Optimal. Leaf size=268 \[ \frac{16 i c^3 \text{PolyLog}\left (2,1-\frac{2}{1+i a x}\right )}{35 a}+\frac{1}{105} a^4 c^3 x^5+\frac{19}{315} a^2 c^3 x^3+\frac{1}{7} c^3 x \left (a^2 x^2+1\right )^3 \tan ^{-1}(a x)^2+\frac{6}{35} c^3 x \left (a^2 x^2+1\right )^2 \tan ^{-1}(a x)^2+\frac{8}{35} c^3 x \left (a^2 x^2+1\right ) \tan ^{-1}(a x)^2-\frac{c^3 \left (a^2 x^2+1\right )^3 \tan ^{-1}(a x)}{21 a}-\frac{3 c^3 \left (a^2 x^2+1\right )^2 \tan ^{-1}(a x)}{35 a}-\frac{8 c^3 \left (a^2 x^2+1\right ) \tan ^{-1}(a x)}{35 a}+\frac{16}{35} c^3 x \tan ^{-1}(a x)^2+\frac{16 i c^3 \tan ^{-1}(a x)^2}{35 a}+\frac{32 c^3 \log \left (\frac{2}{1+i a x}\right ) \tan ^{-1}(a x)}{35 a}+\frac{38 c^3 x}{105} \]
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Rubi [A] time = 0.184195, antiderivative size = 268, normalized size of antiderivative = 1., number of steps used = 12, number of rules used = 8, integrand size = 19, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.421, Rules used = {4880, 4846, 4920, 4854, 2402, 2315, 8, 194} \[ \frac{16 i c^3 \text{PolyLog}\left (2,1-\frac{2}{1+i a x}\right )}{35 a}+\frac{1}{105} a^4 c^3 x^5+\frac{19}{315} a^2 c^3 x^3+\frac{1}{7} c^3 x \left (a^2 x^2+1\right )^3 \tan ^{-1}(a x)^2+\frac{6}{35} c^3 x \left (a^2 x^2+1\right )^2 \tan ^{-1}(a x)^2+\frac{8}{35} c^3 x \left (a^2 x^2+1\right ) \tan ^{-1}(a x)^2-\frac{c^3 \left (a^2 x^2+1\right )^3 \tan ^{-1}(a x)}{21 a}-\frac{3 c^3 \left (a^2 x^2+1\right )^2 \tan ^{-1}(a x)}{35 a}-\frac{8 c^3 \left (a^2 x^2+1\right ) \tan ^{-1}(a x)}{35 a}+\frac{16}{35} c^3 x \tan ^{-1}(a x)^2+\frac{16 i c^3 \tan ^{-1}(a x)^2}{35 a}+\frac{32 c^3 \log \left (\frac{2}{1+i a x}\right ) \tan ^{-1}(a x)}{35 a}+\frac{38 c^3 x}{105} \]
Antiderivative was successfully verified.
