Optimal. Leaf size=128 \[ -\frac{x^5}{16 \left (c^4-\frac{1}{x^4}\right ) \text{csch}^{\frac{3}{2}}(2 \log (c x))}+\frac{x}{32 c^4 \left (c^4-\frac{1}{x^4}\right ) \text{csch}^{\frac{3}{2}}(2 \log (c x))}+\frac{\tanh ^{-1}\left (\sqrt{1-\frac{1}{c^4 x^4}}\right )}{32 c^{12} x^3 \left (1-\frac{1}{c^4 x^4}\right )^{3/2} \text{csch}^{\frac{3}{2}}(2 \log (c x))}+\frac{x^9}{12 \text{csch}^{\frac{3}{2}}(2 \log (c x))} \]
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Rubi [A] time = 0.0799591, antiderivative size = 128, normalized size of antiderivative = 1., number of steps used = 8, number of rules used = 7, integrand size = 15, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.467, Rules used = {5552, 5550, 266, 47, 51, 63, 206} \[ -\frac{x^5}{16 \left (c^4-\frac{1}{x^4}\right ) \text{csch}^{\frac{3}{2}}(2 \log (c x))}+\frac{x}{32 c^4 \left (c^4-\frac{1}{x^4}\right ) \text{csch}^{\frac{3}{2}}(2 \log (c x))}+\frac{\tanh ^{-1}\left (\sqrt{1-\frac{1}{c^4 x^4}}\right )}{32 c^{12} x^3 \left (1-\frac{1}{c^4 x^4}\right )^{3/2} \text{csch}^{\frac{3}{2}}(2 \log (c x))}+\frac{x^9}{12 \text{csch}^{\frac{3}{2}}(2 \log (c x))} \]
Antiderivative was successfully verified.
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Rule 5552
Rule 5550
Rule 266
Rule 47
Rule 51
Rule 63
Rule 206
Rubi steps
\begin{align*} \int \frac{x^8}{\text{csch}^{\frac{3}{2}}(2 \log (c x))} \, dx &=\frac{\operatorname{Subst}\left (\int \frac{x^8}{\text{csch}^{\frac{3}{2}}(2 \log (x))} \, dx,x,c x\right )}{c^9}\\ &=\frac{\operatorname{Subst}\left (\int \left (1-\frac{1}{x^4}\right )^{3/2} x^{11} \, dx,x,c x\right )}{c^{12} \left (1-\frac{1}{c^4 x^4}\right )^{3/2} x^3 \text{csch}^{\frac{3}{2}}(2 \log (c x))}\\ &=-\frac{\operatorname{Subst}\left (\int \frac{(1-x)^{3/2}}{x^4} \, dx,x,\frac{1}{c^4 x^4}\right )}{4 c^{12} \left (1-\frac{1}{c^4 x^4}\right )^{3/2} x^3 \text{csch}^{\frac{3}{2}}(2 \log (c x))}\\ &=\frac{x^9}{12 \text{csch}^{\frac{3}{2}}(2 \log (c x))}+\frac{\operatorname{Subst}\left (\int \frac{\sqrt{1-x}}{x^3} \, dx,x,\frac{1}{c^4 x^4}\right )}{8 c^{12} \left (1-\frac{1}{c^4 x^4}\right )^{3/2} x^3 \text{csch}^{\frac{3}{2}}(2 \log (c x))}\\ &=-\frac{x^5}{16 \left (c^4-\frac{1}{x^4}\right ) \text{csch}^{\frac{3}{2}}(2 \log (c x))}+\frac{x^9}{12 \text{csch}^{\frac{3}{2}}(2 \log (c x))}-\frac{\operatorname{Subst}\left (\int \frac{1}{\sqrt{1-x} x^2} \, dx,x,\frac{1}{c^4 x^4}\right )}{32 c^{12} \left (1-\frac{1}{c^4 x^4}\right )^{3/2} x^3 \text{csch}^{\frac{3}{2}}(2 \log (c x))}\\ &=\frac{x}{32 c^4 \left (c^4-\frac{1}{x^4}\right ) \text{csch}^{\frac{3}{2}}(2 \log (c x))}-\frac{x^5}{16 \left (c^4-\frac{1}{x^4}\right ) \text{csch}^{\frac{3}{2}}(2 \log (c x))}+\frac{x^9}{12 \text{csch}^{\frac{3}{2}}(2 \log (c