Integrand size = 24, antiderivative size = 24 \[ \int \frac {1}{x^2 \sqrt {1-a^2 x^2} \text {arccosh}(a x)} \, dx=\text {Int}\left (\frac {1}{x^2 \sqrt {1-a^2 x^2} \text {arccosh}(a x)},x\right ) \]
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Not integrable
Time = 0.07 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.00, number of steps used = 0, number of rules used = 0, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.000, Rules used = {} \[ \int \frac {1}{x^2 \sqrt {1-a^2 x^2} \text {arccosh}(a x)} \, dx=\int \frac {1}{x^2 \sqrt {1-a^2 x^2} \text {arccosh}(a x)} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \frac {1}{x^2 \sqrt {1-a^2 x^2} \text {arccosh}(a x)} \, dx \\ \end{align*}
Not integrable
Time = 0.89 (sec) , antiderivative size = 26, normalized size of antiderivative = 1.08 \[ \int \frac {1}{x^2 \sqrt {1-a^2 x^2} \text {arccosh}(a x)} \, dx=\int \frac {1}{x^2 \sqrt {1-a^2 x^2} \text {arccosh}(a x)} \, dx \]
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Not integrable
Time = 2.22 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.92
\[\int \frac {1}{x^{2} \operatorname {arccosh}\left (a x \right ) \sqrt {-a^{2} x^{2}+1}}d x\]
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Not integrable
Time = 0.25 (sec) , antiderivative size = 37, normalized size of antiderivative = 1.54 \[ \int \frac {1}{x^2 \sqrt {1-a^2 x^2} \text {arccosh}(a x)} \, dx=\int { \frac {1}{\sqrt {-a^{2} x^{2} + 1} x^{2} \operatorname {arcosh}\left (a x\right )} \,d x } \]
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Not integrable
Time = 4.13 (sec) , antiderivative size = 26, normalized size of antiderivative = 1.08 \[ \int \frac {1}{x^2 \sqrt {1-a^2 x^2} \text {arccosh}(a x)} \, dx=\int \frac {1}{x^{2} \sqrt {- \left (a x - 1\right ) \left (a x + 1\right )} \operatorname {acosh}{\left (a x \right )}}\, dx \]
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Not integrable
Time = 0.28 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.00 \[ \int \frac {1}{x^2 \sqrt {1-a^2 x^2} \text {arccosh}(a x)} \, dx=\int { \frac {1}{\sqrt {-a^{2} x^{2} + 1} x^{2} \operatorname {arcosh}\left (a x\right )} \,d x } \]
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Not integrable
Time = 0.29 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.00 \[ \int \frac {1}{x^2 \sqrt {1-a^2 x^2} \text {arccosh}(a x)} \, dx=\int { \frac {1}{\sqrt {-a^{2} x^{2} + 1} x^{2} \operatorname {arcosh}\left (a x\right )} \,d x } \]
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Not integrable
Time = 2.72 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.00 \[ \int \frac {1}{x^2 \sqrt {1-a^2 x^2} \text {arccosh}(a x)} \, dx=\int \frac {1}{x^2\,\mathrm {acosh}\left (a\,x\right )\,\sqrt {1-a^2\,x^2}} \,d x \]
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