Integrand size = 75, antiderivative size = 20 \[ \int \frac {e^x \left (1+4 \log (2)+6 \log ^2(2)+4 \log ^3(2)+\log ^4(2)\right )+128 x^7 \log ^8(4)}{e^x \left (1+4 \log (2)+6 \log ^2(2)+4 \log ^3(2)+\log ^4(2)\right )+16 x^8 \log ^8(4)} \, dx=\log \left (e^x+\frac {16 x^8 \log ^8(4)}{(1+\log (2))^4}\right ) \]
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Time = 0.10 (sec) , antiderivative size = 21, normalized size of antiderivative = 1.05, number of steps used = 1, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.013, Rules used = {6816} \[ \int \frac {e^x \left (1+4 \log (2)+6 \log ^2(2)+4 \log ^3(2)+\log ^4(2)\right )+128 x^7 \log ^8(4)}{e^x \left (1+4 \log (2)+6 \log ^2(2)+4 \log ^3(2)+\log ^4(2)\right )+16 x^8 \log ^8(4)} \, dx=\log \left (16 x^8 \log ^8(4)+e^x (1+\log (2))^4\right ) \]
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Rule 6816
Rubi steps \begin{align*} \text {integral}& = \log \left (e^x (1+\log (2))^4+16 x^8 \log ^8(4)\right ) \\ \end{align*}
Time = 1.43 (sec) , antiderivative size = 21, normalized size of antiderivative = 1.05 \[ \int \frac {e^x \left (1+4 \log (2)+6 \log ^2(2)+4 \log ^3(2)+\log ^4(2)\right )+128 x^7 \log ^8(4)}{e^x \left (1+4 \log (2)+6 \log ^2(2)+4 \log ^3(2)+\log ^4(2)\right )+16 x^8 \log ^8(4)} \, dx=\log \left (e^x (1+\log (2))^4+16 x^8 \log ^8(4)\right ) \]
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Time = 0.12 (sec) , antiderivative size = 37, normalized size of antiderivative = 1.85
method | result | size |
derivativedivides | \(\ln \left (\left (\ln \left (2\right )^{4}+4 \ln \left (2\right )^{3}+6 \ln \left (2\right )^{2}+4 \ln \left (2\right )+1\right ) {\mathrm e}^{x}+4096 x^{8} \ln \left (2\right )^{8}\right )\) | \(37\) |
default | \(\ln \left (\left (\ln \left (2\right )^{4}+4 \ln \left (2\right )^{3}+6 \ln \left (2\right )^{2}+4 \ln \left (2\right )+1\right ) {\mathrm e}^{x}+4096 x^{8} \ln \left (2\right )^{8}\right )\) | \(37\) |
risch | \(\ln \left ({\mathrm e}^{x}+\frac {4096 x^{8} \ln \left (2\right )^{8}}{\ln \left (2\right )^{4}+4 \ln \left (2\right )^{3}+6 \ln \left (2\right )^{2}+4 \ln \left (2\right )+1}\right )\) | \(38\) |
norman | \(\ln \left (4096 x^{8} \ln \left (2\right )^{8}+\ln \left (2\right )^{4} {\mathrm e}^{x}+4 \ln \left (2\right )^{3} {\mathrm e}^{x}+6 \ln \left (2\right )^{2} {\mathrm e}^{x}+4 \,{\mathrm e}^{x} \ln \left (2\right )+{\mathrm e}^{x}\right )\) | \(43\) |
parallelrisch | \(\ln \left (\frac {4096 x^{8} \ln \left (2\right )^{8}+\ln \left (2\right )^{4} {\mathrm e}^{x}+4 \ln \left (2\right )^{3} {\mathrm e}^{x}+6 \ln \left (2\right )^{2} {\mathrm e}^{x}+4 \,{\mathrm e}^{x} \ln \left (2\right )+{\mathrm e}^{x}}{4096 \ln \left (2\right )^{8}}\right )\) | \(49\) |
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none
