Optimal. Leaf size=194 \[ \frac{23 i \text{PolyLog}\left (2,1-\frac{2}{1+i a x}\right )}{30 a^6}+\frac{x^3}{60 a^3}+\frac{x^4 \cot ^{-1}(a x)}{20 a^2}-\frac{x^3 \cot ^{-1}(a x)^2}{6 a^3}-\frac{4 x^2 \cot ^{-1}(a x)}{15 a^4}-\frac{19 x}{60 a^5}+\frac{19 \tan ^{-1}(a x)}{60 a^6}+\frac{x \cot ^{-1}(a x)^2}{2 a^5}+\frac{\cot ^{-1}(a x)^3}{6 a^6}+\frac{23 i \cot ^{-1}(a x)^2}{30 a^6}-\frac{23 \log \left (\frac{2}{1+i a x}\right ) \cot ^{-1}(a x)}{15 a^6}+\frac{1}{6} x^6 \cot ^{-1}(a x)^3+\frac{x^5 \cot ^{-1}(a x)^2}{10 a} \]
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Rubi [A] time = 0.666636, antiderivative size = 194, normalized size of antiderivative = 1., number of steps used = 33, number of rules used = 11, integrand size = 10, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 1.1, Rules used = {4853, 4917, 302, 203, 321, 4921, 4855, 2402, 2315, 4847, 4885} \[ \frac{23 i \text{PolyLog}\left (2,1-\frac{2}{1+i a x}\right )}{30 a^6}+\frac{x^3}{60 a^3}+\frac{x^4 \cot ^{-1}(a x)}{20 a^2}-\frac{x^3 \cot ^{-1}(a x)^2}{6 a^3}-\frac{4 x^2 \cot ^{-1}(a x)}{15 a^4}-\frac{19 x}{60 a^5}+\frac{19 \tan ^{-1}(a x)}{60 a^6}+\frac{x \cot ^{-1}(a x)^2}{2 a^5}+\frac{\cot ^{-1}(a x)^3}{6 a^6}+\frac{23 i \cot ^{-1}(a x)^2}{30 a^6}-\frac{23 \log \left (\frac{2}{1+i a x}\right ) \cot ^{-1}(a x)}{15 a^6}+\frac{1}{6} x^6 \cot ^{-1}(a x)^3+\frac{x^5 \cot ^{-1}(a x)^2}{10 a} \]
Antiderivative was successfully verified.
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Rule 4853
Rule 4917
Rule 302
Rule 203
Rule 321
Rule 4921
Rule 4855
Rule 2402
Rule 2315
Rule 4847
Rule 4885
Rubi steps
\begin{align*} \int x^5 \cot ^{-1}(a x)^3 \, dx &=\frac{1}{6} x^6 \cot ^{-1}(a x)^3+\frac{1}{2} a \int \frac{x^6 \cot ^{-1}(a x)^2}{1+a^2 x^2} \, dx\\ &=\frac{1}{6} x^6 \cot ^{-1}(a x)^3+\frac{\int x^4 \cot ^{-1}(a x)^2 \, dx}{2 a}-\frac{\int \frac{x^4 \cot ^{-1}(a x)^2}{1+a^2 x^2} \, dx}{2 a}\\ &=\frac{x^5 \cot ^{-1}(a x)^2}{10 a}+\frac{1}{6} x^6 \cot ^{-1}(a x)^3+\frac{1}{5} \int \frac{x^5 \cot ^{-1}(a x)}{1+a^2 x^2} \, dx-\frac{\int x^2 \cot ^{-1}(a x)^2 \, dx}{2 a^3}+\frac{\int \frac{x^2 \cot ^{-1}(a x)^2}{1+a^2 x^2} \, dx}{2 a^3}\\ &=-\frac{x^3 \cot ^{-1}(a x)^2}{6 a^3}+\frac{x^5 \cot ^{-1}(a x)^2}{10 a}+\frac{1}{6} x^6 \cot ^{-1}(a x)^3+\frac{\int \cot ^{-1}(a x)^2 \, dx}{2 a^5}-\frac{\int \frac{\cot ^{-1}(a x)^2}{1+a^2 x^2} \, dx}{2 a^5}+\frac{\int x^3 \cot ^{-1}(a x) \, dx}{5 a^2}-\frac{\int \frac{x^3 \cot ^{-1}(a x)}{1+a^2 x^2} \, dx}{5 a^2}-\frac{\int \frac{x^3 \cot ^{-1}(a x)}{1+a^2 x^2} \, dx}{3 a^2}\\ &=\frac{x^4 \cot ^{-1}(a x)}{20 a^2}+\frac{x \cot ^{-1}(a x)^2}{2 a^5}-\frac{x^3 \cot ^{-1}(a x)^2}{6 a^3}+\frac{x^5 \cot ^{-1}(a x)^2}{10 a}+\frac{\cot ^{-1}(a x)^3}{6 a^6}+\frac{1}{6} x^6 \cot ^{-1}(a x)^3-\frac{\int x \cot ^{-1}(a x) \, dx}{5 a^4}+\frac{\int \frac{x \cot ^{-1}(a x)}{1+a^2 x^2} \, dx}{5 a^4}-\frac{\int x \cot ^{-1}(a x) \, dx}{3 a^4}+\frac{\int \frac{x \cot ^{-1}(a x)}{1+a^2 x^2} \, dx}{3 a^4}+\frac{\int \frac{x \cot ^{-1}(a x)}{1+a^2 x^2} \, dx}{a^4}+\frac{\int \frac{x^4}{1+a^2 x^2} \, dx}{20 a}\\ &=-\frac{4 x^2 \cot ^{-1}(a x)}{15 a^4}+\frac{x^4 \cot ^{-1}(a x)}{20 a^2}+\frac{23 i \cot ^{-1}(a x)^2}{30 a^6}+\frac{x \cot ^{-1}(a x)^2}{2 a^5}-\frac{x^3 \cot ^{-1}(a x)^2}{6 a^3}+\frac{x^5 \cot ^{-1}(a x)^2}{10 a}+\frac{\cot ^{-1}(a x)^3}{6 a^6}+\frac{1}{6} x^6 \cot ^{-1}(a x)^3-\frac{\int \frac{\cot ^{-1}(a x)}{i-a x} \, dx}{5 a^5}-\frac{\int \frac{\cot ^{-1}(a x)}{i-a x} \, dx}{3 a^5}-\frac{\int \frac{\cot ^{-1}(a x)}{i-a x} \, dx}{a^5}-\frac{\int \frac{x^2}{1+a^2 x^2} \, dx}{10 a^3}-\frac{\int \frac{x^2}{1+a^2 x^2} \, dx}{6 a^3}+\frac{\int \left (-\frac{1}{a^4}+\frac{x^2}{a^2}+\frac{1}{a^4 \left (1+a^2 x^2\right )}\right ) \, dx}{20 a}\\ &=-\frac{19 x}{60 a^5}+\frac{x^3}{60 a^3}-\frac{4 x^2 \cot ^{-1}(a x)}{15 a^4}+\frac{x^4 \cot ^{-1}(a x)}{20 a^2}+\frac{23 i \cot ^{-1}(a x)^2}{30 a^6}+\frac{x \cot ^{-1}(a x)^2}{2 a^5}-\frac{x^3 \cot ^{-1}(a x)^2}{6 a^3}+\frac{x^5 \cot ^{-1}(a x)^2}{10 a}+\frac{\cot ^{-1}(a x)^3}{6 a^6}+\frac{1}{6} x^6 \cot ^{-1}(a x)^3-\frac{23 \cot ^{-1}(a x) \log \left (\frac{2}{1+i a x}\right )}{15 a^6}+\frac{\int \frac{1}{1+a^2 x^2} \, dx}{20 a^5}+\frac{\int \frac{1}{1+a^2 x^2} \, dx}{10 a^5}+\frac{\int \frac{1}{1+a^2 x^2} \, dx}{6 a^5}-\frac{\int \frac{\log \left (\frac{2}{1+i a x}\right )}{1+a^2 x^2} \, dx}{5 a^5}-\frac{\int \frac{\log \left (\frac{2}{1+i a x}\right )}{1+a^2 x^2} \, dx}{3 a^5}-\frac{\int \frac{\log \left (\frac{2}{1+i a x}\right )}{1+a^2 x^2} \, dx}{a^5}\\ &=-\frac{19 x}{60 a^5}+\frac{x^3}{60 a^3}-\frac{4 x^2 \cot ^{-1}(a x)}{15 a^4}+\frac{x^4 \cot ^{-1}(a x)}{20 a^2}+\frac{23 i \cot ^{-1}(a x)^2}{30 a^6}+\frac{x \cot ^{-1}(a x)^2}{2 a^5}-\frac{x^3 \cot ^{-1}(a x)^2}{6 a^3}+\frac{x^5 \cot ^{-1}(a x)^2}{10 a}+\frac{\cot ^{-1}(a x)^3}{6 a^6}+\frac{1}{6} x^6 \cot ^{-1}(a x)^3+\frac{19 \tan ^{-1}(a x)}{60 a^6}-\frac{23 \cot ^{-1}(a x) \log \left (\frac{2}{1+i a x}\right )}{15 a^6}+\frac{i \operatorname{Subst}\left (\int \frac{\log (2 x)}{1-2 x} \, dx,x,\frac{1}{1+i a x}\right )}{5 a^6}+\frac{i \operatorname{Subst}\left (\int \frac{\log (2 x)}{1-2 x} \, dx,x,\frac{1}{1+i a x}\right )}{3 a^6}+\frac{i \operatorname{Subst}\left (\int \frac{\log (2 x)}{1-2 x} \, dx,x,\frac{1}{1+i a x}\right )}{a^6}\\ &=-\frac{19 x}{60 a^5}+\frac{x^3}{60 a^3}-\frac{4 x^2 \cot ^{-1}(a