Integrand size = 8, antiderivative size = 32 \[ \int \frac {\text {arccosh}(a x)}{x^2} \, dx=-\frac {\text {arccosh}(a x)}{x}+a \arctan \left (\sqrt {-1+a x} \sqrt {1+a x}\right ) \]
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Time = 0.01 (sec) , antiderivative size = 32, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.375, Rules used = {5883, 94, 211} \[ \int \frac {\text {arccosh}(a x)}{x^2} \, dx=a \arctan \left (\sqrt {a x-1} \sqrt {a x+1}\right )-\frac {\text {arccosh}(a x)}{x} \]
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Rule 94
Rule 211
Rule 5883
Rubi steps \begin{align*} \text {integral}& = -\frac {\text {arccosh}(a x)}{x}+a \int \frac {1}{x \sqrt {-1+a x} \sqrt {1+a x}} \, dx \\ & = -\frac {\text {arccosh}(a x)}{x}+a^2 \text {Subst}\left (\int \frac {1}{a+a x^2} \, dx,x,\sqrt {-1+a x} \sqrt {1+a x}\right ) \\ & = -\frac {\text {arccosh}(a x)}{x}+a \arctan \left (\sqrt {-1+a x} \sqrt {1+a x}\right ) \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 57, normalized size of antiderivative = 1.78 \[ \int \frac {\text {arccosh}(a x)}{x^2} \, dx=-\frac {\text {arccosh}(a x)}{x}+\frac {a \sqrt {-1+a^2 x^2} \arctan \left (\sqrt {-1+a^2 x^2}\right )}{\sqrt {-1+a x} \sqrt {1+a x}} \]
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Time = 0.04 (sec) , antiderivative size = 51, normalized size of antiderivative = 1.59
method | result | size |
parts | \(-\frac {\operatorname {arccosh}\left (a x \right )}{x}-\frac {a \sqrt {a x -1}\, \sqrt {a x +1}\, \arctan \left (\frac {1}{\sqrt {a^{2} x^{2}-1}}\right )}{\sqrt {a^{2} x^{2}-1}}\) | \(51\) |
derivativedivides | \(a \left (-\frac {\operatorname {arccosh}\left (a x \right )}{a x}-\frac {\sqrt {a x -1}\, \sqrt {a x +1}\, \arctan \left (\frac {1}{\sqrt {a^{2} x^{2}-1}}\right )}{\sqrt {a^{2} x^{2}-1}}\right )\) | \(55\) |
default | \(a \left (-\frac {\operatorname {arccosh}\left (a x \right )}{a x}-\frac {\sqrt {a x -1}\, \sqrt {a x +1}\, \arctan \left (\frac {1}{\sqrt {a^{2} x^{2}-1}}\right )}{\sqrt {a^{2} x^{2}-1}}\right )\) | \(55\) |
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Leaf count of result is larger than twice the leaf count of optimal. 65 vs. \(2 (28) = 56\).
Time = 0.26 (sec) , antiderivative size = 65, normalized size of antiderivative = 2.03 \[ \int \frac {\text {arccosh}(a x)}{x^2} \, dx=\frac {2 \, a x \arctan \left (-a x + \sqrt {a^{2} x^{2} - 1}\right ) + {\left (x - 1\right )} \log \left (a x + \sqrt {a^{2} x^{2} - 1}\right ) + x \log \left (-a x + \sqrt {a^{2} x^{2} - 1}\right )}{x} \]
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\[ \int \frac {\text {arccosh}(a x)}{x^2} \, dx=\int \frac {\operatorname {acosh}{\left (a x \right )}}{x^{2}}\, dx \]
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none
Time = 0.33 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.69 \[ \int \frac {\text {arccosh}(a x)}{x^2} \, dx=-a \arcsin \left (\frac {1}{a {\left | x \right |}}\right ) - \frac {\operatorname {arcosh}\left (a x\right )}{x} \]
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none
Time = 0.29 (sec) , antiderivative size = 36, normalized size of antiderivative = 1.12 \[ \int \frac {\text {arccosh}(a x)}{x^2} \, dx=a \arctan \left (\sqrt {a^{2} x^{2} - 1}\right ) - \frac {\log \left (a x + \sqrt {a^{2} x^{2} - 1}\right )}{x} \]
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Timed out. \[ \int \frac {\text {arccosh}(a x)}{x^2} \, dx=\int \frac {\mathrm {acosh}\left (a\,x\right )}{x^2} \,d x \]
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