Integrand size = 10, antiderivative size = 54 \[ \int \sqrt {\text {csch}(a+b x)} \, dx=-\frac {2 i \sqrt {\text {csch}(a+b x)} \operatorname {EllipticF}\left (\frac {1}{2} \left (i a-\frac {\pi }{2}+i b x\right ),2\right ) \sqrt {i \sinh (a+b x)}}{b} \]
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Time = 0.02 (sec) , antiderivative size = 54, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.200, Rules used = {3856, 2720} \[ \int \sqrt {\text {csch}(a+b x)} \, dx=-\frac {2 i \sqrt {i \sinh (a+b x)} \sqrt {\text {csch}(a+b x)} \operatorname {EllipticF}\left (\frac {1}{2} \left (i a+i b x-\frac {\pi }{2}\right ),2\right )}{b} \]
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Rule 2720
Rule 3856
Rubi steps \begin{align*} \text {integral}& = \left (\sqrt {\text {csch}(a+b x)} \sqrt {i \sinh (a+b x)}\right ) \int \frac {1}{\sqrt {i \sinh (a+b x)}} \, dx \\ & = -\frac {2 i \sqrt {\text {csch}(a+b x)} \operatorname {EllipticF}\left (\frac {1}{2} \left (i a-\frac {\pi }{2}+i b x\right ),2\right ) \sqrt {i \sinh (a+b x)}}{b} \\ \end{align*}
Time = 0.16 (sec) , antiderivative size = 48, normalized size of antiderivative = 0.89 \[ \int \sqrt {\text {csch}(a+b x)} \, dx=\frac {2 \text {csch}^{\frac {3}{2}}(a+b x) \operatorname {EllipticF}\left (\frac {1}{4} (-2 i a+\pi -2 i b x),2\right ) (i \sinh (a+b x))^{3/2}}{b} \]
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Time = 0.31 (sec) , antiderivative size = 87, normalized size of antiderivative = 1.61
method | result | size |
default | \(\frac {i \sqrt {-i \left (\sinh \left (b x +a \right )+i\right )}\, \sqrt {2}\, \sqrt {-i \left (-\sinh \left (b x +a \right )+i\right )}\, \sqrt {i \sinh \left (b x +a \right )}\, \operatorname {EllipticF}\left (\sqrt {-i \left (\sinh \left (b x +a \right )+i\right )}, \frac {\sqrt {2}}{2}\right )}{\cosh \left (b x +a \right ) \sqrt {\sinh \left (b x +a \right )}\, b}\) | \(87\) |
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Result contains higher order function than in optimal. Order 9 vs. order 4.
Time = 0.08 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.44 \[ \int \sqrt {\text {csch}(a+b x)} \, dx=\frac {2 \, \sqrt {2} {\rm weierstrassPInverse}\left (4, 0, \cosh \left (b x + a\right ) + \sinh \left (b x + a\right )\right )}{b} \]
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\[ \int \sqrt {\text {csch}(a+b x)} \, dx=\int \sqrt {\operatorname {csch}{\left (a + b x \right )}}\, dx \]
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\[ \int \sqrt {\text {csch}(a+b x)} \, dx=\int { \sqrt {\operatorname {csch}\left (b x + a\right )} \,d x } \]
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\[ \int \sqrt {\text {csch}(a+b x)} \, dx=\int { \sqrt {\operatorname {csch}\left (b x + a\right )} \,d x } \]
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Timed out. \[ \int \sqrt {\text {csch}(a+b x)} \, dx=\int \sqrt {\frac {1}{\mathrm {sinh}\left (a+b\,x\right )}} \,d x \]
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