Optimal. Leaf size=403 \[ -\frac{6 i \sqrt{a^2 x^2+1} \tan ^{-1}(a x) \text{PolyLog}\left (2,-i e^{i \tan ^{-1}(a x)}\right )}{a^4 c \sqrt{a^2 c x^2+c}}+\frac{6 i \sqrt{a^2 x^2+1} \tan ^{-1}(a x) \text{PolyLog}\left (2,i e^{i \tan ^{-1}(a x)}\right )}{a^4 c \sqrt{a^2 c x^2+c}}+\frac{6 \sqrt{a^2 x^2+1} \text{PolyLog}\left (3,-i e^{i \tan ^{-1}(a x)}\right )}{a^4 c \sqrt{a^2 c x^2+c}}-\frac{6 \sqrt{a^2 x^2+1} \text{PolyLog}\left (3,i e^{i \tan ^{-1}(a x)}\right )}{a^4 c \sqrt{a^2 c x^2+c}}+\frac{\sqrt{a^2 c x^2+c} \tan ^{-1}(a x)^3}{a^4 c^2}+\frac{6 x}{a^3 c \sqrt{a^2 c x^2+c}}+\frac{\tan ^{-1}(a x)^3}{a^4 c \sqrt{a^2 c x^2+c}}+\frac{6 i \sqrt{a^2 x^2+1} \tan ^{-1}\left (e^{i \tan ^{-1}(a x)}\right ) \tan ^{-1}(a x)^2}{a^4 c \sqrt{a^2 c x^2+c}}-\frac{3 x \tan ^{-1}(a x)^2}{a^3 c \sqrt{a^2 c x^2+c}}-\frac{6 \tan ^{-1}(a x)}{a^4 c \sqrt{a^2 c x^2+c}} \]
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Rubi [A] time = 0.515933, antiderivative size = 403, normalized size of antiderivative = 1., number of steps used = 14, number of rules used = 10, integrand size = 24, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.417, Rules used = {4964, 4930, 4890, 4888, 4181, 2531, 2282, 6589, 4898, 191} \[ -\frac{6 i \sqrt{a^2 x^2+1} \tan ^{-1}(a x) \text{PolyLog}\left (2,-i e^{i \tan ^{-1}(a x)}\right )}{a^4 c \sqrt{a^2 c x^2+c}}+\frac{6 i \sqrt{a^2 x^2+1} \tan ^{-1}(a x) \text{PolyLog}\left (2,i e^{i \tan ^{-1}(a x)}\right )}{a^4 c \sqrt{a^2 c x^2+c}}+\frac{6 \sqrt{a^2 x^2+1} \text{PolyLog}\left (3,-i e^{i \tan ^{-1}(a x)}\right )}{a^4 c \sqrt{a^2 c x^2+c}}-\frac{6 \sqrt{a^2 x^2+1} \text{PolyLog}\left (3,i e^{i \tan ^{-1}(a x)}\right )}{a^4 c \sqrt{a^2 c x^2+c}}+\frac{\sqrt{a^2 c x^2+c} \tan ^{-1}(a x)^3}{a^4 c^2}+\frac{6 x}{a^3 c \sqrt{a^2 c x^2+c}}+\frac{\tan ^{-1}(a x)^3}{a^4 c \sqrt{a^2 c x^2+c}}+\frac{6 i \sqrt{a^2 x^2+1} \tan ^{-1}\left (e^{i \tan ^{-1}(a x)}\right ) \tan ^{-1}(a x)^2}{a^4 c \sqrt{a^2 c x^2+c}}-\frac{3 x \tan ^{-1}(a x)^2}{a^3 c \sqrt{a^2 c x^2+c}}-\frac{6 \tan ^{-1}(a x)}{a^4 c \sqrt{a^2 c x^2+c}} \]
Antiderivative was successfully verified.
