Integrand size = 20, antiderivative size = 163 \[ \int \frac {\text {arccosh}(a x)^2}{\left (c-a^2 c x^2\right )^2} \, dx=-\frac {\text {arccosh}(a x)}{a c^2 \sqrt {-1+a x} \sqrt {1+a x}}+\frac {x \text {arccosh}(a x)^2}{2 c^2 \left (1-a^2 x^2\right )}+\frac {\text {arccosh}(a x)^2 \text {arctanh}\left (e^{\text {arccosh}(a x)}\right )}{a c^2}-\frac {\text {arctanh}(a x)}{a c^2}+\frac {\text {arccosh}(a x) \operatorname {PolyLog}\left (2,-e^{\text {arccosh}(a x)}\right )}{a c^2}-\frac {\text {arccosh}(a x) \operatorname {PolyLog}\left (2,e^{\text {arccosh}(a x)}\right )}{a c^2}-\frac {\operatorname {PolyLog}\left (3,-e^{\text {arccosh}(a x)}\right )}{a c^2}+\frac {\operatorname {PolyLog}\left (3,e^{\text {arccosh}(a x)}\right )}{a c^2} \]
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Time = 0.22 (sec) , antiderivative size = 163, normalized size of antiderivative = 1.00, number of steps used = 12, number of rules used = 9, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.450, Rules used = {5901, 5903, 4267, 2611, 2320, 6724, 5915, 35, 213} \[ \int \frac {\text {arccosh}(a x)^2}{\left (c-a^2 c x^2\right )^2} \, dx=\frac {x \text {arccosh}(a x)^2}{2 c^2 \left (1-a^2 x^2\right )}+\frac {\text {arccosh}(a x)^2 \text {arctanh}\left (e^{\text {arccosh}(a x)}\right )}{a c^2}+\frac {\text {arccosh}(a x) \operatorname {PolyLog}\left (2,-e^{\text {arccosh}(a x)}\right )}{a c^2}-\frac {\text {arccosh}(a x) \operatorname {PolyLog}\left (2,e^{\text {arccosh}(a x)}\right )}{a c^2}-\frac {\operatorname {PolyLog}\left (3,-e^{\text {arccosh}(a x)}\right )}{a c^2}+\frac {\operatorname {PolyLog}\left (3,e^{\text {arccosh}(a x)}\right )}{a c^2}-\frac {\text {arccosh}(a x)}{a c^2 \sqrt {a x-1} \sqrt {a x+1}}-\frac {\text {arctanh}(a x)}{a c^2} \]
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Rule 35
Rule 213
Rule 2320
Rule 2611
Rule 4267
Rule 5901
Rule 5903
Rule 5915
Rule 6724
Rubi steps \begin{align*} \text {integral}& = \frac {x \text {arccosh}(a x)^2}{2 c^2 \left (1-a^2 x^2\right )}+\frac {a \int \frac {x \text {arccosh}(a x)}{(-1+a x)^{3/2} (1+a x)^{3/2}} \, dx}{c^2}+\frac {\int \frac {\text {arccosh}(a x)^2}{c-a^2 c x^2} \, dx}{2 c} \\ & = -\frac {\text {arccosh}(a x)}{a c^2 \sqrt {-1+a x} \sqrt {1+a x}}+\frac {x \text {arccosh}(a x)^2}{2 c^2 \left (1-a^2 x^2\right )}+\frac {\int \frac {1}{(-1+a x) (1+a x)} \, dx}{c^2}-\frac {\text {Subst}\left (\int x^2 \text {csch}(x) \, dx,x,\text {arccosh}(a x)\right )}{2 a c^2} \\ & = -\frac {\text {arccosh}(a x)}{a c^2 \sqrt {-1+a x} \sqrt {1+a x}}+\frac {x \text {arccosh}(a x)^2}{2 c^2 \left (1-a^2 x^2\right )}+\frac {\text {arccosh}(a x)^2 \text {arctanh}\left (e^{\text {arccosh}(a x)}\right )}{a c^2}+\frac {\int \frac {1}{-1+a^2 x^2} \, dx}{c^2}+\frac {\text {Subst}\left (\int x \log \left (1-e^x\right ) \, dx,x,\text {arccosh}(a x)\right )}{a c^2}-\frac {\text {Subst}\left (\int x \log \left (1+e^x\right ) \, dx,x,\text {arccosh}(a x)\right )}{a c^2} \\ & = -\frac {\text {arccosh}(a x)}{a c^2 \sqrt {-1+a x} \sqrt {1+a x}}+\frac {x \text {arccosh}(a x)^2}{2 c^2 \left (1-a^2 x^2\right )}+\frac {\text {arccosh}(a x)^2 \text {arctanh}\left (e^{\text {arccosh}(a x)}\right )}{a c^2}-\frac {\text {arctanh}(a x)}{a c^2}+\frac {\text {arccosh}(a x) \operatorname {PolyLog}\left (2,-e^{\text {arccosh}(a x)}\right )}{a c^2}-\frac {\text {arccosh}(a x) \operatorname {PolyLog}\left (2,e^{\text {arccosh}(a x)}\right )}{a c^2}-\frac {\text {Subst}\left (\int \operatorname {PolyLog}\left (2,-e^x\right ) \, dx,x,\text {arccosh}(a x)\right )}{a c^2}+\frac {\text {Subst}\left (\int \operatorname {PolyLog}\left (2,e^x\right ) \, dx,x,\text {arccosh}(a x)\right )}{a c^2} \\ & = -\frac {\text {arccosh}(a x)}{a c^2 \sqrt {-1+a x} \sqrt {1+a x}}+\frac {x \text {arccosh}(a x)^2}{2 c^2 \left (1-a^2 x^2\right )}+\frac {\text {arccosh}(a x)^2 \text {arctanh}\left (e^{\text {arccosh}(a x)}\right )}{a c^2}-\frac {\text {arctanh}(a x)}{a c^2}+\frac {\text {arccosh}(a x) \operatorname {PolyLog}\left (2,-e^{\text {arccosh}(a x)}\right )}{a c^2}-\frac {\text {arccosh}(a x) \operatorname {PolyLog}\left (2,e^{\text {arccosh}(a x)}\right )}{a c^2}-\frac {\text {Subst}\left (\int \frac {\operatorname {PolyLog}(2,-x)}{x} \, dx,x,e^{\text {arccosh}(a x)}\right )}{a c^2}+\frac {\text {Subst}\left (\int \frac {\operatorname {PolyLog}(2,x)}{x} \, dx,x,e^{\text {arccosh}(a x)}\right )}{a c^2} \\ & = -\frac {\text {arccosh}(a x)}{a c^2 \sqrt {-1+a x} \sqrt {1+a x}}+\frac {x \text {arccosh}(a x)^2}{2 c^2 \left (1-a^2 x^2\right )}+\frac {\text {arccosh}(a x)^2 \text {arctanh}\left (e^{\text {arccosh}(a x)}\right )}{a c^2}-\frac {\text {arctanh}(a x)}{a c^2}+\frac {\text {arccosh}(a x) \operatorname {PolyLog}\left (2,-e^{\text {arccosh}(a x)}\right )}{a c^2}-\frac {\text {arccosh}(a x) \operatorname {PolyLog}\left (2,e^{\text {arccosh}(a x)}\right )}{a c^2}-\frac {\operatorname {PolyLog}\left (3,-e^{\text {arccosh}(a x)}\right )}{a c^2}+\frac {\operatorname {PolyLog}\left (3,e^{\text {arccosh}(a x)}\right )}{a c^2} \\ \end{align*}
Time = 0.89 (sec) , antiderivative size = 191, normalized size of antiderivative = 1.17 \[ \int \frac {\text {arccosh}(a x)^2}{\left (c-a^2 c x^2\right )^2} \, dx=\frac {-4 \text {arccosh}(a x) \coth \left (\frac {1}{2} \text {arccosh}(a x)\right )-\text {arccosh}(a x)^2 \text {csch}^2\left (\frac {1}{2} \text {arccosh}(a x)\right )-4 \text {arccosh}(a x)^2 \log \left (1-e^{-\text {arccosh}(a x)}\right )+4 \text {arccosh}(a x)^2 \log \left (1+e^{-\text {arccosh}(a x)}\right )+8 \log \left (\tanh \left (\frac {1}{2} \text {arccosh}(a x)\right )\right )-8 \text {arccosh}(a x) \operatorname {PolyLog}\left (2,-e^{-\text {arccosh}(a x)}\right )+8 \text {arccosh}(a x) \operatorname {PolyLog}\left (2,e^{-\text {arccosh}(a x)}\right )-8 \operatorname {PolyLog}\left (3,-e^{-\text {arccosh}(a x)}\right )+8 \operatorname {PolyLog}\left (3,e^{-\text {arccosh}(a x)}\right )-\text {arccosh}(a x)^2 \text {sech}^2\left (\frac {1}{2} \text {arccosh}(a x)\right )+4 \text {arccosh}(a x) \tanh \left (\frac {1}{2} \text {arccosh}(a x)\right )}{8 a c^2} \]
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Time = 0.48 (sec) , antiderivative size = 255, normalized size of antiderivative = 1.56
method | result | size |
