Integrand size = 18, antiderivative size = 109 \[ \int \frac {\text {arccosh}(a x)}{\left (c-a^2 c x^2\right )^2} \, dx=-\frac {1}{2 a c^2 \sqrt {-1+a x} \sqrt {1+a x}}+\frac {x \text {arccosh}(a x)}{2 c^2 \left (1-a^2 x^2\right )}+\frac {\text {arccosh}(a x) \text {arctanh}\left (e^{\text {arccosh}(a x)}\right )}{a c^2}+\frac {\operatorname {PolyLog}\left (2,-e^{\text {arccosh}(a x)}\right )}{2 a c^2}-\frac {\operatorname {PolyLog}\left (2,e^{\text {arccosh}(a x)}\right )}{2 a c^2} \]
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Time = 0.07 (sec) , antiderivative size = 109, normalized size of antiderivative = 1.00, number of steps used = 8, number of rules used = 6, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.333, Rules used = {5901, 5903, 4267, 2317, 2438, 75} \[ \int \frac {\text {arccosh}(a x)}{\left (c-a^2 c x^2\right )^2} \, dx=\frac {x \text {arccosh}(a x)}{2 c^2 \left (1-a^2 x^2\right )}+\frac {\text {arccosh}(a x) \text {arctanh}\left (e^{\text {arccosh}(a x)}\right )}{a c^2}+\frac {\operatorname {PolyLog}\left (2,-e^{\text {arccosh}(a x)}\right )}{2 a c^2}-\frac {\operatorname {PolyLog}\left (2,e^{\text {arccosh}(a x)}\right )}{2 a c^2}-\frac {1}{2 a c^2 \sqrt {a x-1} \sqrt {a x+1}} \]
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Rule 75
Rule 2317
Rule 2438
Rule 4267
Rule 5901
Rule 5903
Rubi steps \begin{align*} \text {integral}& = \frac {x \text {arccosh}(a x)}{2 c^2 \left (1-a^2 x^2\right )}+\frac {a \int \frac {x}{(-1+a x)^{3/2} (1+a x)^{3/2}} \, dx}{2 c^2}+\frac {\int \frac {\text {arccosh}(a x)}{c-a^2 c x^2} \, dx}{2 c} \\ & = -\frac {1}{2 a c^2 \sqrt {-1+a x} \sqrt {1+a x}}+\frac {x \text {arccosh}(a x)}{2 c^2 \left (1-a^2 x^2\right )}-\frac {\text {Subst}(\int x \text {csch}(x) \, dx,x,\text {arccosh}(a x))}{2 a c^2} \\ & = -\frac {1}{2 a c^2 \sqrt {-1+a x} \sqrt {1+a x}}+\frac {x \text {arccosh}(a x)}{2 c^2 \left (1-a^2 x^2\right )}+\frac {\text {arccosh}(a x) \text {arctanh}\left (e^{\text {arccosh}(a x)}\right )}{a c^2}+\frac {\text {Subst}\left (\int \log \left (1-e^x\right ) \, dx,x,\text {arccosh}(a x)\right )}{2 a c^2}-\frac {\text {Subst}\left (\int \log \left (1+e^x\right ) \, dx,x,\text {arccosh}(a x)\right )}{2 a c^2} \\ & = -\frac {1}{2 a c^2 \sqrt {-1+a x} \sqrt {1+a x}}+\frac {x \text {arccosh}(a x)}{2 c^2 \left (1-a^2 x^2\right )}+\frac {\text {arccosh}(a x) \text {arctanh}\left (e^{\text {arccosh}(a x)}\right )}{a c^2}+\frac {\text {Subst}\left (\int \frac {\log (1-x)}{x} \, dx,x,e^{\text {arccosh}(a x)}\right )}{2 a c^2}-\frac {\text {Subst}\left (\int \frac {\log (1+x)}{x} \, dx,x,e^{\text {arccosh}(a x)}\right )}{2 a c^2} \\ & = -\frac {1}{2 a c^2 \sqrt {-1+a x} \sqrt {1+a x}}+\frac {x \text {arccosh}(a x)}{2 c^2 \left (1-a^2 x^2\right )}+\frac {\text {arccosh}(a x) \text {arctanh}\left (e^{\text {arccosh}(a x)}\right )}{a c^2}+\frac {\operatorname {PolyLog}\left (2,-e^{\text {arccosh}(a x)}\right )}{2 a c^2}-\frac {\operatorname {PolyLog}\left (2,e^{\text {arccosh}(a x)}\right )}{2 a c^2} \\ \end{align*}