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Rule 4964
Rule 4930
Rule 4890
Rule 4888
Rule 4181
Rule 2531
Rule 2282
Rule 6589
Rule 4898
Rule 191
Rubi steps
\begin{align*} \int \frac{x^3 \tan ^{-1}(a x)^3}{\left (c+a^2 c x^2\right )^{3/2}} \, dx &=-\frac{\int \frac{x \tan ^{-1}(a x)^3}{\left (c+a^2 c x^2\right )^{3/2}} \, dx}{a^2}+\frac{\int \frac{x \tan ^{-1}(a x)^3}{\sqrt{c+a^2 c x^2}} \, dx}{a^2 c}\\ &=\frac{\tan ^{-1}(a x)^3}{a^4 c \sqrt{c+a^2 c x^2}}+\frac{\sqrt{c+a^2 c x^2} \tan ^{-1}(a x)^3}{a^4 c^2}-\frac{3 \int \frac{\tan ^{-1}(a x)^2}{\left (c+a^2 c x^2\right )^{3/2}} \, dx}{a^3}-\frac{3 \int \frac{\tan ^{-1}(a x)^2}{\sqrt{c+a^2 c x^2}} \, dx}{a^3 c}\\ &=-\frac{6 \tan ^{-1}(a x)}{a^4 c \sqrt{c+a^2 c x^2}}-\frac{3 x \tan ^{-1}(a x)^2}{a^3 c \sqrt{c+a^2 c x^2}}+\frac{\tan ^{-1}(a x)^3}{a^4 c \sqrt{c+a^2 c x^2}}+\frac{\sqrt{c+a^2 c x^2} \tan ^{-1}(a x)^3}{a^4 c^2}+\frac{6 \int \frac{1}{\left (c+a^2 c x^2\right )^{3/2}} \, dx}{a^3}-\frac{\left (3 \sqrt{1+a^2 x^2}\right ) \int \frac{\tan ^{-1}(a x)^2}{\sqrt{1+a^2 x^2}} \, dx}{a^3 c \sqrt{c+a^2 c x^2}}\\ &=\frac{6 x}{a^3 c \sqrt{c+a^2 c x^2}}-\frac{6 \tan ^{-1}(a x)}{a^4 c \sqrt{c+a^2 c x^2}}-\frac{3 x \tan ^{-1}(a x)^2}{a^3 c \sqrt{c+a^2 c x^2}}+\frac{\tan ^{-1}(a x)^3}{a^4 c \sqrt{c+a^2 c x^2}}+\frac{\sqrt{c+a^2 c x^2} \tan ^{-1}(a x)^3}{a^4 c^2}-\frac{\left (3 \sqrt{1+a^2 x^2}\right ) \operatorname{Subst}\left (\int x^2 \sec (x) \, dx,x,\tan ^{-1}(a x)\right )}{a^4 c \sqrt{c+a^2 c x^2}}\\ &=\frac{6 x}{a^3 c \sqrt{c+a^2 c x^2}}-\frac{6 \tan ^{-1}(a x)}{a^4 c \sqrt{c+a^2 c x^2}}-\frac{3 x \tan ^{-1}(a x)^2}{a^3 c \sqrt{c+a^2 c x^2}}+\frac{6 i \sqrt{1+a^2 x^2} \tan ^{-1}\left (e^{i \tan ^{-1}(a x)}\right ) \tan ^{-1}(a x)^2}{a^4 c \sqrt{c+a^2 c x^2}}+\frac{\tan ^{-1}(a x)^3}{a^4 c \sqrt{c+a^2 c x^2}}+\frac{\sqrt{c+a^2 c x^2} \tan ^{-1}(a x)^3}{a^4 c^2}+\frac{\left (6 \sqrt{1+a^2 x^2}\right ) \operatorname{Subst}\left (\int x \log \left (1-i e^{i x}\right ) \, dx,x,\tan ^{-1}(a x)\right )}{a^4 c \sqrt{c+a^2 c x^2}}-\frac{\left (6 \sqrt{1+a^2 x^2}\right ) \operatorname{Subst}\left (\int x \log \left (1+i e^{i x}\right ) \, dx,x,\tan ^{-1}(a x)\right )}{a^4 c \sqrt{c+a^2 c x^2}}\\ &=\frac{6 x}{a^3 c \sqrt{c+a^2 c x^2}}-\frac{6 \tan ^{-1}(a x)}{a^4 c \sqrt{c+a^2 c