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Rule 4880
Rule 4846
Rule 4920
Rule 4854
Rule 2402
Rule 2315
Rule 8
Rule 194
Rubi steps
\begin{align*} \int \left (c+a^2 c x^2\right )^3 \tan ^{-1}(a x)^2 \, dx &=-\frac{c^3 \left (1+a^2 x^2\right )^3 \tan ^{-1}(a x)}{21 a}+\frac{1}{7} c^3 x \left (1+a^2 x^2\right )^3 \tan ^{-1}(a x)^2+\frac{1}{21} c \int \left (c+a^2 c x^2\right )^2 \, dx+\frac{1}{7} (6 c) \int \left (c+a^2 c x^2\right )^2 \tan ^{-1}(a x)^2 \, dx\\ &=-\frac{3 c^3 \left (1+a^2 x^2\right )^2 \tan ^{-1}(a x)}{35 a}-\frac{c^3 \left (1+a^2 x^2\right )^3 \tan ^{-1}(a x)}{21 a}+\frac{6}{35} c^3 x \left (1+a^2 x^2\right )^2 \tan ^{-1}(a x)^2+\frac{1}{7} c^3 x \left (1+a^2 x^2\right )^3 \tan ^{-1}(a x)^2+\frac{1}{21} c \int \left (c^2+2 a^2 c^2 x^2+a^4 c^2 x^4\right ) \, dx+\frac{1}{35} \left (3 c^2\right ) \int \left (c+a^2 c x^2\right ) \, dx+\frac{1}{35} \left (24 c^2\right ) \int \left (c+a^2 c x^2\right ) \tan ^{-1}(a x)^2 \, dx\\ &=\frac{2 c^3 x}{15}+\frac{19}{315} a^2 c^3 x^3+\frac{1}{105} a^4 c^3 x^5-\frac{8 c^3 \left (1+a^2 x^2\right ) \tan ^{-1}(a x)}{35 a}-\frac{3 c^3 \left (1+a^2 x^2\right )^2 \tan ^{-1}(a x)}{35 a}-\frac{c^3 \left (1+a^2 x^2\right )^3 \tan ^{-1}(a x)}{21 a}+\frac{8}{35} c^3 x \left (1+a^2 x^2\right ) \tan ^{-1}(a x)^2+\frac{6}{35} c^3 x \left (1+a^2 x^2\right )^2 \tan ^{-1}(a x)^2+\frac{1}{7} c^3 x \left (1+a^2 x^2\right )^3 \tan ^{-1}(a x)^2+\frac{1}{35} \left (8 c^3\right ) \int 1 \, dx+\frac{1}{35} \left (16 c^3\right ) \int \tan ^{-1}(a x)^2 \, dx\\ &=\frac{38 c^3 x}{105}+\frac{19}{315} a^2 c^3 x^3+\frac{1}{105} a^4 c^3 x^5-\frac{8 c^3 \left (1+a^2 x^2\right ) \tan ^{-1}(a x)}{35 a}-\frac{3 c^3 \left (1+a^2 x^2\right )^2 \tan ^{-1}(a x)}{35 a}-\frac{c^3 \left (1+a^2 x^2\right )^3 \tan ^{-1}(a x)}{21 a}+\frac{16}{35} c^3 x \tan ^{-1}(a x)^2+\frac{8}{35} c^3 x \left (1+a^2 x^2\right ) \tan ^{-1}(a x)^2+\frac{6}{35} c^3 x \left (1+a^2 x^2\right )^2 \tan ^{-1}(a x)^2+\frac{1}{7} c^3 x \left (1+a^2 x^2\right )^3 \tan ^{-1}(a x)^2-\frac{1}{35} \left (32 a c^3\right ) \int \frac{x \tan ^{-1}(a x)}{1+a^2 x^2} \, dx\\ &=\frac{38 c^3 x}{105}+\frac{19}{315} a^2 c^3 x^3+\frac{1}{105} a^4 c^3 x^5-\frac{8 c^3 \left (1+a^2 x^2\right ) \tan ^{-1}(a x)}{35 a}-\frac{3 c^3 \left (1+a^2 x^2\right )^2 \tan ^{-1}(a x)}{35 a}-\frac{c^3 \left (1+a^2 x^2\right )^3 \tan ^{-1}(a x)}{21 a}+\frac{16 i c^3 \tan ^{-1}(a x)^2}{35 a}+\frac{16}{35} c^3 x \tan ^{-1}(a x)^2+\frac{8}{35} c^3 x \left (1+a^2 x^2\right ) \tan ^{-1}(a x)^2+\frac{6}{35} c^3 x \left (1+a^2 x^2\right )^2 \tan ^{-1}(a x)^2+\frac{1}{7} c^3 x \left (1+a^2 x^2\right )^3 \tan ^{-1}(a x)^2+\frac{1}{35} \left (32 c^3\right ) \int \frac{\tan ^{-1}(a x)}{i-a x} \, dx\\ &=\frac{38 c^3 x}{105}+\frac{19}{315} a^2 c^3 x^3+\frac{1}{105} a^4 c^3 x^5-\frac{8 c^3 \left (1+a^2 x^2\right ) \tan ^{-1}(a x)}{35 a}-\frac{3 c^3 \left (1+a^2 x^2\right )^2 \tan ^{-1}(a x)}{35 a}-\frac{c^3 \left (1+a^2 x^2\right )^3 \tan ^{-1}(a x)}{21 a}+\frac{16 i c^3 \tan ^{-1}(a x)^2}{35 a}+\frac{16}{35} c^3 x \tan ^{-1}(a x)^2+\frac{8}{35} c^3 x \left (1+a^2 x^2\right ) \tan ^{-1}(a x)^2+\frac{6}{35} c^3 x \left (1+a^2 x^2\right )^2 \tan ^{-1}(a x)^2+\frac{1}{7} c^3 x \left (1+a^2 x^2\right )^3 \tan ^{-1}(a x)^2+\frac{32 c^3 \tan ^{-1}(a x) \log \left (\frac{2}{1+i a x}\right )}{35 a}-\frac{1}{35} \left (32 c^3\right ) \int \frac{\log \left (\frac{2}{1+i a x}\right )}{1+a^2 x^2} \, dx\\ &=\frac{38 c^3 x}{105}+\frac{19}{315} a^2 c^3 x^3+\frac{1}{105} a^4 c^3 x^5-\frac{8 c^3 \left (1+a^2 x^2\right ) \tan ^{-1}(a x)}{35 a}-\frac{3 c^3 \left (1+a^2 x^2\right )^2 \tan ^{-1}(a x)}{35 a}-\frac{c^3 \left (1+a^2 x^2\right )^3 \tan ^{-1}(a x)}{21 a}+\frac{16 i c^3 \tan ^{-1}(a x)^2}{35 a}+\frac{16}{35} c^3 x \tan ^{-1}(a x)^2+\frac{8}{35} c^3 x \left (1+a^2 x^2\right ) \tan ^{-1}(a x)^2+\frac{6}{35} c^3 x \left (1+a^2 x^2\right )^2 \tan ^{-1}(a x)^2+\frac{1}{7} c^3 x \left (1+a^2 x^2\right )^3 \tan ^{-1}(a x)^2+\frac{32 c^3 \tan ^{-1}(a x) \log \left (\frac{2}{1+i a x}\right )}{35 a}+\frac{\left (32 i c^3\right ) \operatorname{Subst}\left (\int \frac{\log (2 x)}{1-2 x} \, dx,x,\frac{1}{1+i a x}\right )}{35 a}\\ &=\frac{38 c^3 x}{105}+\frac{19}{315} a^2 c^3 x^3+\frac{1}{105} a^4 c^3 x^5-\frac{8 c^3 \left (1+a^2 x^2\right ) \tan ^{-1}(a x)}{35 a}-\frac{3 c^3 \left (1+a^2 x^2\right )^2 \tan ^{-1}(a x)}{35 a}-\frac{c^3 \left (1+a^2 x^2\right )^3 \tan ^{-1}(a x)}{21 a}+\frac{16 i c^3 \tan ^{-1}(a x)^2}{35 a}+\frac{16}{35} c^3 x \tan ^{-1}(a x)^2+\frac{8}{35} c^3 x \left (1+a^2 x^2\right ) \tan ^{-1}(a x)^2+\frac{6}{35} c^3 x \left (1+a^2 x^2\right )^2 \tan ^{-1}(a x)^2+\frac{1}{7} c^3 x \left (1+a^2 x^2\right )^3 \tan ^{-1}(a x)^2+\frac{32 c^3 \tan ^{-1}(a x) \log \left (\frac{2}{1+i a x}\right )}{35 a}+\frac{16 i c^3 \text{Li}_2\left (1-\frac{2}{1+i a x}\right )}{35 a}\\ \end{align*}
Mathematica [A] time = 1.16528, size = 137, normalized size = 0.51 \[ \frac{c^3 \left (-144 i \text{PolyLog}\left (2,-e^{2 i \tan ^{-1}(a x)}\right )+a x \left (3 a^4 x^4+19 a^2 x^2+114\right )+9 \left (5 a^7 x^7+21 a^5 x^5+35 a^3 x^3+35 a x-16 i\right ) \tan ^{-1}(a x)^2-3 \tan ^{-1}(a x) \left (5 a^6 x^6+24 a^4 x^4+57 a^2 x^2-96 \log \left (1+e^{2 i \tan ^{-1}(a x)}\right )+38\right )\right )}{315 a} \]
Warning: Unable to verify antiderivative.
