Integrand size = 45, antiderivative size = 18 \[ \int \frac {e^{\frac {5 e^4+x \log (6-3 x)}{x}} \left (e^4 (10-5 x)+x^2\right )}{-2 x^2+x^3} \, dx=-3+e^{\frac {5 e^4}{x}} (6-3 x) \]
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Time = 0.24 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.94, number of steps used = 4, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.089, Rules used = {1607, 6820, 12, 2326} \[ \int \frac {e^{\frac {5 e^4+x \log (6-3 x)}{x}} \left (e^4 (10-5 x)+x^2\right )}{-2 x^2+x^3} \, dx=3 e^{\frac {5 e^4}{x}} (2-x) \]
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Rule 12
Rule 1607
Rule 2326
Rule 6820
Rubi steps \begin{align*} \text {integral}& = \int \frac {e^{\frac {5 e^4+x \log (6-3 x)}{x}} \left (e^4 (10-5 x)+x^2\right )}{(-2+x) x^2} \, dx \\ & = \int \frac {3 e^{\frac {5 e^4}{x}} \left (-10 e^4+5 e^4 x-x^2\right )}{x^2} \, dx \\ & = 3 \int \frac {e^{\frac {5 e^4}{x}} \left (-10 e^4+5 e^4 x-x^2\right )}{x^2} \, dx \\ & = 3 e^{\frac {5 e^4}{x}} (2-x) \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.83 \[ \int \frac {e^{\frac {5 e^4+x \log (6-3 x)}{x}} \left (e^4 (10-5 x)+x^2\right )}{-2 x^2+x^3} \, dx=-3 e^{\frac {5 e^4}{x}} (-2+x) \]
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Time = 0.65 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.83
method | result | size |
risch | \(\left (-3 x +6\right ) {\mathrm e}^{\frac {5 \,{\mathrm e}^{4}}{x}}\) | \(15\) |
gosper | \({\mathrm e}^{\frac {x \ln \left (-3 x +6\right )+5 \,{\mathrm e}^{4}}{x}}\) | \(19\) |
norman | \({\mathrm e}^{\frac {x \ln \left (-3 x +6\right )+5 \,{\mathrm e}^{4}}{x}}\) | \(19\) |
parallelrisch | \({\mathrm e}^{\frac {x \ln \left (-3 x +6\right )+5 \,{\mathrm e}^{4}}{x}}\) | \(19\) |
default | \(-\frac {3 \,{\mathrm e}^{4} \left (-125 \,{\mathrm e}^{12} \left (-\frac {2 \left ({\mathrm e}^{-8}\right )^{2} \operatorname {Ei}_{1}\left (-\frac {5 \,{\mathrm e}^{4}}{x}\right )}{25}+\frac {{\mathrm e}^{-8} {\mathrm e}^{-4} \left (-\frac {x \,{\mathrm e}^{-4} {\mathrm e}^{\frac {5 \,{\mathrm e}^{4}}{x}}}{5}-\operatorname {Ei}_{1}\left (-\frac {5 \,{\mathrm e}^{4}}{x}\right )\right )}{5}+\frac {2 \left ({\mathrm e}^{-8}\right )^{2} {\mathrm e}^{\frac {5 \,{\mathrm e}^{4}}{2}} \operatorname {Ei}_{1}\left (-\frac {5 \,{\mathrm e}^{4}}{x}+\frac {5 \,{\mathrm e}^{4}}{2}\right )}{25}\right )+50 \,{\mathrm e}^{8} \left (-\frac {{\mathrm e}^{-8} {\mathrm e}^{-4} \operatorname {Ei}_{1}\left (-\frac {5 \,{\mathrm e}^{4}}{x}\right )}{5}+\frac {{\mathrm e}^{-8} {\mathrm e}^{-4} {\mathrm e}^{\frac {5 \,{\mathrm e}^{4}}{2}} \operatorname {Ei}_{1}\left (-\frac {5 \,{\mathrm