x)}{15 a^4}+\frac{x^4 \cot ^{-1}(a x)}{20 a^2}+\frac{23 i \cot ^{-1}(a x)^2}{30 a^6}+\frac{x \cot ^{-1}(a x)^2}{2 a^5}-\frac{x^3 \cot ^{-1}(a x)^2}{6 a^3}+\frac{x^5 \cot ^{-1}(a x)^2}{10 a}+\frac{\cot ^{-1}(a x)^3}{6 a^6}+\frac{1}{6} x^6 \cot ^{-1}(a x)^3+\frac{19 \tan ^{-1}(a x)}{60 a^6}-\frac{23 \cot ^{-1}(a x) \log \left (\frac{2}{1+i a x}\right )}{15 a^6}+\frac{23 i \text{Li}_2\left (1-\frac{2}{1+i a x}\right )}{30 a^6}\\ \end{align*}
Mathematica [A] time = 0.600621, size = 125, normalized size = 0.64 \[ \frac{46 i \text{PolyLog}\left (2,e^{2 i \cot ^{-1}(a x)}\right )+a x \left (a^2 x^2-19\right )+10 \left (a^6 x^6+1\right ) \cot ^{-1}(a x)^3+2 \left (3 a^5 x^5-5 a^3 x^3+15 a x+23 i\right ) \cot ^{-1}(a x)^2+\cot ^{-1}(a x) \left (3 a^4 x^4-16 a^2 x^2-92 \log \left (1-e^{2 i \cot ^{-1}(a x)}\right )-19\right )}{60 a^6} \]
Warning: Unable to verify antiderivative.
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Maple [A] time = 0.531, size = 243, normalized size = 1.3 \begin{align*}{\frac{{x}^{6} \left ({\rm arccot} \left (ax\right ) \right ) ^{3}}{6}}+{\frac{ \left ({\rm arccot} \left (ax\right ) \right ) ^{3}}{6\,{a}^{6}}}+{\frac{{x}^{5} \left ({\rm arccot} \left (ax\right ) \right ) ^{2}}{10\,a}}-{\frac{{x}^{3} \left ({\rm arccot} \left (ax\right ) \right ) ^{2}}{6\,{a}^{3}}}+{\frac{{x}^{4}{\rm arccot} \left (ax\right )}{20\,{a}^{2}}}-{\frac{4\,{x}^{2}{\rm arccot} \left (ax\right )}{15\,{a}^{4}}}+{\frac{x \left ({\rm arccot} \left (ax\right ) \right ) ^{2}}{2\,{a}^{5}}}+{\frac{{x}^{3}}{60\,{a}^{3}}}-{\frac{19\,x}{60\,{a}^{5}}}+{\frac{{\frac{i}{3}}}{{a}^{6}}}-{\frac{19\,{\rm arccot} \left (ax\right )}{60\,{a}^{6}}}+{\frac{{\frac{23\,i}{15}}}{{a}^{6}}{\it polylog} \left ( 2,-{(ax+i){\frac{1}{\sqrt{{a}^{2}{x}^{2}+1}}}} \right ) }-{\frac{23\,{\rm arccot} \left (ax\right )}{15\,{a}^{6}}\ln \left ( 1+{(ax+i){\frac{1}{\sqrt{{a}^{2}{x}^{2}+1}}}} \right ) }+{\frac{{\frac{23\,i}{15}}}{{a}^{6}}{\it polylog} \left ( 2,{(ax+i){\frac{1}{\sqrt{{a}^{2}{x}^{2}+1}}}} \right ) }-{\frac{23\,{\rm arccot} \left (ax\right )}{15\,{a}^{6}}\ln \left ( 1-{(ax+i){\frac{1}{\sqrt{{a}^{2}{x}^{2}+1}}}} \right ) }+{\frac{{\frac{23\,i}{30}} \left ({\rm arccot} \left (ax\right ) \right ) ^{2}}{{a}^{6}}} \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 (x^{5} \operatorname{arccot}\left (a x\right )^{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*} \int x^{5} \operatorname{acot}^{3}{\left (a x \right )}\, 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 x^{5} \operatorname{arccot}\left (a x\right )^{3}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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