x^2}}-\frac{3 x \tan ^{-1}(a x)^2}{a^3 c \sqrt{c+a^2 c x^2}}+\frac{6 i \sqrt{1+a^2 x^2} \tan ^{-1}\left (e^{i \tan ^{-1}(a x)}\right ) \tan ^{-1}(a x)^2}{a^4 c \sqrt{c+a^2 c x^2}}+\frac{\tan ^{-1}(a x)^3}{a^4 c \sqrt{c+a^2 c x^2}}+\frac{\sqrt{c+a^2 c x^2} \tan ^{-1}(a x)^3}{a^4 c^2}-\frac{6 i \sqrt{1+a^2 x^2} \tan ^{-1}(a x) \text{Li}_2\left (-i e^{i \tan ^{-1}(a x)}\right )}{a^4 c \sqrt{c+a^2 c x^2}}+\frac{6 i \sqrt{1+a^2 x^2} \tan ^{-1}(a x) \text{Li}_2\left (i e^{i \tan ^{-1}(a x)}\right )}{a^4 c \sqrt{c+a^2 c x^2}}+\frac{\left (6 i \sqrt{1+a^2 x^2}\right ) \operatorname{Subst}\left (\int \text{Li}_2\left (-i e^{i x}\right ) \, dx,x,\tan ^{-1}(a x)\right )}{a^4 c \sqrt{c+a^2 c x^2}}-\frac{\left (6 i \sqrt{1+a^2 x^2}\right ) \operatorname{Subst}\left (\int \text{Li}_2\left (i e^{i x}\right ) \, dx,x,\tan ^{-1}(a x)\right )}{a^4 c \sqrt{c+a^2 c x^2}}\\ &=\frac{6 x}{a^3 c \sqrt{c+a^2 c x^2}}-\frac{6 \tan ^{-1}(a x)}{a^4 c \sqrt{c+a^2 c x^2}}-\frac{3 x \tan ^{-1}(a x)^2}{a^3 c \sqrt{c+a^2 c x^2}}+\frac{6 i \sqrt{1+a^2 x^2} \tan ^{-1}\left (e^{i \tan ^{-1}(a x)}\right ) \tan ^{-1}(a x)^2}{a^4 c \sqrt{c+a^2 c x^2}}+\frac{\tan ^{-1}(a x)^3}{a^4 c \sqrt{c+a^2 c x^2}}+\frac{\sqrt{c+a^2 c x^2} \tan ^{-1}(a x)^3}{a^4 c^2}-\frac{6 i \sqrt{1+a^2 x^2} \tan ^{-1}(a x) \text{Li}_2\left (-i e^{i \tan ^{-1}(a x)}\right )}{a^4 c \sqrt{c+a^2 c x^2}}+\frac{6 i \sqrt{1+a^2 x^2} \tan ^{-1}(a x) \text{Li}_2\left (i e^{i \tan ^{-1}(a x)}\right )}{a^4 c \sqrt{c+a^2 c x^2}}+\frac{\left (6 \sqrt{1+a^2 x^2}\right ) \operatorname{Subst}\left (\int \frac{\text{Li}_2(-i x)}{x} \, dx,x,e^{i \tan ^{-1}(a x)}\right )}{a^4 c \sqrt{c+a^2 c x^2}}-\frac{\left (6 \sqrt{1+a^2 x^2}\right ) \operatorname{Subst}\left (\int \frac{\text{Li}_2(i x)}{x} \, dx,x,e^{i \tan ^{-1}(a x)}\right )}{a^4 c \sqrt{c+a^2 c x^2}}\\ &=\frac{6 x}{a^3 c \sqrt{c+a^2 c x^2}}-\frac{6 \tan ^{-1}(a x)}{a^4 c \sqrt{c+a^2 c x^2}}-\frac{3 x \tan ^{-1}(a x)^2}{a^3 c \sqrt{c+a^2 c x^2}}+\frac{6 i \sqrt{1+a^2 x^2} \tan ^{-1}\left (e^{i \tan ^{-1}(a x)}\right ) \tan ^{-1}(a x)^2}{a^4 c \sqrt{c+a^2 c x^2}}+\frac{\tan ^{-1}(a x)^3}{a^4 c \sqrt{c+a^2 c x^2}}+\frac{\sqrt{c+a^2 c x^2} \tan ^{-1}(a x)^3}{a^4 c^2}-\frac{6 i \sqrt{1+a^2 x^2} \tan ^{-1}(a x) \text{Li}_2\left (-i e^{i \tan ^{-1}(a x)}\right )}{a^4 c \sqrt{c+a^2 c x^2}}+\frac{6 i \sqrt{1+a^2 x^2} \tan ^{-1}(a x) \text{Li}_2\left (i e^{i \tan ^{-1}(a x)}\right )}{a^4 c \sqrt{c+a^2 c x^2}}+\frac{6 \sqrt{1+a^2 x^2} \text{Li}_3\left (-i e^{i \tan ^{-1}(a x)}\right )}{a^4 c \sqrt{c+a^2 c x^2}}-\frac{6 \sqrt{1+a^2 x^2} \text{Li}_3\left (i e^{i \tan ^{-1}(a x)}\right )}{a^4 c \sqrt{c+a^2 c x^2}}\\ \end{align*}
Mathematica [A] time = 0.795253, size = 308, normalized size = 0.76 \[ \frac{\sqrt{a^2 x^2+1} \left (-6 i \tan ^{-1}(a x) \text{PolyLog}\left (2,-i e^{i \tan ^{-1}(a x)}\right )+6 i \tan ^{-1}(a x) \text{PolyLog}\left (2,i e^{i \tan ^{-1}(a x)}\right )+6 \text{PolyLog}\left (3,-i e^{i \tan ^{-1}(a x)}\right )-6 \text{PolyLog}\left (3,i e^{i \tan ^{-1}(a x)}\right )+\frac{6 a x}{\sqrt{a^2 x^2+1}}+\frac{3}{2} \sqrt{a^2 x^2+1} \tan ^{-1}(a x)^3-\frac{3 a x \tan ^{-1}(a x)^2}{\sqrt{a^2 x^2+1}}-3 \sqrt{a^2 x^2+1} \tan ^{-1}(a x)+\frac{1}{2} \sqrt{a^2 x^2+1} \tan ^{-1}(a x)^3 \cos \left (2 \tan ^{-1}(a x)\right )-3 \sqrt{a^2 x^2+1} \tan ^{-1}(a x) \cos \left (2 \tan ^{-1}(a x)\right )-3 \tan ^{-1}(a x)^2 \log \left (1-i e^{i \tan ^{-1}(a x)}\right )+3 \tan ^{-1}(a x)^2 \log \left (1+i e^{i \tan ^{-1}(a x)}\right )\right )}{a^4 c \sqrt{c \left (a^2 x^2+1\right )}} \]
Warning: Unable to verify antiderivative.
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Maple [F] time = 1.137, size = 0, normalized size = 0. \begin{align*} \int{{x}^{3} \left ( \arctan \left ( ax \right ) \right ) ^{3} \left ({a}^{2}c{x}^{2}+c \right ) ^{-{\frac{3}{2}}}}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F(-2)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Exception raised: ValueError} \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{\sqrt{a^{2} c x^{2} + c} x^{3} \arctan \left (a x\right )^{3}}{a^{4} c^{2} x^{4} + 2 \, a^{2} c^{2} x^{2} + c^{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*} \int \frac{x^{3} \operatorname{atan}^{3}{\left (a x \right )}}{\left (c \left (a^{2} x^{2} + 1\right )\right )^{\frac{3}{2}}}\, dx \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{x^{3} \arctan \left (a x\right )^{3}}{{\left (a^{2} c x^{2} + c\right )}^{\frac{3}{2}}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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