Integrand size = 10, antiderivative size = 95 \[ \int \frac {\text {arccosh}(a x)^2}{x^5} \, dx=\frac {a^2}{12 x^2}+\frac {a \sqrt {-1+a x} \sqrt {1+a x} \text {arccosh}(a x)}{6 x^3}+\frac {a^3 \sqrt {-1+a x} \sqrt {1+a x} \text {arccosh}(a x)}{3 x}-\frac {\text {arccosh}(a x)^2}{4 x^4}-\frac {1}{3} a^4 \log (x) \]
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Time = 0.25 (sec) , antiderivative size = 95, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.500, Rules used = {5883, 5933, 5918, 29, 30} \[ \int \frac {\text {arccosh}(a x)^2}{x^5} \, dx=-\frac {1}{3} a^4 \log (x)+\frac {a^3 \sqrt {a x-1} \sqrt {a x+1} \text {arccosh}(a x)}{3 x}+\frac {a^2}{12 x^2}-\frac {\text {arccosh}(a x)^2}{4 x^4}+\frac {a \sqrt {a x-1} \sqrt {a x+1} \text {arccosh}(a x)}{6 x^3} \]
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Rule 29
Rule 30
Rule 5883
Rule 5918
Rule 5933
Rubi steps \begin{align*} \text {integral}& = -\frac {\text {arccosh}(a x)^2}{4 x^4}+\frac {1}{2} a \int \frac {\text {arccosh}(a x)}{x^4 \sqrt {-1+a x} \sqrt {1+a x}} \, dx \\ & = \frac {a \sqrt {-1+a x} \sqrt {1+a x} \text {arccosh}(a x)}{6 x^3}-\frac {\text {arccosh}(a x)^2}{4 x^4}-\frac {1}{6} a^2 \int \frac {1}{x^3} \, dx+\frac {1}{3} a^3 \int \frac {\text {arccosh}(a x)}{x^2 \sqrt {-1+a x} \sqrt {1+a x}} \, dx \\ & = \frac {a^2}{12 x^2}+\frac {a \sqrt {-1+a x} \sqrt {1+a x} \text {arccosh}(a x)}{6 x^3}+\frac {a^3 \sqrt {-1+a x} \sqrt {1+a x} \text {arccosh}(a x)}{3 x}-\frac {\text {arccosh}(a x)^2}{4 x^4}-\frac {1}{3} a^4 \int \frac {1}{x} \, dx \\ & = \frac {a^2}{12 x^2}+\frac {a \sqrt {-1+a x} \sqrt {1+a x} \text {arccosh}(a x)}{6 x^3}+\frac {a^3 \sqrt {-1+a x} \sqrt {1+a x} \text {arccosh}(a x)}{3 x}-\frac {\text {arccosh}(a x)^2}{4 x^4}-\frac {1}{3} a^4 \log (x) \\ \end{align*}
Time = 0.06 (sec) , antiderivative size = 69, normalized size of antiderivative = 0.73 \[ \int \frac {\text {arccosh}(a x)^2}{x^5} \, dx=\frac {a^2 x^2+2 a x \sqrt {-1+a x} \sqrt {1+a x} \left (1+2 a^2 x^2\right ) \text {arccosh}(a x)-3 \text {arccosh}(a x)^2-4 a^4 x^4 \log (x)}{12 x^4} \]
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Time = 0.20 (sec) , antiderivative size = 123, normalized size of antiderivative = 1.29
method | result | size |
derivativedivides | \(a^{4} \left (\frac {2 \,\operatorname {arccosh}\left (a x \right )}{3}-\frac {-4 a^{3} x^{3} \operatorname {arccosh}\left (a x \right ) \sqrt {a x -1}\, \sqrt {a x +1}+4 a^{4} x^{4} \operatorname {arccosh}\left (a x \right )-2 a x \,\operatorname {arccosh}\left (a x \right ) \sqrt {a x -1}\, \sqrt {a x +1}+3 \operatorname {arccosh}\left (a x \right )^{2}-a^{2} x^{2}}{12 a^{4} x^{4}}-\frac {\ln \left (1+\left (a x +\sqrt {a x -1}\, \sqrt {a x +1}\right )^{2}\right )}{3}\right )\) | \(123\) |