x))}-\frac{\operatorname{Subst}\left (\int \frac{1}{\sqrt{1-x} x} \, dx,x,\frac{1}{c^4 x^4}\right )}{64 c^{12} \left (1-\frac{1}{c^4 x^4}\right )^{3/2} x^3 \text{csch}^{\frac{3}{2}}(2 \log (c x))}\\ &=\frac{x}{32 c^4 \left (c^4-\frac{1}{x^4}\right ) \text{csch}^{\frac{3}{2}}(2 \log (c x))}-\frac{x^5}{16 \left (c^4-\frac{1}{x^4}\right ) \text{csch}^{\frac{3}{2}}(2 \log (c x))}+\frac{x^9}{12 \text{csch}^{\frac{3}{2}}(2 \log (c x))}+\frac{\operatorname{Subst}\left (\int \frac{1}{1-x^2} \, dx,x,\sqrt{1-\frac{1}{c^4 x^4}}\right )}{32 c^{12} \left (1-\frac{1}{c^4 x^4}\right )^{3/2} x^3 \text{csch}^{\frac{3}{2}}(2 \log (c x))}\\ &=\frac{x}{32 c^4 \left (c^4-\frac{1}{x^4}\right ) \text{csch}^{\frac{3}{2}}(2 \log (c x))}-\frac{x^5}{16 \left (c^4-\frac{1}{x^4}\right ) \text{csch}^{\frac{3}{2}}(2 \log (c x))}+\frac{x^9}{12 \text{csch}^{\frac{3}{2}}(2 \log (c x))}+\frac{\tanh ^{-1}\left (\sqrt{1-\frac{1}{c^4 x^4}}\right )}{32 c^{12} \left (1-\frac{1}{c^4 x^4}\right )^{3/2} x^3 \text{csch}^{\frac{3}{2}}(2 \log (c x))}\\ \end{align*}
Mathematica [A] time = 0.199421, size = 95, normalized size = 0.74 \[ \frac{c^3 x^3 \sqrt{1-c^4 x^4} \left (8 c^8 x^8-14 c^4 x^4+3\right )-3 c x \sin ^{-1}\left (c^2 x^2\right )}{192 c^9 \sqrt{2-2 c^4 x^4} \sqrt{\frac{c^2 x^2}{c^4 x^4-1}}} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.038, size = 121, normalized size = 1. \begin{align*}{\frac{{x}^{3} \left ( 8\,{c}^{8}{x}^{8}-14\,{c}^{4}{x}^{4}+3 \right ) \sqrt{2}}{384\,{c}^{6}}{\frac{1}{\sqrt{{\frac{{c}^{2}{x}^{2}}{{c}^{4}{x}^{4}-1}}}}}}+{\frac{\sqrt{2}x}{128\,{c}^{6}}\ln \left ({{c}^{4}{x}^{2}{\frac{1}{\sqrt{{c}^{4}}}}}+\sqrt{{c}^{4}{x}^{4}-1} \right ){\frac{1}{\sqrt{{c}^{4}}}}{\frac{1}{\sqrt{{c}^{4}{x}^{4}-1}}}{\frac{1}{\sqrt{{\frac{{c}^{2}{x}^{2}}{{c}^{4}{x}^{4}-1}}}}}} \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*} \int \frac{x^{8}}{\operatorname{csch}\left (2 \, \log \left (c x\right )\right )^{\frac{3}{2}}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.75048, size = 240, normalized size = 1.88 \begin{align*} \frac{2 \, \sqrt{2}{\left (8 \, c^{13} x^{13} - 22 \, c^{9} x^{9} + 17 \, c^{5} x^{5} - 3 \, c x\right )} \sqrt{\frac{c^{2} x^{2}}{c^{4} x^{4} - 1}} + 3 \, \sqrt{2} \log \left (2 \, c^{4} x^{4} + 2 \,{\left (c^{5} x^{5} - c x\right )} \sqrt{\frac{c^{2} x^{2}}{c^{4} x^{4} - 1}} - 1\right )}{768 \, c^{9}} \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^{8}}{\operatorname{csch}^{\frac{3}{2}}{\left (2 \log{\left (c x \right )} \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 \frac{x^{8}}{\operatorname{csch}\left (2 \, \log \left (c x\right )\right )^{\frac{3}{2}}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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