Integrand size = 32, antiderivative size = 22 \[ \int \frac {e^{-4 e^5} \left (-2 e^{4 e^5} x^2-\log (3)\right )}{x^2 \log (5)} \, dx=\frac {-2 x+\frac {e^{-4 e^5} \log (3)}{x}}{\log (5)} \]
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Time = 0.01 (sec) , antiderivative size = 25, normalized size of antiderivative = 1.14, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.062, Rules used = {12, 14} \[ \int \frac {e^{-4 e^5} \left (-2 e^{4 e^5} x^2-\log (3)\right )}{x^2 \log (5)} \, dx=\frac {e^{-4 e^5} \log (3)}{x \log (5)}-\frac {2 x}{\log (5)} \]
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Rule 12
Rule 14
Rubi steps \begin{align*} \text {integral}& = \frac {e^{-4 e^5} \int \frac {-2 e^{4 e^5} x^2-\log (3)}{x^2} \, dx}{\log (5)} \\ & = \frac {e^{-4 e^5} \int \left (-2 e^{4 e^5}-\frac {\log (3)}{x^2}\right ) \, dx}{\log (5)} \\ & = -\frac {2 x}{\log (5)}+\frac {e^{-4 e^5} \log (3)}{x \log (5)} \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.09 \[ \int \frac {e^{-4 e^5} \left (-2 e^{4 e^5} x^2-\log (3)\right )}{x^2 \log (5)} \, dx=-\frac {2 x-\frac {e^{-4 e^5} \log (3)}{x}}{\log (5)} \]
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Time = 0.06 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.09
method | result | size |
risch | \(-\frac {2 x}{\ln \left (5\right )}+\frac {{\mathrm e}^{-4 \,{\mathrm e}^{5}} \ln \left (3\right )}{\ln \left (5\right ) x}\) | \(24\) |
norman | \(\frac {\frac {{\mathrm e}^{-4 \,{\mathrm e}^{5}} \ln \left (3\right )}{\ln \left (5\right )}-\frac {2 x^{2}}{\ln \left (5\right )}}{x}\) | \(27\) |
default | \(\frac {{\mathrm e}^{-4 \,{\mathrm e}^{5}} \left (-2 x \,{\mathrm e}^{4 \,{\mathrm e}^{5}}+\frac {\ln \left (3\right )}{x}\right )}{\ln \left (5\right )}\) | \(28\) |
gosper | \(\frac {\left (-2 x^{2} {\mathrm e}^{4 \,{\mathrm e}^{5}}+\ln \left (3\right )\right ) {\mathrm e}^{-4 \,{\mathrm e}^{5}}}{x \ln \left (5\right )}\) | \(29\) |
parallelrisch | \(\frac {\left (-2 x^{2} {\mathrm e}^{4 \,{\mathrm e}^{5}}+\ln \left (3\right )\right ) {\mathrm e}^{-4 \,{\mathrm e}^{5}}}{x \ln \left (5\right )}\) | \(29\) |
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Time = 0.26 (sec) , antiderivative size = 29, normalized size of antiderivative = 1.32 \[ \int \frac {e^{-4 e^5} \left (-2 e^{4 e^5} x^2-\log (3)\right )}{x^2 \log (5)} \, dx=-\frac {{\left (2 \, x^{2} e^{\left (4 \, e^{5}\right )} - \log \left (3\right )\right )} e^{\left (-4 \, e^{5}\right )}}{x \log \left (5\right )} \]
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Time = 0.05 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.09 \[ \int \frac {e^{-4 e^5} \left (-2 e^{4 e^5} x^2-\log (3)\right )}{x^2 \log (5)} \, dx=\frac {- 2 x e^{4 e^{5}} + \frac {\log {\left (3 \right )}}{x}}{e^{4 e^{5}} \log {\left (5 \right )}} \]
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Time = 0.17 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.23 \[ \int \frac {e^{-4 e^5} \left (-2 e^{4 e^5} x^2-\log (3)\right )}{x^2 \log (5)} \, dx=-\frac {{\left (2 \, x e^{\left (4 \, e^{5}\right )} - \frac {\log \left (3\right )}{x}\right )} e^{\left (-4 \, e^{5}\right )}}{\log \left (5\right )} \]
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Time = 0.26 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.23 \[ \int \frac {e^{-4 e^5} \left (-2 e^{4 e^5} x^2-\log (3)\right )}{x^2 \log (5)} \, dx=-\frac {{\left (2 \, x e^{\left (4 \, e^{5}\right )} - \frac {\log \left (3\right )}{x}\right )} e^{\left (-4 \, e^{5}\right )}}{\log \left (5\right )} \]
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Time = 0.07 (sec) , antiderivative size = 26, normalized size of antiderivative = 1.18 \[ \int \frac {e^{-4 e^5} \left (-2 e^{4 e^5} x^2-\log (3)\right )}{x^2 \log (5)} \, dx=\frac {{\mathrm {e}}^{-4\,{\mathrm {e}}^5}\,\left (\ln \left (3\right )-2\,x^2\,{\mathrm {e}}^{4\,{\mathrm {e}}^5}\right )}{x\,\ln \left (5\right )} \]
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