default | \(a^{4} \left (\frac {2 \,\operatorname {arccosh}\left (a x \right )}{3}-\frac {-4 a^{3} x^{3} \operatorname {arccosh}\left (a x \right ) \sqrt {a x -1}\, \sqrt {a x +1}+4 a^{4} x^{4} \operatorname {arccosh}\left (a x \right )-2 a x \,\operatorname {arccosh}\left (a x \right ) \sqrt {a x -1}\, \sqrt {a x +1}+3 \operatorname {arccosh}\left (a x \right )^{2}-a^{2} x^{2}}{12 a^{4} x^{4}}-\frac {\ln \left (1+\left (a x +\sqrt {a x -1}\, \sqrt {a x +1}\right )^{2}\right )}{3}\right )\) | \(123\) |
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Time = 0.25 (sec) , antiderivative size = 85, normalized size of antiderivative = 0.89 \[ \int \frac {\text {arccosh}(a x)^2}{x^5} \, dx=-\frac {4 \, a^{4} x^{4} \log \left (x\right ) - a^{2} x^{2} - 2 \, {\left (2 \, a^{3} x^{3} + a x\right )} \sqrt {a^{2} x^{2} - 1} \log \left (a x + \sqrt {a^{2} x^{2} - 1}\right ) + 3 \, \log \left (a x + \sqrt {a^{2} x^{2} - 1}\right )^{2}}{12 \, x^{4}} \]
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\[ \int \frac {\text {arccosh}(a x)^2}{x^5} \, dx=\int \frac {\operatorname {acosh}^{2}{\left (a x \right )}}{x^{5}}\, dx \]
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Time = 0.34 (sec) , antiderivative size = 72, normalized size of antiderivative = 0.76 \[ \int \frac {\text {arccosh}(a x)^2}{x^5} \, dx=-\frac {1}{12} \, {\left (4 \, a^{2} \log \left (x\right ) - \frac {1}{x^{2}}\right )} a^{2} + \frac {1}{6} \, {\left (\frac {2 \, \sqrt {a^{2} x^{2} - 1} a^{2}}{x} + \frac {\sqrt {a^{2} x^{2} - 1}}{x^{3}}\right )} a \operatorname {arcosh}\left (a x\right ) - \frac {\operatorname {arcosh}\left (a x\right )^{2}}{4 \, x^{4}} \]
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Time = 0.35 (sec) , antiderivative size = 147, normalized size of antiderivative = 1.55 \[ \int \frac {\text {arccosh}(a x)^2}{x^5} \, dx=-\frac {1}{12} \, {\left (2 \, a^{3} \log \left (x^{2}\right ) - 4 \, a^{3} \log \left ({\left | -x {\left | a \right |} + \sqrt {a^{2} x^{2} - 1} \right |}\right ) - \frac {8 \, {\left (3 \, {\left (x {\left | a \right |} - \sqrt {a^{2} x^{2} - 1}\right )}^{2} + 1\right )} a^{2} {\left | a \right |} \log \left (a x + \sqrt {a^{2} x^{2} - 1}\right )}{{\left ({\left (x {\left | a \right |} - \sqrt {a^{2} x^{2} - 1}\right )}^{2} + 1\right )}^{3}} - \frac {2 \, a^{3} x^{2} + a}{x^{2}}\right )} a - \frac {\log \left (a x + \sqrt {a^{2} x^{2} - 1}\right )^{2}}{4 \, x^{4}} \]
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Timed out. \[ \int \frac {\text {arccosh}(a x)^2}{x^5} \, dx=\int \frac {{\mathrm {acosh}\left (a\,x\right )}^2}{x^5} \,d x \]
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