Integrand size = 8, antiderivative size = 8 \[ \int \frac {\cosh \left (\frac {1}{x^5}\right )}{x^6} \, dx=-\frac {1}{5} \sinh \left (\frac {1}{x^5}\right ) \]
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Time = 0.01 (sec) , antiderivative size = 8, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.250, Rules used = {5429, 2717} \[ \int \frac {\cosh \left (\frac {1}{x^5}\right )}{x^6} \, dx=-\frac {1}{5} \sinh \left (\frac {1}{x^5}\right ) \]
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Rule 2717
Rule 5429
Rubi steps \begin{align*} \text {integral}& = -\left (\frac {1}{5} \text {Subst}\left (\int \cosh (x) \, dx,x,\frac {1}{x^5}\right )\right ) \\ & = -\frac {1}{5} \sinh \left (\frac {1}{x^5}\right ) \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 8, normalized size of antiderivative = 1.00 \[ \int \frac {\cosh \left (\frac {1}{x^5}\right )}{x^6} \, dx=-\frac {1}{5} \sinh \left (\frac {1}{x^5}\right ) \]
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Time = 0.09 (sec) , antiderivative size = 7, normalized size of antiderivative = 0.88
method | result | size |
derivativedivides | \(-\frac {\sinh \left (\frac {1}{x^{5}}\right )}{5}\) | \(7\) |
default | \(-\frac {\sinh \left (\frac {1}{x^{5}}\right )}{5}\) | \(7\) |
meijerg | \(-\frac {\sinh \left (\frac {1}{x^{5}}\right )}{5}\) | \(7\) |
parallelrisch | \(-\frac {\sinh \left (\frac {1}{x^{5}}\right )}{5}\) | \(7\) |
risch | \(-\frac {{\mathrm e}^{\frac {1}{x^{5}}}}{10}+\frac {{\mathrm e}^{-\frac {1}{x^{5}}}}{10}\) | \(16\) |
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none
Time = 0.24 (sec) , antiderivative size = 6, normalized size of antiderivative = 0.75 \[ \int \frac {\cosh \left (\frac {1}{x^5}\right )}{x^6} \, dx=-\frac {1}{5} \, \sinh \left (\frac {1}{x^{5}}\right ) \]
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Time = 2.50 (sec) , antiderivative size = 8, normalized size of antiderivative = 1.00 \[ \int \frac {\cosh \left (\frac {1}{x^5}\right )}{x^6} \, dx=- \frac {\sinh {\left (\frac {1}{x^{5}} \right )}}{5} \]
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none
Time = 0.20 (sec) , antiderivative size = 6, normalized size of antiderivative = 0.75 \[ \int \frac {\cosh \left (\frac {1}{x^5}\right )}{x^6} \, dx=-\frac {1}{5} \, \sinh \left (\frac {1}{x^{5}}\right ) \]
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Leaf count of result is larger than twice the leaf count of optimal. 15 vs. \(2 (6) = 12\).
Time = 0.25 (sec) , antiderivative size = 15, normalized size of antiderivative = 1.88 \[ \int \frac {\cosh \left (\frac {1}{x^5}\right )}{x^6} \, dx=\frac {1}{10} \, e^{\left (-\frac {1}{x^{5}}\right )} - \frac {1}{10} \, e^{\left (\frac {1}{x^{5}}\right )} \]
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Time = 1.56 (sec) , antiderivative size = 15, normalized size of antiderivative = 1.88 \[ \int \frac {\cosh \left (\frac {1}{x^5}\right )}{x^6} \, dx=\frac {{\mathrm {e}}^{-\frac {1}{x^5}}}{10}-\frac {{\mathrm {e}}^{\frac {1}{x^5}}}{10} \]
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