Integrand size = 24, antiderivative size = 46 \[ \int \frac {1}{\sqrt {c-a^2 c x^2} \sqrt {\text {arccosh}(a x)}} \, dx=\frac {2 \sqrt {-1+a x} \sqrt {1+a x} \sqrt {\text {arccosh}(a x)}}{a \sqrt {c-a^2 c x^2}} \]
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Time = 0.04 (sec) , antiderivative size = 46, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.042, Rules used = {5892} \[ \int \frac {1}{\sqrt {c-a^2 c x^2} \sqrt {\text {arccosh}(a x)}} \, dx=\frac {2 \sqrt {a x-1} \sqrt {a x+1} \sqrt {\text {arccosh}(a x)}}{a \sqrt {c-a^2 c x^2}} \]
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Rule 5892
Rubi steps \begin{align*} \text {integral}& = \frac {2 \sqrt {-1+a x} \sqrt {1+a x} \sqrt {\text {arccosh}(a x)}}{a \sqrt {c-a^2 c x^2}} \\ \end{align*}
Time = 0.03 (sec) , antiderivative size = 46, normalized size of antiderivative = 1.00 \[ \int \frac {1}{\sqrt {c-a^2 c x^2} \sqrt {\text {arccosh}(a x)}} \, dx=\frac {2 \sqrt {-1+a x} \sqrt {1+a x} \sqrt {\text {arccosh}(a x)}}{a \sqrt {c-a^2 c x^2}} \]
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Time = 0.54 (sec) , antiderivative size = 41, normalized size of antiderivative = 0.89
method | result | size |
default | \(\frac {2 \sqrt {a x -1}\, \sqrt {a x +1}\, \sqrt {\operatorname {arccosh}\left (a x \right )}}{\sqrt {-c \left (a x -1\right ) \left (a x +1\right )}\, a}\) | \(41\) |
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Exception generated. \[ \int \frac {1}{\sqrt {c-a^2 c x^2} \sqrt {\text {arccosh}(a x)}} \, dx=\text {Exception raised: TypeError} \]
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\[ \int \frac {1}{\sqrt {c-a^2 c x^2} \sqrt {\text {arccosh}(a x)}} \, dx=\int \frac {1}{\sqrt {- c \left (a x - 1\right ) \left (a x + 1\right )} \sqrt {\operatorname {acosh}{\left (a x \right )}}}\, dx \]
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\[ \int \frac {1}{\sqrt {c-a^2 c x^2} \sqrt {\text {arccosh}(a x)}} \, dx=\int { \frac {1}{\sqrt {-a^{2} c x^{2} + c} \sqrt {\operatorname {arcosh}\left (a x\right )}} \,d x } \]
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\[ \int \frac {1}{\sqrt {c-a^2 c x^2} \sqrt {\text {arccosh}(a x)}} \, dx=\int { \frac {1}{\sqrt {-a^{2} c x^{2} + c} \sqrt {\operatorname {arcosh}\left (a x\right )}} \,d x } \]
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Timed out. \[ \int \frac {1}{\sqrt {c-a^2 c x^2} \sqrt {\text {arccosh}(a x)}} \, dx=\int \frac {1}{\sqrt {\mathrm {acosh}\left (a\,x\right )}\,\sqrt {c-a^2\,c\,x^2}} \,d x \]
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