Time = 0.24 (sec) , antiderivative size = 36, normalized size of antiderivative = 1.80 \[ \int \frac {e^x \left (1+4 \log (2)+6 \log ^2(2)+4 \log ^3(2)+\log ^4(2)\right )+128 x^7 \log ^8(4)}{e^x \left (1+4 \log (2)+6 \log ^2(2)+4 \log ^3(2)+\log ^4(2)\right )+16 x^8 \log ^8(4)} \, dx=\log \left (4096 \, x^{8} \log \left (2\right )^{8} + {\left (\log \left (2\right )^{4} + 4 \, \log \left (2\right )^{3} + 6 \, \log \left (2\right )^{2} + 4 \, \log \left (2\right ) + 1\right )} e^{x}\right ) \]
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Time = 0.12 (sec) , antiderivative size = 39, normalized size of antiderivative = 1.95 \[ \int \frac {e^x \left (1+4 \log (2)+6 \log ^2(2)+4 \log ^3(2)+\log ^4(2)\right )+128 x^7 \log ^8(4)}{e^x \left (1+4 \log (2)+6 \log ^2(2)+4 \log ^3(2)+\log ^4(2)\right )+16 x^8 \log ^8(4)} \, dx=\log {\left (\frac {4096 x^{8} \log {\left (2 \right )}^{8}}{\log {\left (2 \right )}^{4} + 1 + 4 \log {\left (2 \right )}^{3} + 4 \log {\left (2 \right )} + 6 \log {\left (2 \right )}^{2}} + e^{x} \right )} \]
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Time = 0.18 (sec) , antiderivative size = 36, normalized size of antiderivative = 1.80 \[ \int \frac {e^x \left (1+4 \log (2)+6 \log ^2(2)+4 \log ^3(2)+\log ^4(2)\right )+128 x^7 \log ^8(4)}{e^x \left (1+4 \log (2)+6 \log ^2(2)+4 \log ^3(2)+\log ^4(2)\right )+16 x^8 \log ^8(4)} \, dx=\log \left (4096 \, x^{8} \log \left (2\right )^{8} + {\left (\log \left (2\right )^{4} + 4 \, \log \left (2\right )^{3} + 6 \, \log \left (2\right )^{2} + 4 \, \log \left (2\right ) + 1\right )} e^{x}\right ) \]
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Leaf count of result is larger than twice the leaf count of optimal. 42 vs. \(2 (19) = 38\).
Time = 0.25 (sec) , antiderivative size = 42, normalized size of antiderivative = 2.10 \[ \int \frac {e^x \left (1+4 \log (2)+6 \log ^2(2)+4 \log ^3(2)+\log ^4(2)\right )+128 x^7 \log ^8(4)}{e^x \left (1+4 \log (2)+6 \log ^2(2)+4 \log ^3(2)+\log ^4(2)\right )+16 x^8 \log ^8(4)} \, dx=\log \left (4096 \, x^{8} \log \left (2\right )^{8} + e^{x} \log \left (2\right )^{4} + 4 \, e^{x} \log \left (2\right )^{3} + 6 \, e^{x} \log \left (2\right )^{2} + 4 \, e^{x} \log \left (2\right ) + e^{x}\right ) \]
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Time = 8.63 (sec) , antiderivative size = 42, normalized size of antiderivative = 2.10 \[ \int \frac {e^x \left (1+4 \log (2)+6 \log ^2(2)+4 \log ^3(2)+\log ^4(2)\right )+128 x^7 \log ^8(4)}{e^x \left (1+4 \log (2)+6 \log ^2(2)+4 \log ^3(2)+\log ^4(2)\right )+16 x^8 \log ^8(4)} \, dx=\ln \left ({\mathrm {e}}^x+4096\,x^8\,{\ln \left (2\right )}^8+6\,{\mathrm {e}}^x\,{\ln \left (2\right )}^2+4\,{\mathrm {e}}^x\,{\ln \left (2\right )}^3+{\mathrm {e}}^x\,{\ln \left (2\right )}^4+4\,{\mathrm {e}}^x\,\ln \left (2\right )\right ) \]
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