\frac{6}{5} i a c^3 \tan ^{-1}(a x)^2-\frac{c^3 \tan ^{-1}(a x)^2}{x}+3 a^2 c^3 x \tan ^{-1}(a x)^2+a^4 c^3 x^3 \tan ^{-1}(a x)^2+\frac{1}{5} a^6 c^3 x^5 \tan ^{-1}(a x)^2+4 a c^3 \tan ^{-1}(a x) \log \left (\frac{2}{1+i a x}\right )+2 a c^3 \tan ^{-1}(a x) \log \left (2-\frac{2}{1-i a x}\right )-i a c^3 \text{Li}_2\left (-1+\frac{2}{1-i a x}\right )+\left (6 i a c^3\right ) \operatorname{Subst}\left (\int \frac{\log (2 x)}{1-2 x} \, dx,x,\frac{1}{1+i a x}\right )+\frac{1}{5} \left (2 a^2 c^3\right ) \int \frac{\tan ^{-1}(a x)}{i-a x} \, dx-\left (a^2 c^3\right ) \int \frac{1}{1+a^2 x^2} \, dx+\left (2 a^2 c^3\right ) \int \frac{\log \left (\frac{2}{1+i a x}\right )}{1+a^2 x^2} \, dx-\frac{1}{5} \left (a^4 c^3\right ) \int \frac{x^2}{1+a^2 x^2} \, dx+\frac{1}{10} \left (a^6 c^3\right ) \int \left (-\frac{1}{a^4}+\frac{x^2}{a^2}+\frac{1}{a^4 \left (1+a^2 x^2\right )}\right ) \, dx\\ &=\frac{7}{10} a^2 c^3 x+\frac{1}{30} a^4 c^3 x^3-a c^3 \tan ^{-1}(a x)-\frac{4}{5} a^3 c^3 x^2 \tan ^{-1}(a x)-\frac{1}{10} a^5 c^3 x^4 \tan ^{-1}(a x)+\frac{6}{5} i a c^3 \tan ^{-1}(a x)^2-\frac{c^3 \tan ^{-1}(a x)^2}{x}+3 a^2 c^3 x \tan ^{-1}(a x)^2+a^4 c^3 x^3 \tan ^{-1}(a x)^2+\frac{1}{5} a^6 c^3 x^5 \tan ^{-1}(a x)^2+\frac{22}{5} a c^3 \tan ^{-1}(a x) \log \left (\frac{2}{1+i a x}\right )+2 a c^3 \tan ^{-1}(a x) \log \left (2-\frac{2}{1-i a x}\right )-i a c^3 \text{Li}_2\left (-1+\frac{2}{1-i a x}\right )+3 i a c^3 \text{Li}_2\left (1-\frac{2}{1+i a x}\right )-\left (2 i a c^3\right ) \operatorname{Subst}\left (\int \frac{\log (2 x)}{1-2 x} \, dx,x,\frac{1}{1+i a x}\right )+\frac{1}{10} \left (a^2 c^3\right ) \int \frac{1}{1+a^2 x^2} \, dx+\frac{1}{5} \left (a^2 c^3\right ) \int \frac{1}{1+a^2 x^2} \, dx-\frac{1}{5} \left (2 a^2 c^3\right ) \int \frac{\log \left (\frac{2}{1+i a x}\right )}{1+a^2 x^2} \, dx\\ &=\frac{7}{10} a^2 c^3 x+\frac{1}{30} a^4 c^3 x^3-\frac{7}{10} a c^3 \tan ^{-1}(a x)-\frac{4}{5} a^3 c^3 x^2 \tan ^{-1}(a x)-\frac{1}{10} a^5 c^3 x^4 \tan ^{-1}(a x)+\frac{6}{5} i a c^3 \tan ^{-1}(a x)^2-\frac{c^3 \tan ^{-1}(a x)^2}{x}+3 a^2 c^3 x \tan ^{-1}(a x)^2+a^4 c^3 x^3 \tan ^{-1}(a x)^2+\frac{1}{5} a^6 c^3 x^5 \tan ^{-1}(a x)^2+\frac{22}{5} a c^3 \tan ^{-1}(a x) \log \left (\frac{2}{1+i a x}\right )+2 a c^3 \tan ^{-1}(a x) \log \left (2-\frac{2}{1-i a x}\right )-i a c^3 \text{Li}_2\left (-1+\frac{2}{1-i a x}\right )+2 i a c^3 \text{Li}_2\left (1-\frac{2}{1+i a x}\right )+\frac{1}{5} \left (2 i a c^3\right ) \operatorname{Subst}\left (\int \frac{\log (2 x)}{1-2 x} \, dx,x,\frac{1}{1+i a x}\right )\\ &=\frac{7}{10} a^2 c^3 x+\frac{1}{30} a^4 c^3 x^3-\frac{7}{10} a c^3 \tan ^{-1}(a x)-\frac{4}{5} a^3 c^3 x^2 \tan ^{-1}(a x)-\frac{1}{10} a^5 c^3 x^4 \tan ^{-1}(a x)+\frac{6}{5} i a c^3 \tan ^{-1}(a x)^2-\frac{c^3 \tan ^{-1}(a x)^2}{x}+3 a^2 c^3 x \tan ^{-1}(a x)^2+a^4 c^3 x^3 \tan ^{-1}(a x)^2+\frac{1}{5} a^6 c^3 x^5 \tan ^{-1}(a x)^2+\frac{22}{5} a c^3 \tan ^{-1}(a x) \log \left (\frac{2}{1+i a x}\right )+2 a c^3 \tan ^{-1}(a x) \log \left (2-\frac{2}{1-i a x}\right )-i a c^3 \text{Li}_2\left (-1+\frac{2}{1-i a x}\right )+\frac{11}{5} i a c^3 \text{Li}_2\left (1-\frac{2}{1+i a x}\right )\\ \end{align*}
