Integrand size = 42, antiderivative size = 20 \[ \int \frac {e^{-5+\left (-2 x+x^2\right ) \log (2)} (-6+6 x) \log (2)}{-20+3 e^{-5+\left (-2 x+x^2\right ) \log (2)}} \, dx=3+\log \left (-5+\frac {3}{4} e^{-5+(-2+x) x \log (2)}\right ) \]
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Time = 0.12 (sec) , antiderivative size = 28, normalized size of antiderivative = 1.40, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.048, Rules used = {12, 6816} \[ \int \frac {e^{-5+\left (-2 x+x^2\right ) \log (2)} (-6+6 x) \log (2)}{-20+3 e^{-5+\left (-2 x+x^2\right ) \log (2)}} \, dx=\log \left (-2^{-2 x} \left (3\ 2^{x^2}-5 e^5 2^{2 x+2}\right )\right ) \]
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Rule 12
Rule 6816
Rubi steps \begin{align*} \text {integral}& = \log (2) \int \frac {e^{-5+\left (-2 x+x^2\right ) \log (2)} (-6+6 x)}{-20+3 e^{-5+\left (-2 x+x^2\right ) \log (2)}} \, dx \\ & = \log \left (-2^{-2 x} \left (3\ 2^{x^2}-5\ 2^{2+2 x} e^5\right )\right ) \\ \end{align*}
\[ \int \frac {e^{-5+\left (-2 x+x^2\right ) \log (2)} (-6+6 x) \log (2)}{-20+3 e^{-5+\left (-2 x+x^2\right ) \log (2)}} \, dx=\int \frac {e^{-5+\left (-2 x+x^2\right ) \log (2)} (-6+6 x) \log (2)}{-20+3 e^{-5+\left (-2 x+x^2\right ) \log (2)}} \, dx \]
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Time = 0.24 (sec) , antiderivative size = 16, normalized size of antiderivative = 0.80
method | result | size |
risch | \(\ln \left (2^{\left (-2+x \right ) x} {\mathrm e}^{-5}-\frac {20}{3}\right )+5\) | \(16\) |
parallelrisch | \(\ln \left ({\mathrm e}^{\left (x^{2}-2 x \right ) \ln \left (2\right )-5}-\frac {20}{3}\right )\) | \(17\) |
norman | \(\ln \left (3 \,{\mathrm e}^{\left (x^{2}-2 x \right ) \ln \left (2\right )-5}-20\right )\) | \(19\) |
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Time = 0.26 (sec) , antiderivative size = 18, normalized size of antiderivative = 0.90 \[ \int \frac {e^{-5+\left (-2 x+x^2\right ) \log (2)} (-6+6 x) \log (2)}{-20+3 e^{-5+\left (-2 x+x^2\right ) \log (2)}} \, dx=\log \left (3 \, e^{\left ({\left (x^{2} - 2 \, x\right )} \log \left (2\right ) - 5\right )} - 20\right ) \]
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Time = 0.07 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.85 \[ \int \frac {e^{-5+\left (-2 x+x^2\right ) \log (2)} (-6+6 x) \log (2)}{-20+3 e^{-5+\left (-2 x+x^2\right ) \log (2)}} \, dx=\log {\left (e^{\left (x^{2} - 2 x\right ) \log {\left (2 \right )} - 5} - \frac {20}{3} \right )} \]
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Time = 0.31 (sec) , antiderivative size = 31, normalized size of antiderivative = 1.55 \[ \int \frac {e^{-5+\left (-2 x+x^2\right ) \log (2)} (-6+6 x) \log (2)}{-20+3 e^{-5+\left (-2 x+x^2\right ) \log (2)}} \, dx=-{\left (2 \, x - \frac {\log \left (2^{\left (x^{2}\right )} - \frac {20}{3} \, e^{\left (2 \, x \log \left (2\right ) + 5\right )}\right )}{\log \left (2\right )}\right )} \log \left (2\right ) \]
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Time = 0.28 (sec) , antiderivative size = 20, normalized size of antiderivative = 1.00 \[ \int \frac {e^{-5+\left (-2 x+x^2\right ) \log (2)} (-6+6 x) \log (2)}{-20+3 e^{-5+\left (-2 x+x^2\right ) \log (2)}} \, dx=\log \left ({\left | 3 \, e^{\left (x^{2} \log \left (2\right ) - 2 \, x \log \left (2\right ) - 5\right )} - 20 \right |}\right ) \]
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Time = 16.85 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.20 \[ \int \frac {e^{-5+\left (-2 x+x^2\right ) \log (2)} (-6+6 x) \log (2)}{-20+3 e^{-5+\left (-2 x+x^2\right ) \log (2)}} \, dx=\ln \left (3\,2^{x^2}\,{\mathrm {e}}^{-5}-20\,2^{2\,x}\right )-2\,x\,\ln \left (2\right ) \]
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