derivativedivides | \(\frac {-\frac {\operatorname {arccosh}\left (a x \right ) \left (a x \,\operatorname {arccosh}\left (a x \right )+2 \sqrt {a x -1}\, \sqrt {a x +1}\right )}{2 \left (a^{2} x^{2}-1\right ) c^{2}}+\frac {\operatorname {arccosh}\left (a x \right )^{2} \ln \left (1+a x +\sqrt {a x -1}\, \sqrt {a x +1}\right )}{2 c^{2}}+\frac {\operatorname {arccosh}\left (a x \right ) \operatorname {polylog}\left (2, -a x -\sqrt {a x -1}\, \sqrt {a x +1}\right )}{c^{2}}-\frac {\operatorname {polylog}\left (3, -a x -\sqrt {a x -1}\, \sqrt {a x +1}\right )}{c^{2}}-\frac {\operatorname {arccosh}\left (a x \right )^{2} \ln \left (1-a x -\sqrt {a x -1}\, \sqrt {a x +1}\right )}{2 c^{2}}-\frac {\operatorname {arccosh}\left (a x \right ) \operatorname {polylog}\left (2, a x +\sqrt {a x -1}\, \sqrt {a x +1}\right )}{c^{2}}+\frac {\operatorname {polylog}\left (3, a x +\sqrt {a x -1}\, \sqrt {a x +1}\right )}{c^{2}}-\frac {2 \,\operatorname {arctanh}\left (a x +\sqrt {a x -1}\, \sqrt {a x +1}\right )}{c^{2}}}{a}\) | \(255\) |
default | \(\frac {-\frac {\operatorname {arccosh}\left (a x \right ) \left (a x \,\operatorname {arccosh}\left (a x \right )+2 \sqrt {a x -1}\, \sqrt {a x +1}\right )}{2 \left (a^{2} x^{2}-1\right ) c^{2}}+\frac {\operatorname {arccosh}\left (a x \right )^{2} \ln \left (1+a x +\sqrt {a x -1}\, \sqrt {a x +1}\right )}{2 c^{2}}+\frac {\operatorname {arccosh}\left (a x \right ) \operatorname {polylog}\left (2, -a x -\sqrt {a x -1}\, \sqrt {a x +1}\right )}{c^{2}}-\frac {\operatorname {polylog}\left (3, -a x -\sqrt {a x -1}\, \sqrt {a x +1}\right )}{c^{2}}-\frac {\operatorname {arccosh}\left (a x \right )^{2} \ln \left (1-a x -\sqrt {a x -1}\, \sqrt {a x +1}\right )}{2 c^{2}}-\frac {\operatorname {arccosh}\left (a x \right ) \operatorname {polylog}\left (2, a x +\sqrt {a x -1}\, \sqrt {a x +1}\right )}{c^{2}}+\frac {\operatorname {polylog}\left (3, a x +\sqrt {a x -1}\, \sqrt {a x +1}\right )}{c^{2}}-\frac {2 \,\operatorname {arctanh}\left (a x +\sqrt {a x -1}\, \sqrt {a x +1}\right )}{c^{2}}}{a}\) | \(255\) |
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\[ \int \frac {\text {arccosh}(a x)^2}{\left (c-a^2 c x^2\right )^2} \, dx=\int { \frac {\operatorname {arcosh}\left (a x\right )^{2}}{{\left (a^{2} c x^{2} - c\right )}^{2}} \,d x } \]
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\[ \int \frac {\text {arccosh}(a x)^2}{\left (c-a^2 c x^2\right )^2} \, dx=\frac {\int \frac {\operatorname {acosh}^{2}{\left (a x \right )}}{a^{4} x^{4} - 2 a^{2} x^{2} + 1}\, dx}{c^{2}} \]
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\[ \int \frac {\text {arccosh}(a x)^2}{\left (c-a^2 c x^2\right )^2} \, dx=\int { \frac {\operatorname {arcosh}\left (a x\right )^{2}}{{\left (a^{2} c x^{2} - c\right )}^{2}} \,d x } \]
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\[ \int \frac {\text {arccosh}(a x)^2}{\left (c-a^2 c x^2\right )^2} \, dx=\int { \frac {\operatorname {arcosh}\left (a x\right )^{2}}{{\left (a^{2} c x^{2} - c\right )}^{2}} \,d x } \]
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Timed out. \[ \int \frac {\text {arccosh}(a x)^2}{\left (c-a^2 c x^2\right )^2} \, dx=\int \frac {{\mathrm {acosh}\left (a\,x\right )}^2}{{\left (c-a^2\,c\,x^2\right )}^2} \,d x \]
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