Optimal. Leaf size=126 \[ -\frac{2 \text{PolyLog}\left (2,a x^2\right )}{5 d (d x)^{5/2}}-\frac{16 a^{5/4} \tan ^{-1}\left (\frac{\sqrt [4]{a} \sqrt{d x}}{\sqrt{d}}\right )}{25 d^{7/2}}+\frac{16 a^{5/4} \tanh ^{-1}\left (\frac{\sqrt [4]{a} \sqrt{d x}}{\sqrt{d}}\right )}{25 d^{7/2}}-\frac{32 a}{25 d^3 \sqrt{d x}}+\frac{8 \log \left (1-a x^2\right )}{25 d (d x)^{5/2}} \]
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Rubi [A] time = 0.0858323, antiderivative size = 126, normalized size of antiderivative = 1., number of steps used = 8, number of rules used = 8, integrand size = 15, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.533, Rules used = {6591, 2455, 16, 325, 329, 298, 205, 208} \[ -\frac{2 \text{PolyLog}\left (2,a x^2\right )}{5 d (d x)^{5/2}}-\frac{16 a^{5/4} \tan ^{-1}\left (\frac{\sqrt [4]{a} \sqrt{d x}}{\sqrt{d}}\right )}{25 d^{7/2}}+\frac{16 a^{5/4} \tanh ^{-1}\left (\frac{\sqrt [4]{a} \sqrt{d x}}{\sqrt{d}}\right )}{25 d^{7/2}}-\frac{32 a}{25 d^3 \sqrt{d x}}+\frac{8 \log \left (1-a x^2\right )}{25 d (d x)^{5/2}} \]
Antiderivative was successfully verified.
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Rule 6591
Rule 2455
Rule 16
Rule 325
Rule 329
Rule 298
Rule 205
Rule 208
Rubi steps
\begin{align*} \int \frac{\text{Li}_2\left (a x^2\right )}{(d x)^{7/2}} \, dx &=-\frac{2 \text{Li}_2\left (a x^2\right )}{5 d (d x)^{5/2}}-\frac{4}{5} \int \frac{\log \left (1-a x^2\right )}{(d x)^{7/2}} \, dx\\ &=\frac{8 \log \left (1-a x^2\right )}{25 d (d x)^{5/2}}-\frac{2 \text{Li}_2\left (a x^2\right )}{5 d (d x)^{5/2}}+\frac{(16 a) \int \frac{x}{(d x)^{5/2} \left (1-a x^2\right )} \, dx}{25 d}\\ &=\frac{8 \log \left (1-a x^2\right )}{25 d (d x)^{5/2}}-\frac{2 \text{Li}_2\left (a x^2\right )}{5 d (d x)^{5/2}}+\frac{(16 a) \int \frac{1}{(d x)^{3/2} \left (1-a x^2\right )} \, dx}{25 d^2}\\ &=-\frac{32 a}{25 d^3 \sqrt{d x}}+\frac{8 \log \left (1-a x^2\right )}{25 d (d x)^{5/2}}-\frac{2 \text{Li}_2\left (a x^2\right )}{5 d (d x)^{5/2}}+\frac{\left (16 a^2\right ) \int \frac{\sqrt{d x}}{1-a x^2} \, dx}{25 d^4}\\ &=-\frac{32 a}{25 d^3 \sqrt{d x}}+\frac{8 \log \left (1-a x^2\right )}{25 d (d x)^{5/2}}-\frac{2 \text{Li}_2\left (a x^2\right )}{5 d (d x)^{5/2}}+\frac{\left (32 a^2\right ) \operatorname{Subst}\left (\int \frac{x^2}{1-\frac{a x^4}{d^2}} \, dx,x,\sqrt{d x}\right )}{25 d^5}\\ &=-\frac{32 a}{25 d^3 \sqrt{d x}}+\frac{8 \log \left (1-a x^2\right )}{25 d (d x)^{5/2}}-\frac{2 \text{Li}_2\left (a x^2\right )}{5 d (d x)^{5/2}}+\frac{\left (16 a^{3/2}\right ) \operatorname{Subst}\left (\int \frac{1}{d-\sqrt{a} x^2} \, dx,x,\sqrt{d x}\right )}{25 d^3}-\frac{\left (16 a^{3/2}\right ) \operatorname{Subst}\left (\int \frac{1}{d+\sqrt{a} x^2} \, dx,x,\sqrt{d x}\right )}{25 d^3}\\ &=-\frac{32 a}{25 d^3 \sqrt{d x}}-\frac{16 a^{5/4} \tan ^{-1}\left (\frac{\sqrt [4]{a} \sqrt{d x}}{\sqrt{d}}\right )}{25 d^{7/2}}+\frac{16 a^{5/4} \tanh ^{-1}\left (\frac{\sqrt [4]{a} \sqrt{d x}}{\sqrt{d}}\right )}{25 d^{7/2}}+\frac{8 \log \left (1-a x^2\right )}{25 d (d x)^{5/2}}-\frac{2 \text{Li}_2\left (a x^2\right )}{5 d (d x)^{5/2}}\\ \end{align*}
Mathematica [C] time = 0.0765584, size = 70, normalized size = 0.56 \[ -\frac{x \text{Gamma}\left (-\frac{1}{4}\right ) \left (16 a^2 x^4 \text{Hypergeometric2F1}\left (\frac{3}{4},1,\frac{7}{4},a x^2\right )-15 \text{PolyLog}\left (2,a x^2\right )-48 a x^2+12 \log \left (1-a x^2\right )\right )}{150 \text{Gamma}\left (\frac{3}{4}\right ) (d x)^{7/2}} \]
Warning: Unable to verify antiderivative.
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Maple [A] time = 0.056, size = 140, normalized size = 1.1 \begin{align*} -{\frac{2\,{\it polylog} \left ( 2,a{x}^{2} \right ) }{5\,d} \left ( dx \right ) ^{-{\frac{5}{2}}}}+{\frac{8}{25\,d}\ln \left ({\frac{-a{d}^{2}{x}^{2}+{d}^{2}}{{d}^{2}}} \right ) \left ( dx \right ) ^{-{\frac{5}{2}}}}-{\frac{32\,a}{25\,{d}^{3}}{\frac{1}{\sqrt{dx}}}}-{\frac{16\,a}{25\,{d}^{3}}\arctan \left ({\sqrt{dx}{\frac{1}{\sqrt [4]{{\frac{{d}^{2}}{a}}}}}} \right ){\frac{1}{\sqrt [4]{{\frac{{d}^{2}}{a}}}}}}+{\frac{8\,a}{25\,{d}^{3}}\ln \left ({ \left ( \sqrt{dx}+\sqrt [4]{{\frac{{d}^{2}}{a}}} \right ) \left ( \sqrt{dx}-\sqrt [4]{{\frac{{d}^{2}}{a}}} \right ) ^{-1}} \right ){\frac{1}{\sqrt [4]{{\frac{{d}^{2}}{a}}}}}} \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 [B] time = 2.75536, size = 512, normalized size = 4.06 \begin{align*} \frac{2 \,{\left (16 \, d^{4} x^{3} \left (\frac{a^{5}}{d^{14}}\right )^{\frac{1}{4}} \arctan \left (-\frac{\sqrt{d x} a^{4} d^{3} \left (\frac{a^{5}}{d^{14}}\right )^{\frac{1}{4}} - \sqrt{a^{5} d^{8} \sqrt{\frac{a^{5}}{d^{14}}} + a^{8} d x} d^{3} \left (\frac{a^{5}}{d^{14}}\right )^{\frac{1}{4}}}{a^{5}}\right ) + 4 \, d^{4} x^{3} \left (\frac{a^{5}}{d^{14}}\right )^{\frac{1}{4}} \log \left (512 \, d^{11} \left (\frac{a^{5}}{d^{14}}\right )^{\frac{3}{4}} + 512 \, \sqrt{d x} a^{4}\right ) - 4 \, d^{4} x^{3} \left (\frac{a^{5}}{d^{14}}\right )^{\frac{1}{4}} \log \left (-512 \, d^{11} \left (\frac{a^{5}}{d^{14}}\right )^{\frac{3}{4}} + 512 \, \sqrt{d x} a^{4}\right ) -{\left (16 \, a x^{2} + 5 \,{\rm Li}_2\left (a x^{2}\right ) - 4 \, \log \left (-a x^{2} + 1\right )\right )} \sqrt{d x}\right )}}{25 \, d^{4} x^{3}} \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^{2}\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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