Integrand size = 10, antiderivative size = 103 \[ \int \frac {1}{\sinh ^{\frac {7}{2}}(a+b x)} \, dx=-\frac {2 \cosh (a+b x)}{5 b \sinh ^{\frac {5}{2}}(a+b x)}+\frac {6 \cosh (a+b x)}{5 b \sqrt {\sinh (a+b x)}}+\frac {6 i E\left (\left .\frac {1}{2} \left (i a-\frac {\pi }{2}+i b x\right )\right |2\right ) \sqrt {\sinh (a+b x)}}{5 b \sqrt {i \sinh (a+b x)}} \]
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Time = 0.04 (sec) , antiderivative size = 103, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.300, Rules used = {2716, 2721, 2719} \[ \int \frac {1}{\sinh ^{\frac {7}{2}}(a+b x)} \, dx=-\frac {2 \cosh (a+b x)}{5 b \sinh ^{\frac {5}{2}}(a+b x)}+\frac {6 \cosh (a+b x)}{5 b \sqrt {\sinh (a+b x)}}+\frac {6 i \sqrt {\sinh (a+b x)} E\left (\left .\frac {1}{2} \left (i a+i b x-\frac {\pi }{2}\right )\right |2\right )}{5 b \sqrt {i \sinh (a+b x)}} \]
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Rule 2716
Rule 2719
Rule 2721
Rubi steps \begin{align*} \text {integral}& = -\frac {2 \cosh (a+b x)}{5 b \sinh ^{\frac {5}{2}}(a+b x)}-\frac {3}{5} \int \frac {1}{\sinh ^{\frac {3}{2}}(a+b x)} \, dx \\ & = -\frac {2 \cosh (a+b x)}{5 b \sinh ^{\frac {5}{2}}(a+b x)}+\frac {6 \cosh (a+b x)}{5 b \sqrt {\sinh (a+b x)}}-\frac {3}{5} \int \sqrt {\sinh (a+b x)} \, dx \\ & = -\frac {2 \cosh (a+b x)}{5 b \sinh ^{\frac {5}{2}}(a+b x)}+\frac {6 \cosh (a+b x)}{5 b \sqrt {\sinh (a+b x)}}-\frac {\left (3 \sqrt {\sinh (a+b x)}\right ) \int \sqrt {i \sinh (a+b x)} \, dx}{5 \sqrt {i \sinh (a+b x)}} \\ & = -\frac {2 \cosh (a+b x)}{5 b \sinh ^{\frac {5}{2}}(a+b x)}+\frac {6 \cosh (a+b x)}{5 b \sqrt {\sinh (a+b x)}}+\frac {6 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)}}{5 b \sqrt {i \sinh (a+b x)}} \\ \end{align*}
Time = 0.13 (sec) , antiderivative size = 73, normalized size of antiderivative = 0.71 \[ \int \frac {1}{\sinh ^{\frac {7}{2}}(a+b x)} \, dx=\frac {-2 \coth (a+b x)+6 i E\left (\left .\frac {1}{4} (-2 i a+\pi -2 i b x)\right |2\right ) (i \sinh (a+b x))^{3/2}+3 \sinh (2 (a+b x))}{5 b \sinh ^{\frac {3}{2}}(a+b x)} \]
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Time = 0.80 (sec) , antiderivative size = 192, normalized size of antiderivative = 1.86
method | result | size |
default | \(-\frac {6 \sqrt {-i \left (\sinh \left (b x +a \right )+i\right )}\, \sqrt {2}\, \sqrt {-i \left (-\sinh \left (b x +a \right )+i\right )}\, \sqrt {i \sinh \left (b x +a \right )}\, \sinh \left (b x +a \right )^{2} \operatorname {EllipticE}\left (\sqrt {-i \left (\sinh \left (b x +a \right )+i\right )}, \frac {\sqrt {2}}{2}\right )-3 \sqrt {-i \left (\sinh \left (b x +a \right )+i\right )}\, \sqrt {2}\, \sqrt {-i \left (-\sinh \left (b x +a \right )+i\right )}\, \sqrt {i \sinh \left (b x +a \right )}\, \sinh \left (b x +a \right )^{2} \operatorname {EllipticF}\left (\sqrt {-i \left (\sinh \left (b x +a \right )+i\right )}, \frac {\sqrt {2}}{2}\right )-6 \sinh \left (b x +a \right )^{4}-4 \sinh \left (b x +a \right )^{2}+2}{5 \sinh \left (b x +a \right )^{\frac {5}{2}} \cosh \left (b x +a \right ) b}\) | \(192\) |
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Result contains higher order function than in optimal. Order 9 vs. order 4.
