Integrand size = 8, antiderivative size = 63 \[ \int \frac {x}{\text {arcsinh}(a x)^3} \, dx=-\frac {x \sqrt {1+a^2 x^2}}{2 a \text {arcsinh}(a x)^2}-\frac {1}{2 a^2 \text {arcsinh}(a x)}-\frac {x^2}{\text {arcsinh}(a x)}+\frac {\text {Shi}(2 \text {arcsinh}(a x))}{a^2} \]
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Time = 0.12 (sec) , antiderivative size = 63, normalized size of antiderivative = 1.00, number of steps used = 7, number of rules used = 7, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.875, Rules used = {5779, 5818, 5780, 5556, 12, 3379, 5783} \[ \int \frac {x}{\text {arcsinh}(a x)^3} \, dx=\frac {\text {Shi}(2 \text {arcsinh}(a x))}{a^2}-\frac {x \sqrt {a^2 x^2+1}}{2 a \text {arcsinh}(a x)^2}-\frac {1}{2 a^2 \text {arcsinh}(a x)}-\frac {x^2}{\text {arcsinh}(a x)} \]
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Rule 12
Rule 3379
Rule 5556
Rule 5779
Rule 5780
Rule 5783
Rule 5818
Rubi steps \begin{align*} \text {integral}& = -\frac {x \sqrt {1+a^2 x^2}}{2 a \text {arcsinh}(a x)^2}+\frac {\int \frac {1}{\sqrt {1+a^2 x^2} \text {arcsinh}(a x)^2} \, dx}{2 a}+a \int \frac {x^2}{\sqrt {1+a^2 x^2} \text {arcsinh}(a x)^2} \, dx \\ & = -\frac {x \sqrt {1+a^2 x^2}}{2 a \text {arcsinh}(a x)^2}-\frac {1}{2 a^2 \text {arcsinh}(a x)}-\frac {x^2}{\text {arcsinh}(a x)}+2 \int \frac {x}{\text {arcsinh}(a x)} \, dx \\ & = -\frac {x \sqrt {1+a^2 x^2}}{2 a \text {arcsinh}(a x)^2}-\frac {1}{2 a^2 \text {arcsinh}(a x)}-\frac {x^2}{\text {arcsinh}(a x)}+\frac {2 \text {Subst}\left (\int \frac {\cosh (x) \sinh (x)}{x} \, dx,x,\text {arcsinh}(a x)\right )}{a^2} \\ & = -\frac {x \sqrt {1+a^2 x^2}}{2 a \text {arcsinh}(a x)^2}-\frac {1}{2 a^2 \text {arcsinh}(a x)}-\frac {x^2}{\text {arcsinh}(a x)}+\frac {2 \text {Subst}\left (\int \frac {\sinh (2 x)}{2 x} \, dx,x,\text {arcsinh}(a x)\right )}{a^2} \\ & = -\frac {x \sqrt {1+a^2 x^2}}{2 a \text {arcsinh}(a x)^2}-\frac {1}{2 a^2 \text {arcsinh}(a x)}-\frac {x^2}{\text {arcsinh}(a x)}+\frac {\text {Subst}\left (\int \frac {\sinh (2 x)}{x} \, dx,x,\text {arcsinh}(a x)\right )}{a^2} \\ & = -\frac {x \sqrt {1+a^2 x^2}}{2 a \text {arcsinh}(a x)^2}-\frac {1}{2 a^2 \text {arcsinh}(a x)}-\frac {x^2}{\text {arcsinh}(a x)}+\frac {\text {Shi}(2 \text {arcsinh}(a x))}{a^2} \\ \end{align*}
Time = 0.05 (sec) , antiderivative size = 62, normalized size of antiderivative = 0.98 \[ \int \frac {x}{\text {arcsinh}(a x)^3} \, dx=-\frac {x \sqrt {1+a^2 x^2}}{2 a \text {arcsinh}(a x)^2}+\frac {-1-2 a^2 x^2}{2 a^2 \text {arcsinh}(a x)}+\frac {\text {Shi}(2 \text {arcsinh}(a x))}{a^2} \]
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Time = 0.04 (sec) , antiderivative size = 43, normalized size of antiderivative = 0.68
method | result | size |
derivativedivides | \(\frac {-\frac {\sinh \left (2 \,\operatorname {arcsinh}\left (a x \right )\right )}{4 \operatorname {arcsinh}\left (a x \right )^{2}}-\frac {\cosh \left (2 \,\operatorname {arcsinh}\left (a x \right )\right )}{2 \,\operatorname {arcsinh}\left (a x \right )}+\operatorname {Shi}\left (2 \,\operatorname {arcsinh}\left (a x \right )\right )}{a^{2}}\) | \(43\) |
default | \(\frac {-\frac {\sinh \left (2 \,\operatorname {arcsinh}\left (a x \right )\right )}{4 \operatorname {arcsinh}\left (a x \right )^{2}}-\frac {\cosh \left (2 \,\operatorname {arcsinh}\left (a x \right )\right )}{2 \,\operatorname {arcsinh}\left (a x \right )}+\operatorname {Shi}\left (2 \,\operatorname {arcsinh}\left (a x \right )\right )}{a^{2}}\) | \(43\) |
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\[ \int \frac {x}{\text {arcsinh}(a x)^3} \, dx=\int { \frac {x}{\operatorname {arsinh}\left (a x\right )^{3}} \,d x } \]
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\[ \int \frac {x}{\text {arcsinh}(a x)^3} \, dx=\int \frac {x}{\operatorname {asinh}^{3}{\left (a x \right )}}\, dx \]
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\[ \int \frac {x}{\text {arcsinh}(a x)^3} \, dx=\int { \frac {x}{\operatorname {arsinh}\left (a x\right )^{3}} \,d x } \]
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\[ \int \frac {x}{\text {arcsinh}(a x)^3} \, dx=\int { \frac {x}{\operatorname {arsinh}\left (a x\right )^{3}} \,d x } \]
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Timed out. \[ \int \frac {x}{\text {arcsinh}(a x)^3} \, dx=\int \frac {x}{{\mathrm {asinh}\left (a\,x\right )}^3} \,d x \]
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