Integrand size = 10, antiderivative size = 76 \[ \int \frac {1}{\sinh ^{\frac {3}{2}}(a+b x)} \, dx=-\frac {2 \cosh (a+b x)}{b \sqrt {\sinh (a+b x)}}-\frac {2 i E\left (\left .\frac {1}{2} \left (i a-\frac {\pi }{2}+i b x\right )\right |2\right ) \sqrt {\sinh (a+b x)}}{b \sqrt {i \sinh (a+b x)}} \]
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Time = 0.02 (sec) , antiderivative size = 76, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.300, Rules used = {2716, 2721, 2719} \[ \int \frac {1}{\sinh ^{\frac {3}{2}}(a+b x)} \, dx=-\frac {2 \cosh (a+b x)}{b \sqrt {\sinh (a+b x)}}-\frac {2 i \sqrt {\sinh (a+b x)} E\left (\left .\frac {1}{2} \left (i a+i b x-\frac {\pi }{2}\right )\right |2\right )}{b \sqrt {i \sinh (a+b x)}} \]
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Rule 2716
Rule 2719
Rule 2721
Rubi steps \begin{align*} \text {integral}& = -\frac {2 \cosh (a+b x)}{b \sqrt {\sinh (a+b x)}}+\int \sqrt {\sinh (a+b x)} \, dx \\ & = -\frac {2 \cosh (a+b x)}{b \sqrt {\sinh (a+b x)}}+\frac {\sqrt {\sinh (a+b x)} \int \sqrt {i \sinh (a+b x)} \, dx}{\sqrt {i \sinh (a+b x)}} \\ & = -\frac {2 \cosh (a+b x)}{b \sqrt {\sinh (a+b x)}}-\frac {2 i E\left (\left .\frac {1}{2} \left (i a-\frac {\pi }{2}+i b x\right )\right |2\right ) \sqrt {\sinh (a+b x)}}{b \sqrt {i \sinh (a+b x)}} \\ \end{align*}
Time = 0.05 (sec) , antiderivative size = 57, normalized size of antiderivative = 0.75 \[ \int \frac {1}{\sinh ^{\frac {3}{2}}(a+b x)} \, dx=-\frac {2 \left (\cosh (a+b x)-E\left (\left .\frac {1}{4} (-2 i a+\pi -2 i b x)\right |2\right ) \sqrt {i \sinh (a+b x)}\right )}{b \sqrt {\sinh (a+b x)}} \]
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Time = 0.88 (sec) , antiderivative size = 154, normalized size of antiderivative = 2.03
method | result | size |
default | \(\frac {2 \sqrt {1-i \sinh \left (b x +a \right )}\, \sqrt {2}\, \sqrt {1+i \sinh \left (b x +a \right )}\, \sqrt {i \sinh \left (b x +a \right )}\, \operatorname {EllipticE}\left (\sqrt {1-i \sinh \left (b x +a \right )}, \frac {\sqrt {2}}{2}\right )-\sqrt {1-i \sinh \left (b x +a \right )}\, \sqrt {2}\, \sqrt {1+i \sinh \left (b x +a \right )}\, \sqrt {i \sinh \left (b x +a \right )}\, \operatorname {EllipticF}\left (\sqrt {1-i \sinh \left (b x +a \right )}, \frac {\sqrt {2}}{2}\right )-2 \cosh \left (b x +a \right )^{2}}{\cosh \left (b x +a \right ) \sqrt {\sinh \left (b x +a \right )}\, b}\) | \(154\) |
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Result contains higher order function than in optimal. Order 9 vs. order 4.
Time = 0.07 (sec) , antiderivative size = 152, normalized size of antiderivative = 2.00 \[ \int \frac {1}{\sinh ^{\frac {3}{2}}(a+b x)} \, dx=-\frac {2 \, {\left ({\left (\sqrt {2} \cosh \left (b x + a\right )^{2} + 2 \, \sqrt {2} \cosh \left (b x + a\right ) \sinh \left (b x + a\right ) + \sqrt {2} \sinh \left (b x + a\right )^{2} - \sqrt {2}\right )} {\rm weierstrassZeta}\left (4, 0, {\rm weierstrassPInverse}\left (4, 0, \cosh \left (b x + a\right ) + \sinh \left (b x + a\right )\right )\right ) + 2 \, {\left (\cosh \left (b x + a\right )^{2} + 2 \, \cosh \left (b x + a\right ) \sinh \left (b x + a\right ) + \sinh \left (b x + a\right )^{2}\right )} \sqrt {\sinh \left (b x + a\right )}\right )}}{b \cosh \left (b x + a\right )^{2} + 2 \, b \cosh \left (b x + a\right ) \sinh \left (b x + a\right ) + b \sinh \left (b x + a\right )^{2} - b} \]
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\[ \int \frac {1}{\sinh ^{\frac {3}{2}}(a+b x)} \, dx=\int \frac {1}{\sinh ^{\frac {3}{2}}{\left (a + b x \right )}}\, dx \]
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\[ \int \frac {1}{\sinh ^{\frac {3}{2}}(a+b x)} \, dx=\int { \frac {1}{\sinh \left (b x + a\right )^{\frac {3}{2}}} \,d x } \]
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\[ \int \frac {1}{\sinh ^{\frac {3}{2}}(a+b x)} \, dx=\int { \frac {1}{\sinh \left (b x + a\right )^{\frac {3}{2}}} \,d x } \]
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Timed out. \[ \int \frac {1}{\sinh ^{\frac {3}{2}}(a+b x)} \, dx=\int \frac {1}{{\mathrm {sinh}\left (a+b\,x\right )}^{3/2}} \,d x \]
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