Time = 0.69 (sec) , antiderivative size = 120, normalized size of antiderivative = 1.10 \[ \int \frac {\text {arccosh}(a x)}{\left (c-a^2 c x^2\right )^2} \, dx=\frac {-\frac {2 \left (\sqrt {\frac {-1+a x}{1+a x}} (1+a x)+\text {arccosh}(a x) \left (a x+\left (-1+a^2 x^2\right ) \log \left (1-e^{\text {arccosh}(a x)}\right )+\left (1-a^2 x^2\right ) \log \left (1+e^{\text {arccosh}(a x)}\right )\right )\right )}{-1+a^2 x^2}+2 \operatorname {PolyLog}\left (2,-e^{\text {arccosh}(a x)}\right )-2 \operatorname {PolyLog}\left (2,e^{\text {arccosh}(a x)}\right )}{4 a c^2} \]
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Time = 0.48 (sec) , antiderivative size = 161, normalized size of antiderivative = 1.48
method | result | size |
derivativedivides | \(\frac {-\frac {a x \,\operatorname {arccosh}\left (a x \right )+\sqrt {a x -1}\, \sqrt {a x +1}}{2 \left (a^{2} x^{2}-1\right ) c^{2}}-\frac {\operatorname {arccosh}\left (a x \right ) \ln \left (1-a x -\sqrt {a x -1}\, \sqrt {a x +1}\right )}{2 c^{2}}-\frac {\operatorname {polylog}\left (2, a x +\sqrt {a x -1}\, \sqrt {a x +1}\right )}{2 c^{2}}+\frac {\operatorname {arccosh}\left (a x \right ) \ln \left (1+a x +\sqrt {a x -1}\, \sqrt {a x +1}\right )}{2 c^{2}}+\frac {\operatorname {polylog}\left (2, -a x -\sqrt {a x -1}\, \sqrt {a x +1}\right )}{2 c^{2}}}{a}\) | \(161\) |
default | \(\frac {-\frac {a x \,\operatorname {arccosh}\left (a x \right )+\sqrt {a x -1}\, \sqrt {a x +1}}{2 \left (a^{2} x^{2}-1\right ) c^{2}}-\frac {\operatorname {arccosh}\left (a x \right ) \ln \left (1-a x -\sqrt {a x -1}\, \sqrt {a x +1}\right )}{2 c^{2}}-\frac {\operatorname {polylog}\left (2, a x +\sqrt {a x -1}\, \sqrt {a x +1}\right )}{2 c^{2}}+\frac {\operatorname {arccosh}\left (a x \right ) \ln \left (1+a x +\sqrt {a x -1}\, \sqrt {a x +1}\right )}{2 c^{2}}+\frac {\operatorname {polylog}\left (2, -a x -\sqrt {a x -1}\, \sqrt {a x +1}\right )}{2 c^{2}}}{a}\) | \(161\) |
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\[ \int \frac {\text {arccosh}(a x)}{\left (c-a^2 c x^2\right )^2} \, dx=\int { \frac {\operatorname {arcosh}\left (a x\right )}{{\left (a^{2} c x^{2} - c\right )}^{2}} \,d x } \]
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\[ \int \frac {\text {arccosh}(a x)}{\left (c-a^2 c x^2\right )^2} \, dx=\frac {\int \frac {\operatorname {acosh}{\left (a x \right )}}{a^{4} x^{4} - 2 a^{2} x^{2} + 1}\, dx}{c^{2}} \]
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\[ \int \frac {\text {arccosh}(a x)}{\left (c-a^2 c x^2\right )^2} \, dx=\int { \frac {\operatorname {arcosh}\left (a x\right )}{{\left (a^{2} c x^{2} - c\right )}^{2}} \,d x } \]
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\[ \int \frac {\text {arccosh}(a x)}{\left (c-a^2 c x^2\right )^2} \, dx=\int { \frac {\operatorname {arcosh}\left (a x\right )}{{\left (a^{2} c x^{2} - c\right )}^{2}} \,d x } \]
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Timed out. \[ \int \frac {\text {arccosh}(a x)}{\left (c-a^2 c x^2\right )^2} \, dx=\int \frac {\mathrm {acosh}\left (a\,x\right )}{{\left (c-a^2\,c\,x^2\right )}^2} \,d x \]
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