Optimal. Leaf size=43 \[ \frac{5 \text{Shi}\left (2 \cosh ^{-1}(a x)\right )}{32 a^6}+\frac{\text{Shi}\left (4 \cosh ^{-1}(a x)\right )}{8 a^6}+\frac{\text{Shi}\left (6 \cosh ^{-1}(a x)\right )}{32 a^6} \]
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Rubi [A] time = 0.0841293, antiderivative size = 43, normalized size of antiderivative = 1., number of steps used = 6, number of rules used = 3, integrand size = 10, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.3, Rules used = {5670, 5448, 3298} \[ \frac{5 \text{Shi}\left (2 \cosh ^{-1}(a x)\right )}{32 a^6}+\frac{\text{Shi}\left (4 \cosh ^{-1}(a x)\right )}{8 a^6}+\frac{\text{Shi}\left (6 \cosh ^{-1}(a x)\right )}{32 a^6} \]
Antiderivative was successfully verified.
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Rule 5670
Rule 5448
Rule 3298
Rubi steps
\begin{align*} \int \frac{x^5}{\cosh ^{-1}(a x)} \, dx &=\frac{\operatorname{Subst}\left (\int \frac{\cosh ^5(x) \sinh (x)}{x} \, dx,x,\cosh ^{-1}(a x)\right )}{a^6}\\ &=\frac{\operatorname{Subst}\left (\int \left (\frac{5 \sinh (2 x)}{32 x}+\frac{\sinh (4 x)}{8 x}+\frac{\sinh (6 x)}{32 x}\right ) \, dx,x,\cosh ^{-1}(a x)\right )}{a^6}\\ &=\frac{\operatorname{Subst}\left (\int \frac{\sinh (6 x)}{x} \, dx,x,\cosh ^{-1}(a x)\right )}{32 a^6}+\frac{\operatorname{Subst}\left (\int \frac{\sinh (4 x)}{x} \, dx,x,\cosh ^{-1}(a x)\right )}{8 a^6}+\frac{5 \operatorname{Subst}\left (\int \frac{\sinh (2 x)}{x} \, dx,x,\cosh ^{-1}(a x)\right )}{32 a^6}\\ &=\frac{5 \text{Shi}\left (2 \cosh ^{-1}(a x)\right )}{32 a^6}+\frac{\text{Shi}\left (4 \cosh ^{-1}(a x)\right )}{8 a^6}+\frac{\text{Shi}\left (6 \cosh ^{-1}(a x)\right )}{32 a^6}\\ \end{align*}
Mathematica [A] time = 0.0828145, size = 33, normalized size = 0.77 \[ \frac{5 \text{Shi}\left (2 \cosh ^{-1}(a x)\right )+4 \text{Shi}\left (4 \cosh ^{-1}(a x)\right )+\text{Shi}\left (6 \cosh ^{-1}(a x)\right )}{32 a^6} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.033, size = 33, normalized size = 0.8 \begin{align*}{\frac{1}{{a}^{6}} \left ({\frac{5\,{\it Shi} \left ( 2\,{\rm arccosh} \left (ax\right ) \right ) }{32}}+{\frac{{\it Shi} \left ( 4\,{\rm arccosh} \left (ax\right ) \right ) }{8}}+{\frac{{\it Shi} \left ( 6\,{\rm arccosh} \left (ax\right ) \right ) }{32}} \right ) } \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^{5}}{\operatorname{arcosh}\left (a x\right )}\,{d x} \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{x^{5}}{\operatorname{arcosh}\left (a x\right )}, 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^{5}}{\operatorname{acosh}{\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 \frac{x^{5}}{\operatorname{arcosh}\left (a x\right )}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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