Optimal. Leaf size=106 \[ -\frac{2 \text{PolyLog}(2,a x)}{5 d (d x)^{5/2}}-\frac{8 a^2}{25 d^3 \sqrt{d x}}+\frac{8 a^{5/2} \tanh ^{-1}\left (\frac{\sqrt{a} \sqrt{d x}}{\sqrt{d}}\right )}{25 d^{7/2}}-\frac{8 a}{75 d^2 (d x)^{3/2}}+\frac{4 \log (1-a x)}{25 d (d x)^{5/2}} \]
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Rubi [A] time = 0.057124, antiderivative size = 106, normalized size of antiderivative = 1., number of steps used = 6, number of rules used = 5, integrand size = 13, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.385, Rules used = {6591, 2395, 51, 63, 206} \[ -\frac{2 \text{PolyLog}(2,a x)}{5 d (d x)^{5/2}}-\frac{8 a^2}{25 d^3 \sqrt{d x}}+\frac{8 a^{5/2} \tanh ^{-1}\left (\frac{\sqrt{a} \sqrt{d x}}{\sqrt{d}}\right )}{25 d^{7/2}}-\frac{8 a}{75 d^2 (d x)^{3/2}}+\frac{4 \log (1-a x)}{25 d (d x)^{5/2}} \]
Antiderivative was successfully verified.
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Rule 6591
Rule 2395
Rule 51
Rule 63
Rule 206
Rubi steps
\begin{align*} \int \frac{\text{Li}_2(a x)}{(d x)^{7/2}} \, dx &=-\frac{2 \text{Li}_2(a x)}{5 d (d x)^{5/2}}-\frac{2}{5} \int \frac{\log (1-a x)}{(d x)^{7/2}} \, dx\\ &=\frac{4 \log (1-a x)}{25 d (d x)^{5/2}}-\frac{2 \text{Li}_2(a x)}{5 d (d x)^{5/2}}+\frac{(4 a) \int \frac{1}{(d x)^{5/2} (1-a x)} \, dx}{25 d}\\ &=-\frac{8 a}{75 d^2 (d x)^{3/2}}+\frac{4 \log (1-a x)}{25 d (d x)^{5/2}}-\frac{2 \text{Li}_2(a x)}{5 d (d x)^{5/2}}+\frac{\left (4 a^2\right ) \int \frac{1}{(d x)^{3/2} (1-a x)} \, dx}{25 d^2}\\ &=-\frac{8 a}{75 d^2 (d x)^{3/2}}-\frac{8 a^2}{25 d^3 \sqrt{d x}}+\frac{4 \log (1-a x)}{25 d (d x)^{5/2}}-\frac{2 \text{Li}_2(a x)}{5 d (d x)^{5/2}}+\frac{\left (4 a^3\right ) \int \frac{1}{\sqrt{d x} (1-a x)} \, dx}{25 d^3}\\ &=-\frac{8 a}{75 d^2 (d x)^{3/2}}-\frac{8 a^2}{25 d^3 \sqrt{d x}}+\frac{4 \log (1-a x)}{25 d (d x)^{5/2}}-\frac{2 \text{Li}_2(a x)}{5 d (d x)^{5/2}}+\frac{\left (8 a^3\right ) \operatorname{Subst}\left (\int \frac{1}{1-\frac{a x^2}{d}} \, dx,x,\sqrt{d x}\right )}{25 d^4}\\ &=-\frac{8 a}{75 d^2 (d x)^{3/2}}-\frac{8 a^2}{25 d^3 \sqrt{d x}}+\frac{8 a^{5/2} \tanh ^{-1}\left (\frac{\sqrt{a} \sqrt{d x}}{\sqrt{d}}\right )}{25 d^{7/2}}+\frac{4 \log (1-a x)}{25 d (d x)^{5/2}}-\frac{2 \text{Li}_2(a x)}{5 d (d x)^{5/2}}\\ \end{align*}
Mathematica [A] time = 0.0946373, size = 65, normalized size = 0.61 \[ -\frac{2 x \left (15 \text{PolyLog}(2,a x)+12 a^2 x^2-12 a^{5/2} x^{5/2} \tanh ^{-1}\left (\sqrt{a} \sqrt{x}\right )+4 a x-6 \log (1-a x)\right )}{75 (d x)^{7/2}} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.054, size = 89, normalized size = 0.8 \begin{align*} -{\frac{2\,{\it polylog} \left ( 2,ax \right ) }{5\,d} \left ( dx \right ) ^{-{\frac{5}{2}}}}+{\frac{4}{25\,d}\ln \left ({\frac{-adx+d}{d}} \right ) \left ( dx \right ) ^{-{\frac{5}{2}}}}-{\frac{8\,a}{75\,{d}^{2}} \left ( dx \right ) ^{-{\frac{3}{2}}}}-{\frac{8\,{a}^{2}}{25\,{d}^{3}}{\frac{1}{\sqrt{dx}}}}+{\frac{8\,{a}^{3}}{25\,{d}^{3}}{\it Artanh} \left ({a\sqrt{dx}{\frac{1}{\sqrt{ad}}}} \right ){\frac{1}{\sqrt{ad}}}} \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 [A] time = 2.59325, size = 412, normalized size = 3.89 \begin{align*} \left [\frac{2 \,{\left (6 \, a^{2} d x^{3} \sqrt{\frac{a}{d}} \log \left (\frac{a x + 2 \, \sqrt{d x} \sqrt{\frac{a}{d}} + 1}{a x - 1}\right ) -{\left (12 \, a^{2} x^{2} + 4 \, a x + 15 \,{\rm Li}_2\left (a x\right ) - 6 \, \log \left (-a x + 1\right )\right )} \sqrt{d x}\right )}}{75 \, d^{4} x^{3}}, -\frac{2 \,{\left (12 \, a^{2} d x^{3} \sqrt{-\frac{a}{d}} \arctan \left (\frac{\sqrt{d x} \sqrt{-\frac{a}{d}}}{a x}\right ) +{\left (12 \, a^{2} x^{2} + 4 \, a x + 15 \,{\rm Li}_2\left (a x\right ) - 6 \, \log \left (-a x + 1\right )\right )} \sqrt{d x}\right )}}{75 \, d^{4} x^{3}}\right ] \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [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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Giac [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{{\rm Li}_2\left (a x\right )}{\left (d x\right )^{\frac{7}{2}}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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