e}^{4}}{x}+\frac {5 \,{\mathrm e}^{4}}{2}\right )}{5}\right )+125 \,{\mathrm e}^{12} \left (-\frac {{\mathrm e}^{-8} {\mathrm e}^{-4} \operatorname {Ei}_{1}\left (-\frac {5 \,{\mathrm e}^{4}}{x}\right )}{5}+\frac {{\mathrm e}^{-8} {\mathrm e}^{-4} {\mathrm e}^{\frac {5 \,{\mathrm e}^{4}}{2}} \operatorname {Ei}_{1}\left (-\frac {5 \,{\mathrm e}^{4}}{x}+\frac {5 \,{\mathrm e}^{4}}{2}\right )}{5}\right )-50 \,{\mathrm e}^{8} {\mathrm e}^{-8} {\mathrm e}^{\frac {5 \,{\mathrm e}^{4}}{2}} \operatorname {Ei}_{1}\left (-\frac {5 \,{\mathrm e}^{4}}{x}+\frac {5 \,{\mathrm e}^{4}}{2}\right )+20 \,{\mathrm e}^{4} \left (-\frac {{\mathrm e}^{-8} {\mathrm e}^{\frac {5 \,{\mathrm e}^{4}}{x}}}{2}+\frac {5 \,{\mathrm e}^{-4} {\mathrm e}^{\frac {5 \,{\mathrm e}^{4}}{2}} \operatorname {Ei}_{1}\left (-\frac {5 \,{\mathrm e}^{4}}{x}+\frac {5 \,{\mathrm e}^{4}}{2}\right )}{4}\right )\right )}{5}\) | \(261\) |
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Time = 0.24 (sec) , antiderivative size = 18, normalized size of antiderivative = 1.00 \[ \int \frac {e^{\frac {5 e^4+x \log (6-3 x)}{x}} \left (e^4 (10-5 x)+x^2\right )}{-2 x^2+x^3} \, dx=e^{\left (\frac {x \log \left (-3 \, x + 6\right ) + 5 \, e^{4}}{x}\right )} \]
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Time = 11.66 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.83 \[ \int \frac {e^{\frac {5 e^4+x \log (6-3 x)}{x}} \left (e^4 (10-5 x)+x^2\right )}{-2 x^2+x^3} \, dx=e^{\frac {x \log {\left (6 - 3 x \right )} + 5 e^{4}}{x}} \]
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\[ \int \frac {e^{\frac {5 e^4+x \log (6-3 x)}{x}} \left (e^4 (10-5 x)+x^2\right )}{-2 x^2+x^3} \, dx=\int { \frac {{\left (x^{2} - 5 \, {\left (x - 2\right )} e^{4}\right )} e^{\left (\frac {x \log \left (-3 \, x + 6\right ) + 5 \, e^{4}}{x}\right )}}{x^{3} - 2 \, x^{2}} \,d x } \]
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Time = 0.30 (sec) , antiderivative size = 33, normalized size of antiderivative = 1.83 \[ \int \frac {e^{\frac {5 e^4+x \log (6-3 x)}{x}} \left (e^4 (10-5 x)+x^2\right )}{-2 x^2+x^3} \, dx=3 \, x {\left (\frac {2 \, e^{\left (\frac {5 \, e^{4}}{x} + 8\right )}}{x} - e^{\left (\frac {5 \, e^{4}}{x} + 8\right )}\right )} e^{\left (-8\right )} \]
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Timed out. \[ \int \frac {e^{\frac {5 e^4+x \log (6-3 x)}{x}} \left (e^4 (10-5 x)+x^2\right )}{-2 x^2+x^3} \, dx=\int -\frac {{\mathrm {e}}^{\frac {5\,{\mathrm {e}}^4+x\,\ln \left (6-3\,x\right )}{x}}\,\left (x^2-{\mathrm {e}}^4\,\left (5\,x-10\right )\right )}{2\,x^2-x^3} \,d x \]
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