Time = 0.08 (sec) , antiderivative size = 621, normalized size of antiderivative = 6.03 \[ \int \frac {1}{\sinh ^{\frac {7}{2}}(a+b x)} \, dx=\frac {2 \, {\left (3 \, {\left (\sqrt {2} \cosh \left (b x + a\right )^{6} + 6 \, \sqrt {2} \cosh \left (b x + a\right ) \sinh \left (b x + a\right )^{5} + \sqrt {2} \sinh \left (b x + a\right )^{6} + 3 \, {\left (5 \, \sqrt {2} \cosh \left (b x + a\right )^{2} - \sqrt {2}\right )} \sinh \left (b x + a\right )^{4} - 3 \, \sqrt {2} \cosh \left (b x + a\right )^{4} + 4 \, {\left (5 \, \sqrt {2} \cosh \left (b x + a\right )^{3} - 3 \, \sqrt {2} \cosh \left (b x + a\right )\right )} \sinh \left (b x + a\right )^{3} + 3 \, {\left (5 \, \sqrt {2} \cosh \left (b x + a\right )^{4} - 6 \, \sqrt {2} \cosh \left (b x + a\right )^{2} + \sqrt {2}\right )} \sinh \left (b x + a\right )^{2} + 3 \, \sqrt {2} \cosh \left (b x + a\right )^{2} + 6 \, {\left (\sqrt {2} \cosh \left (b x + a\right )^{5} - 2 \, \sqrt {2} \cosh \left (b x + a\right )^{3} + \sqrt {2} \cosh \left (b x + a\right )\right )} \sinh \left (b x + a\right ) - \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 (3 \, \cosh \left (b x + a\right )^{6} + 18 \, \cosh \left (b x + a\right ) \sinh \left (b x + a\right )^{5} + 3 \, \sinh \left (b x + a\right )^{6} + {\left (45 \, \cosh \left (b x + a\right )^{2} - 8\right )} \sinh \left (b x + a\right )^{4} - 8 \, \cosh \left (b x + a\right )^{4} + 4 \, {\left (15 \, \cosh \left (b x + a\right )^{3} - 8 \, \cosh \left (b x + a\right )\right )} \sinh \left (b x + a\right )^{3} + {\left (45 \, \cosh \left (b x + a\right )^{4} - 48 \, \cosh \left (b x + a\right )^{2} + 1\right )} \sinh \left (b x + a\right )^{2} + \cosh \left (b x + a\right )^{2} + 2 \, {\left (9 \, \cosh \left (b x + a\right )^{5} - 16 \, \cosh \left (b x + a\right )^{3} + \cosh \left (b x + a\right )\right )} \sinh \left (b x + a\right )\right )} \sqrt {\sinh \left (b x + a\right )}\right )}}{5 \, {\left (b \cosh \left (b x + a\right )^{6} + 6 \, b \cosh \left (b x + a\right ) \sinh \left (b x + a\right )^{5} + b \sinh \left (b x + a\right )^{6} - 3 \, b \cosh \left (b x + a\right )^{4} + 3 \, {\left (5 \, b \cosh \left (b x + a\right )^{2} - b\right )} \sinh \left (b x + a\right )^{4} + 4 \, {\left (5 \, b \cosh \left (b x + a\right )^{3} - 3 \, b \cosh \left (b x + a\right )\right )} \sinh \left (b x + a\right )^{3} + 3 \, b \cosh \left (b x + a\right )^{2} + 3 \, {\left (5 \, b \cosh \left (b x + a\right )^{4} - 6 \, b \cosh \left (b x + a\right )^{2} + b\right )} \sinh \left (b x + a\right )^{2} + 6 \, {\left (b \cosh \left (b x + a\right )^{5} - 2 \, b \cosh \left (b x + a\right )^{3} + b \cosh \left (b x + a\right )\right )} \sinh \left (b x + a\right ) - b\right )}} \]
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\[ \int \frac {1}{\sinh ^{\frac {7}{2}}(a+b x)} \, dx=\int \frac {1}{\sinh ^{\frac {7}{2}}{\left (a + b x \right )}}\, dx \]
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\[ \int \frac {1}{\sinh ^{\frac {7}{2}}(a+b x)} \, dx=\int { \frac {1}{\sinh \left (b x + a\right )^{\frac {7}{2}}} \,d x } \]
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\[ \int \frac {1}{\sinh ^{\frac {7}{2}}(a+b x)} \, dx=\int { \frac {1}{\sinh \left (b x + a\right )^{\frac {7}{2}}} \,d x } \]
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Timed out. \[ \int \frac {1}{\sinh ^{\frac {7}{2}}(a+b x)} \, dx=\int \frac {1}{{\mathrm {sinh}\left (a+b\,x\right )}^{7/2}} \,d x \]
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