Integrand size = 6, antiderivative size = 25 \[ \int \frac {1}{(1+\cosh (x))^2} \, dx=\frac {\sinh (x)}{3 (1+\cosh (x))^2}+\frac {\sinh (x)}{3 (1+\cosh (x))} \]
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Time = 0.02 (sec) , antiderivative size = 25, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.333, Rules used = {2729, 2727} \[ \int \frac {1}{(1+\cosh (x))^2} \, dx=\frac {\sinh (x)}{3 (\cosh (x)+1)}+\frac {\sinh (x)}{3 (\cosh (x)+1)^2} \]
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Rule 2727
Rule 2729
Rubi steps \begin{align*} \text {integral}& = \frac {\sinh (x)}{3 (1+\cosh (x))^2}+\frac {1}{3} \int \frac {1}{1+\cosh (x)} \, dx \\ & = \frac {\sinh (x)}{3 (1+\cosh (x))^2}+\frac {\sinh (x)}{3 (1+\cosh (x))} \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 16, normalized size of antiderivative = 0.64 \[ \int \frac {1}{(1+\cosh (x))^2} \, dx=\frac {(2+\cosh (x)) \sinh (x)}{3 (1+\cosh (x))^2} \]
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Time = 0.06 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.60
method | result | size |
risch | \(-\frac {2 \left (1+3 \,{\mathrm e}^{x}\right )}{3 \left (1+{\mathrm e}^{x}\right )^{3}}\) | \(15\) |
default | \(-\frac {\left (\tanh ^{3}\left (\frac {x}{2}\right )\right )}{6}+\frac {\tanh \left (\frac {x}{2}\right )}{2}\) | \(16\) |
parallelrisch | \(-\frac {\left (\tanh ^{3}\left (\frac {x}{2}\right )\right )}{6}+\frac {\tanh \left (\frac {x}{2}\right )}{2}\) | \(16\) |
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Leaf count of result is larger than twice the leaf count of optimal. 58 vs. \(2 (21) = 42\).
Time = 0.23 (sec) , antiderivative size = 58, normalized size of antiderivative = 2.32 \[ \int \frac {1}{(1+\cosh (x))^2} \, dx=-\frac {2 \, {\left (3 \, \cosh \left (x\right ) + 3 \, \sinh \left (x\right ) + 1\right )}}{3 \, {\left (\cosh \left (x\right )^{3} + 3 \, {\left (\cosh \left (x\right ) + 1\right )} \sinh \left (x\right )^{2} + \sinh \left (x\right )^{3} + 3 \, \cosh \left (x\right )^{2} + 3 \, {\left (\cosh \left (x\right )^{2} + 2 \, \cosh \left (x\right ) + 1\right )} \sinh \left (x\right ) + 3 \, \cosh \left (x\right ) + 1\right )}} \]
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Time = 0.16 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.56 \[ \int \frac {1}{(1+\cosh (x))^2} \, dx=- \frac {\tanh ^{3}{\left (\frac {x}{2} \right )}}{6} + \frac {\tanh {\left (\frac {x}{2} \right )}}{2} \]
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Leaf count of result is larger than twice the leaf count of optimal. 49 vs. \(2 (21) = 42\).
Time = 0.21 (sec) , antiderivative size = 49, normalized size of antiderivative = 1.96 \[ \int \frac {1}{(1+\cosh (x))^2} \, dx=\frac {2 \, e^{\left (-x\right )}}{3 \, e^{\left (-x\right )} + 3 \, e^{\left (-2 \, x\right )} + e^{\left (-3 \, x\right )} + 1} + \frac {2}{3 \, {\left (3 \, e^{\left (-x\right )} + 3 \, e^{\left (-2 \, x\right )} + e^{\left (-3 \, x\right )} + 1\right )}} \]
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none
Time = 0.28 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.56 \[ \int \frac {1}{(1+\cosh (x))^2} \, dx=-\frac {2 \, {\left (3 \, e^{x} + 1\right )}}{3 \, {\left (e^{x} + 1\right )}^{3}} \]
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Time = 0.39 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.56 \[ \int \frac {1}{(1+\cosh (x))^2} \, dx=-\frac {2\,\left (3\,{\mathrm {e}}^x+1\right )}{3\,{\left ({\mathrm {e}}^x+1\right )}^3} \]
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