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Maple [A] time = 0.069, size = 346, normalized size = 1.3 \begin{align*}{\frac{{a}^{6}{c}^{3} \left ( \arctan \left ( ax \right ) \right ) ^{2}{x}^{7}}{7}}+{\frac{3\,{a}^{4}{c}^{3} \left ( \arctan \left ( ax \right ) \right ) ^{2}{x}^{5}}{5}}+{a}^{2}{c}^{3} \left ( \arctan \left ( ax \right ) \right ) ^{2}{x}^{3}+{c}^{3}x \left ( \arctan \left ( ax \right ) \right ) ^{2}-{\frac{{a}^{5}{c}^{3}\arctan \left ( ax \right ){x}^{6}}{21}}-{\frac{8\,{a}^{3}{c}^{3}\arctan \left ( ax \right ){x}^{4}}{35}}-{\frac{19\,a{c}^{3}\arctan \left ( ax \right ){x}^{2}}{35}}-{\frac{16\,{c}^{3}\arctan \left ( ax \right ) \ln \left ({a}^{2}{x}^{2}+1 \right ) }{35\,a}}+{\frac{{a}^{4}{c}^{3}{x}^{5}}{105}}+{\frac{19\,{a}^{2}{c}^{3}{x}^{3}}{315}}+{\frac{38\,{c}^{3}x}{105}}-{\frac{38\,{c}^{3}\arctan \left ( ax \right ) }{105\,a}}-{\frac{{\frac{4\,i}{35}}{c}^{3} \left ( \ln \left ( ax+i \right ) \right ) ^{2}}{a}}+{\frac{{\frac{8\,i}{35}}{c}^{3}\ln \left ({a}^{2}{x}^{2}+1 \right ) \ln \left ( ax+i \right ) }{a}}+{\frac{{\frac{8\,i}{35}}{c}^{3}\ln \left ( ax-i \right ) \ln \left ( -{\frac{i}{2}} \left ( ax+i \right ) \right ) }{a}}+{\frac{{\frac{8\,i}{35}}{c}^{3}{\it dilog} \left ( -{\frac{i}{2}} \left ( ax+i \right ) \right ) }{a}}-{\frac{{\frac{8\,i}{35}}{c}^{3}\ln \left ({a}^{2}{x}^{2}+1 \right ) \ln \left ( ax-i \right ) }{a}}-{\frac{{\frac{8\,i}{35}}{c}^{3}{\it dilog} \left ({\frac{i}{2}} \left ( ax-i \right ) \right ) }{a}}-{\frac{{\frac{8\,i}{35}}{c}^{3}\ln \left ( ax+i \right ) \ln \left ({\frac{i}{2}} \left ( ax-i \right ) \right ) }{a}}+{\frac{{\frac{4\,i}{35}}{c}^{3} \left ( \ln \left ( ax-i \right ) \right ) ^{2}}{a}} \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*} \text{result too large to display} \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 ({\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\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} x^{2} \operatorname{atan}^{2}{\left (a x \right )}\, dx + \int 3 a^{4} x^{4} \operatorname{atan}^{2}{\left (a x \right )}\, dx + \int a^{6} x^{6} \operatorname{atan}^{2}{\left (a x \right )}\, dx + \int \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{\left (a^{2} c x^{2} + c\right )}^{3} \arctan \left (a x\right )^{2}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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