Integrand size = 23, antiderivative size = 102 \[ \int \frac {\text {arcsinh}(a x)^3}{x \sqrt {1+a^2 x^2}} \, dx=-2 \text {arcsinh}(a x)^3 \text {arctanh}\left (e^{\text {arcsinh}(a x)}\right )-3 \text {arcsinh}(a x)^2 \operatorname {PolyLog}\left (2,-e^{\text {arcsinh}(a x)}\right )+3 \text {arcsinh}(a x)^2 \operatorname {PolyLog}\left (2,e^{\text {arcsinh}(a x)}\right )+6 \text {arcsinh}(a x) \operatorname {PolyLog}\left (3,-e^{\text {arcsinh}(a x)}\right )-6 \text {arcsinh}(a x) \operatorname {PolyLog}\left (3,e^{\text {arcsinh}(a x)}\right )-6 \operatorname {PolyLog}\left (4,-e^{\text {arcsinh}(a x)}\right )+6 \operatorname {PolyLog}\left (4,e^{\text {arcsinh}(a x)}\right ) \]
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Time = 0.12 (sec) , antiderivative size = 102, normalized size of antiderivative = 1.00, number of steps used = 10, number of rules used = 6, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.261, Rules used = {5816, 4267, 2611, 6744, 2320, 6724} \[ \int \frac {\text {arcsinh}(a x)^3}{x \sqrt {1+a^2 x^2}} \, dx=-2 \text {arcsinh}(a x)^3 \text {arctanh}\left (e^{\text {arcsinh}(a x)}\right )-3 \text {arcsinh}(a x)^2 \operatorname {PolyLog}\left (2,-e^{\text {arcsinh}(a x)}\right )+3 \text {arcsinh}(a x)^2 \operatorname {PolyLog}\left (2,e^{\text {arcsinh}(a x)}\right )+6 \text {arcsinh}(a x) \operatorname {PolyLog}\left (3,-e^{\text {arcsinh}(a x)}\right )-6 \text {arcsinh}(a x) \operatorname {PolyLog}\left (3,e^{\text {arcsinh}(a x)}\right )-6 \operatorname {PolyLog}\left (4,-e^{\text {arcsinh}(a x)}\right )+6 \operatorname {PolyLog}\left (4,e^{\text {arcsinh}(a x)}\right ) \]
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Rule 2320
Rule 2611
Rule 4267
Rule 5816
Rule 6724
Rule 6744
Rubi steps \begin{align*} \text {integral}& = \text {Subst}\left (\int x^3 \text {csch}(x) \, dx,x,\text {arcsinh}(a x)\right ) \\ & = -2 \text {arcsinh}(a x)^3 \text {arctanh}\left (e^{\text {arcsinh}(a x)}\right )-3 \text {Subst}\left (\int x^2 \log \left (1-e^x\right ) \, dx,x,\text {arcsinh}(a x)\right )+3 \text {Subst}\left (\int x^2 \log \left (1+e^x\right ) \, dx,x,\text {arcsinh}(a x)\right ) \\ & = -2 \text {arcsinh}(a x)^3 \text {arctanh}\left (e^{\text {arcsinh}(a x)}\right )-3 \text {arcsinh}(a x)^2 \operatorname {PolyLog}\left (2,-e^{\text {arcsinh}(a x)}\right )+3 \text {arcsinh}(a x)^2 \operatorname {PolyLog}\left (2,e^{\text {arcsinh}(a x)}\right )+6 \text {Subst}\left (\int x \operatorname {PolyLog}\left (2,-e^x\right ) \, dx,x,\text {arcsinh}(a x)\right )-6 \text {Subst}\left (\int x \operatorname {PolyLog}\left (2,e^x\right ) \, dx,x,\text {arcsinh}(a x)\right ) \\ & = -2 \text {arcsinh}(a x)^3 \text {arctanh}\left (e^{\text {arcsinh}(a x)}\right )-3 \text {arcsinh}(a x)^2 \operatorname {PolyLog}\left (2,-e^{\text {arcsinh}(a x)}\right )+3 \text {arcsinh}(a x)^2 \operatorname {PolyLog}\left (2,e^{\text {arcsinh}(a x)}\right )+6 \text {arcsinh}(a x) \operatorname {PolyLog}\left (3,-e^{\text {arcsinh}(a x)}\right )-6 \text {arcsinh}(a x) \operatorname {PolyLog}\left (3,e^{\text {arcsinh}(a x)}\right )-6 \text {Subst}\left (\int \operatorname {PolyLog}\left (3,-e^x\right ) \, dx,x,\text {arcsinh}(a x)\right )+6 \text {Subst}\left (\int \operatorname {PolyLog}\left (3,e^x\right ) \, dx,x,\text {arcsinh}(a x)\right ) \\ & = -2 \text {arcsinh}(a x)^3 \text {arctanh}\left (e^{\text {arcsinh}(a x)}\right )-3 \text {arcsinh}(a x)^2 \operatorname {PolyLog}\left (2,-e^{\text {arcsinh}(a x)}\right )+3 \text {arcsinh}(a x)^2 \operatorname {PolyLog}\left (2,e^{\text {arcsinh}(a x)}\right )+6 \text {arcsinh}(a x) \operatorname {PolyLog}\left (3,-e^{\text {arcsinh}(a x)}\right )-6 \text {arcsinh}(a x) \operatorname {PolyLog}\left (3,e^{\text {arcsinh}(a x)}\right )-6 \text {Subst}\left (\int \frac {\operatorname {PolyLog}(3,-x)}{x} \, dx,x,e^{\text {arcsinh}(a x)}\right )+6 \text {Subst}\left (\int \frac {\operatorname {PolyLog}(3,x)}{x} \, dx,x,e^{\text {arcsinh}(a x)}\right ) \\ & = -2 \text {arcsinh}(a x)^3 \text {arctanh}\left (e^{\text {arcsinh}(a x)}\right )-3 \text {arcsinh}(a x)^2 \operatorname {PolyLog}\left (2,-e^{\text {arcsinh}(a x)}\right )+3 \text {arcsinh}(a x)^2 \operatorname {PolyLog}\left (2,e^{\text {arcsinh}(a x)}\right )+6 \text {arcsinh}(a x) \operatorname {PolyLog}\left (3,-e^{\text {arcsinh}(a x)}\right )-6 \text {arcsinh}(a x) \operatorname {PolyLog}\left (3,e^{\text {arcsinh}(a x)}\right )-6 \operatorname {PolyLog}\left (4,-e^{\text {arcsinh}(a x)}\right )+6 \operatorname {PolyLog}\left (4,e^{\text {arcsinh}(a x)}\right ) \\ \end{align*}
Time = 0.14 (sec) , antiderivative size = 146, normalized size of antiderivative = 1.43 \[ \int \frac {\text {arcsinh}(a x)^3}{x \sqrt {1+a^2 x^2}} \, dx=\frac {1}{8} \left (\pi ^4-2 \text {arcsinh}(a x)^4-8 \text {arcsinh}(a x)^3 \log \left (1+e^{-\text {arcsinh}(a x)}\right )+8 \text {arcsinh}(a x)^3 \log \left (1-e^{\text {arcsinh}(a x)}\right )+24 \text {arcsinh}(a x)^2 \operatorname {PolyLog}\left (2,-e^{-\text {arcsinh}(a x)}\right )+24 \text {arcsinh}(a x)^2 \operatorname {PolyLog}\left (2,e^{\text {arcsinh}(a x)}\right )+48 \text {arcsinh}(a x) \operatorname {PolyLog}\left (3,-e^{-\text {arcsinh}(a x)}\right )-48 \text {arcsinh}(a x) \operatorname {PolyLog}\left (3,e^{\text {arcsinh}(a x)}\right )+48 \operatorname {PolyLog}\left (4,-e^{-\text {arcsinh}(a x)}\right )+48 \operatorname {PolyLog}\left (4,e^{\text {arcsinh}(a x)}\right )\right ) \]
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Time = 0.32 (sec) , antiderivative size = 197, normalized size of antiderivative = 1.93
method | result | size |
default | \(-\operatorname {arcsinh}\left (a x \right )^{3} \ln \left (1+a x +\sqrt {a^{2} x^{2}+1}\right )-3 \operatorname {arcsinh}\left (a x \right )^{2} \operatorname {polylog}\left (2, -a x -\sqrt {a^{2} x^{2}+1}\right )+6 \,\operatorname {arcsinh}\left (a x \right ) \operatorname {polylog}\left (3, -a x -\sqrt {a^{2} x^{2}+1}\right )-6 \operatorname {polylog}\left (4, -a x -\sqrt {a^{2} x^{2}+1}\right )+\operatorname {arcsinh}\left (a x \right )^{3} \ln \left (1-a x -\sqrt {a^{2} x^{2}+1}\right )+3 \operatorname {arcsinh}\left (a x \right )^{2} \operatorname {polylog}\left (2, a x +\sqrt {a^{2} x^{2}+1}\right )-6 \,\operatorname {arcsinh}\left (a x \right ) \operatorname {polylog}\left (3, a x +\sqrt {a^{2} x^{2}+1}\right )+6 \operatorname {polylog}\left (4, a x +\sqrt {a^{2} x^{2}+1}\right )\) | \(197\) |
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\[ \int \frac {\text {arcsinh}(a x)^3}{x \sqrt {1+a^2 x^2}} \, dx=\int { \frac {\operatorname {arsinh}\left (a x\right )^{3}}{\sqrt {a^{2} x^{2} + 1} x} \,d x } \]
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\[ \int \frac {\text {arcsinh}(a x)^3}{x \sqrt {1+a^2 x^2}} \, dx=\int \frac {\operatorname {asinh}^{3}{\left (a x \right )}}{x \sqrt {a^{2} x^{2} + 1}}\, dx \]
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\[ \int \frac {\text {arcsinh}(a x)^3}{x \sqrt {1+a^2 x^2}} \, dx=\int { \frac {\operatorname {arsinh}\left (a x\right )^{3}}{\sqrt {a^{2} x^{2} + 1} x} \,d x } \]
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\[ \int \frac {\text {arcsinh}(a x)^3}{x \sqrt {1+a^2 x^2}} \, dx=\int { \frac {\operatorname {arsinh}\left (a x\right )^{3}}{\sqrt {a^{2} x^{2} + 1} x} \,d x } \]
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Timed out. \[ \int \frac {\text {arcsinh}(a x)^3}{x \sqrt {1+a^2 x^2}} \, dx=\int \frac {{\mathrm {asinh}\left (a\,x\right )}^3}{x\,\sqrt {a^2\,x^2+1}} \,d x \]
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