Integrand size = 20, antiderivative size = 98 \[ \int \frac {\text {arccosh}(a x)^2}{c-a^2 c x^2} \, dx=\frac {2 \text {arccosh}(a x)^2 \text {arctanh}\left (e^{\text {arccosh}(a x)}\right )}{a c}+\frac {2 \text {arccosh}(a x) \operatorname {PolyLog}\left (2,-e^{\text {arccosh}(a x)}\right )}{a c}-\frac {2 \text {arccosh}(a x) \operatorname {PolyLog}\left (2,e^{\text {arccosh}(a x)}\right )}{a c}-\frac {2 \operatorname {PolyLog}\left (3,-e^{\text {arccosh}(a x)}\right )}{a c}+\frac {2 \operatorname {PolyLog}\left (3,e^{\text {arccosh}(a x)}\right )}{a c} \]
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Time = 0.07 (sec) , antiderivative size = 98, normalized size of antiderivative = 1.00, number of steps used = 8, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.250, Rules used = {5903, 4267, 2611, 2320, 6724} \[ \int \frac {\text {arccosh}(a x)^2}{c-a^2 c x^2} \, dx=\frac {2 \text {arccosh}(a x)^2 \text {arctanh}\left (e^{\text {arccosh}(a x)}\right )}{a c}+\frac {2 \text {arccosh}(a x) \operatorname {PolyLog}\left (2,-e^{\text {arccosh}(a x)}\right )}{a c}-\frac {2 \text {arccosh}(a x) \operatorname {PolyLog}\left (2,e^{\text {arccosh}(a x)}\right )}{a c}-\frac {2 \operatorname {PolyLog}\left (3,-e^{\text {arccosh}(a x)}\right )}{a c}+\frac {2 \operatorname {PolyLog}\left (3,e^{\text {arccosh}(a x)}\right )}{a c} \]
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Rule 2320
Rule 2611
Rule 4267
Rule 5903
Rule 6724
Rubi steps \begin{align*} \text {integral}& = -\frac {\text {Subst}\left (\int x^2 \text {csch}(x) \, dx,x,\text {arccosh}(a x)\right )}{a c} \\ & = \frac {2 \text {arccosh}(a x)^2 \text {arctanh}\left (e^{\text {arccosh}(a x)}\right )}{a c}+\frac {2 \text {Subst}\left (\int x \log \left (1-e^x\right ) \, dx,x,\text {arccosh}(a x)\right )}{a c}-\frac {2 \text {Subst}\left (\int x \log \left (1+e^x\right ) \, dx,x,\text {arccosh}(a x)\right )}{a c} \\ & = \frac {2 \text {arccosh}(a x)^2 \text {arctanh}\left (e^{\text {arccosh}(a x)}\right )}{a c}+\frac {2 \text {arccosh}(a x) \operatorname {PolyLog}\left (2,-e^{\text {arccosh}(a x)}\right )}{a c}-\frac {2 \text {arccosh}(a x) \operatorname {PolyLog}\left (2,e^{\text {arccosh}(a x)}\right )}{a c}-\frac {2 \text {Subst}\left (\int \operatorname {PolyLog}\left (2,-e^x\right ) \, dx,x,\text {arccosh}(a x)\right )}{a c}+\frac {2 \text {Subst}\left (\int \operatorname {PolyLog}\left (2,e^x\right ) \, dx,x,\text {arccosh}(a x)\right )}{a c} \\ & = \frac {2 \text {arccosh}(a x)^2 \text {arctanh}\left (e^{\text {arccosh}(a x)}\right )}{a c}+\frac {2 \text {arccosh}(a x) \operatorname {PolyLog}\left (2,-e^{\text {arccosh}(a x)}\right )}{a c}-\frac {2 \text {arccosh}(a x) \operatorname {PolyLog}\left (2,e^{\text {arccosh}(a x)}\right )}{a c}-\frac {2 \text {Subst}\left (\int \frac {\operatorname {PolyLog}(2,-x)}{x} \, dx,x,e^{\text {arccosh}(a x)}\right )}{a c}+\frac {2 \text {Subst}\left (\int \frac {\operatorname {PolyLog}(2,x)}{x} \, dx,x,e^{\text {arccosh}(a x)}\right )}{a c} \\ & = \frac {2 \text {arccosh}(a x)^2 \text {arctanh}\left (e^{\text {arccosh}(a x)}\right )}{a c}+\frac {2 \text {arccosh}(a x) \operatorname {PolyLog}\left (2,-e^{\text {arccosh}(a x)}\right )}{a c}-\frac {2 \text {arccosh}(a x) \operatorname {PolyLog}\left (2,e^{\text {arccosh}(a x)}\right )}{a c}-\frac {2 \operatorname {PolyLog}\left (3,-e^{\text {arccosh}(a x)}\right )}{a c}+\frac {2 \operatorname {PolyLog}\left (3,e^{\text {arccosh}(a x)}\right )}{a c} \\ \end{align*}
