Integrand size = 60, antiderivative size = 21 \[ \int \frac {20 e^{-25+5 x} \log \left (7-2 e^{-25+5 x}\right )}{63-18 e^{-25+5 x}+\left (-7+2 e^{-25+5 x}\right ) \log ^2\left (7-2 e^{-25+5 x}\right )} \, dx=\log \left (4 \left (-9+\log ^2\left (1-2 \left (-3+e^{5 (-5+x)}\right )\right )\right )\right ) \]
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Time = 0.10 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.90, number of steps used = 3, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.083, Rules used = {12, 2320, 6828, 212, 6816} \[ \int \frac {20 e^{-25+5 x} \log \left (7-2 e^{-25+5 x}\right )}{63-18 e^{-25+5 x}+\left (-7+2 e^{-25+5 x}\right ) \log ^2\left (7-2 e^{-25+5 x}\right )} \, dx=\log \left (9-\log ^2\left (7-2 e^{5 x-25}\right )\right ) \]
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Rule 12
Rule 212
Rule 2320
Rule 6816
Rule 6828
Rubi steps \begin{align*} \text {integral}& = 20 \int \frac {e^{-25+5 x} \log \left (7-2 e^{-25+5 x}\right )}{63-18 e^{-25+5 x}+\left (-7+2 e^{-25+5 x}\right ) \log ^2\left (7-2 e^{-25+5 x}\right )} \, dx \\ & = 4 \text {Subst}\left (\int \frac {\log (7-2 x)}{(7-2 x) \left (9-\log ^2(7-2 x)\right )} \, dx,x,e^{-25+5 x}\right ) \\ & = \log \left (9-\log ^2\left (7-2 e^{-25+5 x}\right )\right ) \\ \end{align*}
Time = 0.07 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.90 \[ \int \frac {20 e^{-25+5 x} \log \left (7-2 e^{-25+5 x}\right )}{63-18 e^{-25+5 x}+\left (-7+2 e^{-25+5 x}\right ) \log ^2\left (7-2 e^{-25+5 x}\right )} \, dx=\log \left (9-\log ^2\left (7-2 e^{-25+5 x}\right )\right ) \]
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Time = 0.08 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.81
method | result | size |
derivativedivides | \(\ln \left (\ln \left (-2 \,{\mathrm e}^{5 x -25}+7\right )^{2}-9\right )\) | \(17\) |
default | \(\ln \left (\ln \left (-2 \,{\mathrm e}^{5 x -25}+7\right )^{2}-9\right )\) | \(17\) |
risch | \(\ln \left (\ln \left (-2 \,{\mathrm e}^{5 x -25}+7\right )^{2}-9\right )\) | \(17\) |
norman | \(\ln \left (\ln \left (-2 \,{\mathrm e}^{5 x -25}+7\right )-3\right )+\ln \left (\ln \left (-2 \,{\mathrm e}^{5 x -25}+7\right )+3\right )\) | \(30\) |
parallelrisch | \(\ln \left (\ln \left (-2 \,{\mathrm e}^{5 x -25}+7\right )-3\right )+\ln \left (\ln \left (-2 \,{\mathrm e}^{5 x -25}+7\right )+3\right )\) | \(30\) |
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Time = 0.26 (sec) , antiderivative size = 29, normalized size of antiderivative = 1.38 \[ \int \frac {20 e^{-25+5 x} \log \left (7-2 e^{-25+5 x}\right )}{63-18 e^{-25+5 x}+\left (-7+2 e^{-25+5 x}\right ) \log ^2\left (7-2 e^{-25+5 x}\right )} \, dx=\log \left (\log \left (-2 \, e^{\left (5 \, x - 25\right )} + 7\right ) + 3\right ) + \log \left (\log \left (-2 \, e^{\left (5 \, x - 25\right )} + 7\right ) - 3\right ) \]
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Time = 0.12 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.71 \[ \int \frac {20 e^{-25+5 x} \log \left (7-2 e^{-25+5 x}\right )}{63-18 e^{-25+5 x}+\left (-7+2 e^{-25+5 x}\right ) \log ^2\left (7-2 e^{-25+5 x}\right )} \, dx=\log {\left (\log {\left (7 - 2 e^{5 x - 25} \right )}^{2} - 9 \right )} \]
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Leaf count of result is larger than twice the leaf count of optimal. 104 vs. \(2 (18) = 36\).
Time = 0.21 (sec) , antiderivative size = 104, normalized size of antiderivative = 4.95 \[ \int \frac {20 e^{-25+5 x} \log \left (7-2 e^{-25+5 x}\right )}{63-18 e^{-25+5 x}+\left (-7+2 e^{-25+5 x}\right ) \log ^2\left (7-2 e^{-25+5 x}\right )} \, dx=-\frac {1}{3} \, {\left (\log \left (\log \left (-2 \, e^{\left (5 \, x - 25\right )} + 7\right ) + 3\right ) - \log \left (\log \left (-2 \, e^{\left (5 \, x - 25\right )} + 7\right ) - 3\right )\right )} \log \left (-2 \, e^{\left (5 \, x - 25\right )} + 7\right ) + \frac {1}{3} \, {\left (\log \left (-2 \, e^{\left (5 \, x - 25\right )} + 7\right ) + 3\right )} \log \left (\log \left (-2 \, e^{\left (5 \, x - 25\right )} + 7\right ) + 3\right ) - \frac {1}{3} \, {\left (\log \left (-2 \, e^{\left (5 \, x - 25\right )} + 7\right ) - 3\right )} \log \left (\log \left (-2 \, e^{\left (5 \, x - 25\right )} + 7\right ) - 3\right ) - 2 \]
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Time = 0.39 (sec) , antiderivative size = 16, normalized size of antiderivative = 0.76 \[ \int \frac {20 e^{-25+5 x} \log \left (7-2 e^{-25+5 x}\right )}{63-18 e^{-25+5 x}+\left (-7+2 e^{-25+5 x}\right ) \log ^2\left (7-2 e^{-25+5 x}\right )} \, dx=\log \left (\log \left (-2 \, e^{\left (5 \, x - 25\right )} + 7\right )^{2} - 9\right ) \]
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Time = 11.44 (sec) , antiderivative size = 16, normalized size of antiderivative = 0.76 \[ \int \frac {20 e^{-25+5 x} \log \left (7-2 e^{-25+5 x}\right )}{63-18 e^{-25+5 x}+\left (-7+2 e^{-25+5 x}\right ) \log ^2\left (7-2 e^{-25+5 x}\right )} \, dx=\ln \left ({\ln \left (7-2\,{\mathrm {e}}^{5\,x-25}\right )}^2-9\right ) \]
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