Integrand size = 9, antiderivative size = 13 \[ \int \sqrt {\sinh (x) \tanh (x)} \, dx=2 \coth (x) \sqrt {\sinh (x) \tanh (x)} \]
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Time = 0.04 (sec) , antiderivative size = 13, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.333, Rules used = {4483, 4485, 2669} \[ \int \sqrt {\sinh (x) \tanh (x)} \, dx=2 \coth (x) \sqrt {\sinh (x) \tanh (x)} \]
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Rule 2669
Rule 4483
Rule 4485
Rubi steps \begin{align*} \text {integral}& = \frac {\sqrt {\sinh (x) \tanh (x)} \int \sqrt {-\sinh (x) \tanh (x)} \, dx}{\sqrt {-\sinh (x) \tanh (x)}} \\ & = \frac {\sqrt {\sinh (x) \tanh (x)} \int \sqrt {i \sinh (x)} \sqrt {i \tanh (x)} \, dx}{\sqrt {i \sinh (x)} \sqrt {i \tanh (x)}} \\ & = 2 \coth (x) \sqrt {\sinh (x) \tanh (x)} \\ \end{align*}
Time = 0.11 (sec) , antiderivative size = 13, normalized size of antiderivative = 1.00 \[ \int \sqrt {\sinh (x) \tanh (x)} \, dx=2 \coth (x) \sqrt {\sinh (x) \tanh (x)} \]
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Leaf count of result is larger than twice the leaf count of optimal. \(41\) vs. \(2(11)=22\).
Time = 0.66 (sec) , antiderivative size = 42, normalized size of antiderivative = 3.23
method | result | size |
risch | \(\frac {\sqrt {2}\, \sqrt {\frac {\left ({\mathrm e}^{2 x}-1\right )^{2} {\mathrm e}^{-x}}{1+{\mathrm e}^{2 x}}}\, \left (1+{\mathrm e}^{2 x}\right )}{{\mathrm e}^{2 x}-1}\) | \(42\) |
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Leaf count of result is larger than twice the leaf count of optimal. 53 vs. \(2 (11) = 22\).
Time = 0.25 (sec) , antiderivative size = 53, normalized size of antiderivative = 4.08 \[ \int \sqrt {\sinh (x) \tanh (x)} \, dx=\frac {2 \, \sqrt {\frac {1}{2}} {\left (\cosh \left (x\right )^{2} + 2 \, \cosh \left (x\right ) \sinh \left (x\right ) + \sinh \left (x\right )^{2} + 1\right )}}{\sqrt {\cosh \left (x\right )^{3} + 3 \, \cosh \left (x\right ) \sinh \left (x\right )^{2} + \sinh \left (x\right )^{3} + {\left (3 \, \cosh \left (x\right )^{2} + 1\right )} \sinh \left (x\right ) + \cosh \left (x\right )}} \]
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\[ \int \sqrt {\sinh (x) \tanh (x)} \, dx=\int \sqrt {\sinh {\left (x \right )} \tanh {\left (x \right )}}\, dx \]
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Leaf count of result is larger than twice the leaf count of optimal. 35 vs. \(2 (11) = 22\).
Time = 0.31 (sec) , antiderivative size = 35, normalized size of antiderivative = 2.69 \[ \int \sqrt {\sinh (x) \tanh (x)} \, dx=-\frac {\sqrt {2} e^{\left (\frac {1}{2} \, x\right )}}{\sqrt {e^{\left (-2 \, x\right )} + 1}} - \frac {\sqrt {2} e^{\left (-\frac {3}{2} \, x\right )}}{\sqrt {e^{\left (-2 \, x\right )} + 1}} \]
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\[ \int \sqrt {\sinh (x) \tanh (x)} \, dx=\int { \sqrt {\sinh \left (x\right ) \tanh \left (x\right )} \,d x } \]
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Time = 2.29 (sec) , antiderivative size = 35, normalized size of antiderivative = 2.69 \[ \int \sqrt {\sinh (x) \tanh (x)} \, dx=2\,\mathrm {coth}\left (x\right )\,\sqrt {-\left (\frac {{\mathrm {e}}^{-x}}{2}-\frac {{\mathrm {e}}^x}{2}\right )\,\left ({\mathrm {e}}^{2\,x}-1\right )}\,\sqrt {\frac {1}{{\mathrm {e}}^{2\,x}+1}} \]
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