Time = 0.06 (sec) , antiderivative size = 95, normalized size of antiderivative = 0.97 \[ \int \frac {\text {arccosh}(a x)^2}{c-a^2 c x^2} \, dx=\frac {-\text {arccosh}(a x)^2 \log \left (1-e^{\text {arccosh}(a x)}\right )+\text {arccosh}(a x)^2 \log \left (1+e^{\text {arccosh}(a x)}\right )+2 \text {arccosh}(a x) \operatorname {PolyLog}\left (2,-e^{\text {arccosh}(a x)}\right )-2 \text {arccosh}(a x) \operatorname {PolyLog}\left (2,e^{\text {arccosh}(a x)}\right )-2 \operatorname {PolyLog}\left (3,-e^{\text {arccosh}(a x)}\right )+2 \operatorname {PolyLog}\left (3,e^{\text {arccosh}(a x)}\right )}{a c} \]
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Time = 0.46 (sec) , antiderivative size = 187, normalized size of antiderivative = 1.91
method | result | size |
derivativedivides | \(\frac {\frac {\operatorname {arccosh}\left (a x \right )^{2} \ln \left (1+a x +\sqrt {a x -1}\, \sqrt {a x +1}\right )}{c}+\frac {2 \,\operatorname {arccosh}\left (a x \right ) \operatorname {polylog}\left (2, -a x -\sqrt {a x -1}\, \sqrt {a x +1}\right )}{c}-\frac {2 \operatorname {polylog}\left (3, -a x -\sqrt {a x -1}\, \sqrt {a x +1}\right )}{c}-\frac {\operatorname {arccosh}\left (a x \right )^{2} \ln \left (1-a x -\sqrt {a x -1}\, \sqrt {a x +1}\right )}{c}-\frac {2 \,\operatorname {arccosh}\left (a x \right ) \operatorname {polylog}\left (2, a x +\sqrt {a x -1}\, \sqrt {a x +1}\right )}{c}+\frac {2 \operatorname {polylog}\left (3, a x +\sqrt {a x -1}\, \sqrt {a x +1}\right )}{c}}{a}\) | \(187\) |
default | \(\frac {\frac {\operatorname {arccosh}\left (a x \right )^{2} \ln \left (1+a x +\sqrt {a x -1}\, \sqrt {a x +1}\right )}{c}+\frac {2 \,\operatorname {arccosh}\left (a x \right ) \operatorname {polylog}\left (2, -a x -\sqrt {a x -1}\, \sqrt {a x +1}\right )}{c}-\frac {2 \operatorname {polylog}\left (3, -a x -\sqrt {a x -1}\, \sqrt {a x +1}\right )}{c}-\frac {\operatorname {arccosh}\left (a x \right )^{2} \ln \left (1-a x -\sqrt {a x -1}\, \sqrt {a x +1}\right )}{c}-\frac {2 \,\operatorname {arccosh}\left (a x \right ) \operatorname {polylog}\left (2, a x +\sqrt {a x -1}\, \sqrt {a x +1}\right )}{c}+\frac {2 \operatorname {polylog}\left (3, a x +\sqrt {a x -1}\, \sqrt {a x +1}\right )}{c}}{a}\) | \(187\) |
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\[ \int \frac {\text {arccosh}(a x)^2}{c-a^2 c x^2} \, dx=\int { -\frac {\operatorname {arcosh}\left (a x\right )^{2}}{a^{2} c x^{2} - c} \,d x } \]
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\[ \int \frac {\text {arccosh}(a x)^2}{c-a^2 c x^2} \, dx=- \frac {\int \frac {\operatorname {acosh}^{2}{\left (a x \right )}}{a^{2} x^{2} - 1}\, dx}{c} \]
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\[ \int \frac {\text {arccosh}(a x)^2}{c-a^2 c x^2} \, dx=\int { -\frac {\operatorname {arcosh}\left (a x\right )^{2}}{a^{2} c x^{2} - c} \,d x } \]
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\[ \int \frac {\text {arccosh}(a x)^2}{c-a^2 c x^2} \, dx=\int { -\frac {\operatorname {arcosh}\left (a x\right )^{2}}{a^{2} c x^{2} - c} \,d x } \]
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Timed out. \[ \int \frac {\text {arccosh}(a x)^2}{c-a^2 c x^2} \, dx=\int \frac {{\mathrm {acosh}\left (a\,x\right )}^2}{c-a^2\,c\,x^2} \,d x \]
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