Mathematica [A] time = 0.705295, size = 202, normalized size = 0.8 \[ \frac{c^3 \left (-66 i a x \text{PolyLog}\left (2,-e^{2 i \tan ^{-1}(a x)}\right )-30 i a x \text{PolyLog}\left (2,e^{2 i \tan ^{-1}(a x)}\right )+a^4 x^4+21 a^2 x^2+6 a^6 x^6 \tan ^{-1}(a x)^2-3 a^5 x^5 \tan ^{-1}(a x)+30 a^4 x^4 \tan ^{-1}(a x)^2-24 a^3 x^3 \tan ^{-1}(a x)+90 a^2 x^2 \tan ^{-1}(a x)^2-96 i a x \tan ^{-1}(a x)^2-21 a x \tan ^{-1}(a x)-30 \tan ^{-1}(a x)^2+60 a x \tan ^{-1}(a x) \log \left (1-e^{2 i \tan ^{-1}(a x)}\right )+132 a x \tan ^{-1}(a x) \log \left (1+e^{2 i \tan ^{-1}(a x)}\right )\right )}{30 x} \]
Warning: Unable to verify antiderivative.
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Maple [A] time = 0.097, size = 388, normalized size = 1.6 \begin{align*}{\frac{{a}^{6}{c}^{3}{x}^{5} \left ( \arctan \left ( ax \right ) \right ) ^{2}}{5}}+{a}^{4}{c}^{3}{x}^{3} \left ( \arctan \left ( ax \right ) \right ) ^{2}+3\,{a}^{2}{c}^{3}x \left ( \arctan \left ( ax \right ) \right ) ^{2}-{\frac{{c}^{3} \left ( \arctan \left ( ax \right ) \right ) ^{2}}{x}}-{\frac{{a}^{5}{c}^{3}{x}^{4}\arctan \left ( ax \right ) }{10}}-{\frac{4\,{a}^{3}{c}^{3}{x}^{2}\arctan \left ( ax \right ) }{5}}-{\frac{16\,a{c}^{3}\arctan \left ( ax \right ) \ln \left ({a}^{2}{x}^{2}+1 \right ) }{5}}+2\,a{c}^{3}\arctan \left ( ax \right ) \ln \left ( ax \right ) +{\frac{{a}^{4}{c}^{3}{x}^{3}}{30}}+{\frac{7\,{a}^{2}{c}^{3}x}{10}}-{\frac{7\,a{c}^{3}\arctan \left ( ax \right ) }{10}}+ia{c}^{3}{\it dilog} \left ( 1+iax \right ) +ia{c}^{3}\ln \left ( ax \right ) \ln \left ( 1+iax \right ) -{\frac{8\,i}{5}}a{c}^{3}\ln \left ({a}^{2}{x}^{2}+1 \right ) \ln \left ( ax-i \right ) -{\frac{4\,i}{5}}a{c}^{3} \left ( \ln \left ( ax+i \right ) \right ) ^{2}-{\frac{8\,i}{5}}a{c}^{3}\ln \left ( ax+i \right ) \ln \left ({\frac{i}{2}} \left ( ax-i \right ) \right ) -ia{c}^{3}{\it dilog} \left ( 1-iax \right ) +{\frac{4\,i}{5}}a{c}^{3} \left ( \ln \left ( ax-i \right ) \right ) ^{2}-{\frac{8\,i}{5}}a{c}^{3}{\it dilog} \left ({\frac{i}{2}} \left ( ax-i \right ) \right ) +{\frac{8\,i}{5}}a{c}^{3}{\it dilog} \left ( -{\frac{i}{2}} \left ( ax+i \right ) \right ) +{\frac{8\,i}{5}}a{c}^{3}\ln \left ({a}^{2}{x}^{2}+1 \right ) \ln \left ( ax+i \right ) +{\frac{8\,i}{5}}a{c}^{3}\ln \left ( ax-i \right ) \ln \left ( -{\frac{i}{2}} \left ( ax+i \right ) \right ) -ia{c}^{3}\ln \left ( ax \right ) \ln \left ( 1-iax \right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F(-1)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Timed out} \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^{6} c^{3} x^{6} + 3 \, a^{4} c^{3} x^{4} + 3 \, a^{2} c^{3} x^{2} + c^{3}\right )} \arctan \left (a x\right )^{2}}{x^{2}}, 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^{3} \left (\int 3 a^{2} \operatorname{atan}^{2}{\left (a x \right )}\, dx + \int \frac{\operatorname{atan}^{2}{\left (a x \right )}}{x^{2}}\, dx + \int 3 a^{4} x^{2} \operatorname{atan}^{2}{\left (a x \right )}\, dx + \int a^{6} x^{4} \operatorname{atan}^{2}{\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 )}^{3} \arctan \left (a x\right )^{2}}{x^{2}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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