Integrand size = 10, antiderivative size = 29 \[ \int \frac {x^3}{\text {arccosh}(a x)} \, dx=\frac {\text {Shi}(2 \text {arccosh}(a x))}{4 a^4}+\frac {\text {Shi}(4 \text {arccosh}(a x))}{8 a^4} \]
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Time = 0.06 (sec) , antiderivative size = 29, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.300, Rules used = {5887, 5556, 3379} \[ \int \frac {x^3}{\text {arccosh}(a x)} \, dx=\frac {\text {Shi}(2 \text {arccosh}(a x))}{4 a^4}+\frac {\text {Shi}(4 \text {arccosh}(a x))}{8 a^4} \]
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Rule 3379
Rule 5556
Rule 5887
Rubi steps \begin{align*} \text {integral}& = \frac {\text {Subst}\left (\int \frac {\cosh ^3(x) \sinh (x)}{x} \, dx,x,\text {arccosh}(a x)\right )}{a^4} \\ & = \frac {\text {Subst}\left (\int \left (\frac {\sinh (2 x)}{4 x}+\frac {\sinh (4 x)}{8 x}\right ) \, dx,x,\text {arccosh}(a x)\right )}{a^4} \\ & = \frac {\text {Subst}\left (\int \frac {\sinh (4 x)}{x} \, dx,x,\text {arccosh}(a x)\right )}{8 a^4}+\frac {\text {Subst}\left (\int \frac {\sinh (2 x)}{x} \, dx,x,\text {arccosh}(a x)\right )}{4 a^4} \\ & = \frac {\text {Shi}(2 \text {arccosh}(a x))}{4 a^4}+\frac {\text {Shi}(4 \text {arccosh}(a x))}{8 a^4} \\ \end{align*}
Time = 0.05 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.83 \[ \int \frac {x^3}{\text {arccosh}(a x)} \, dx=\frac {2 \text {Shi}(2 \text {arccosh}(a x))+\text {Shi}(4 \text {arccosh}(a x))}{8 a^4} \]
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Time = 0.04 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.83
method | result | size |
derivativedivides | \(\frac {\frac {\operatorname {Shi}\left (2 \,\operatorname {arccosh}\left (a x \right )\right )}{4}+\frac {\operatorname {Shi}\left (4 \,\operatorname {arccosh}\left (a x \right )\right )}{8}}{a^{4}}\) | \(24\) |
default | \(\frac {\frac {\operatorname {Shi}\left (2 \,\operatorname {arccosh}\left (a x \right )\right )}{4}+\frac {\operatorname {Shi}\left (4 \,\operatorname {arccosh}\left (a x \right )\right )}{8}}{a^{4}}\) | \(24\) |
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\[ \int \frac {x^3}{\text {arccosh}(a x)} \, dx=\int { \frac {x^{3}}{\operatorname {arcosh}\left (a x\right )} \,d x } \]
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\[ \int \frac {x^3}{\text {arccosh}(a x)} \, dx=\int \frac {x^{3}}{\operatorname {acosh}{\left (a x \right )}}\, dx \]
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\[ \int \frac {x^3}{\text {arccosh}(a x)} \, dx=\int { \frac {x^{3}}{\operatorname {arcosh}\left (a x\right )} \,d x } \]
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Exception generated. \[ \int \frac {x^3}{\text {arccosh}(a x)} \, dx=\text {Exception raised: TypeError} \]
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Timed out. \[ \int \frac {x^3}{\text {arccosh}(a x)} \, dx=\int \frac {x^3}{\mathrm {acosh}\left (a\,x\right )} \,d x \]
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