Integrand size = 29, antiderivative size = 20 \[ \int -\frac {1}{3} 2^{1+4 x^3} 5^{2-2 x^3} x^2 \log \left (\frac {5}{4}\right ) \, dx=\frac {1}{9} 4^{2 x^3} 5^{2-2 x^3} \]
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Timed out. \[ \int -\frac {1}{3} 2^{1+4 x^3} 5^{2-2 x^3} x^2 \log \left (\frac {5}{4}\right ) \, dx=\text {\$Aborted} \]
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Rubi steps \begin{align*} \text {integral}& = -\left (\frac {1}{3} \log \left (\frac {5}{4}\right ) \int 2^{1+4 x^3} 5^{2-2 x^3} x^2 \, dx\right ) \\ \end{align*}
Time = 0.17 (sec) , antiderivative size = 28, normalized size of antiderivative = 1.40 \[ \int -\frac {1}{3} 2^{1+4 x^3} 5^{2-2 x^3} x^2 \log \left (\frac {5}{4}\right ) \, dx=\frac {16^{x^3} 25^{1-x^3} \log \left (\frac {5}{4}\right )}{3 \log \left (\frac {125}{64}\right )} \]
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Time = 0.06 (sec) , antiderivative size = 12, normalized size of antiderivative = 0.60
method | result | size |
gosper | \(\frac {25 \,{\mathrm e}^{-2 x^{3} \ln \left (\frac {5}{4}\right )}}{9}\) | \(12\) |
derivativedivides | \(\frac {25 \,{\mathrm e}^{-2 x^{3} \ln \left (\frac {5}{4}\right )}}{9}\) | \(12\) |
default | \(\frac {25 \,{\mathrm e}^{-2 x^{3} \ln \left (\frac {5}{4}\right )}}{9}\) | \(12\) |
norman | \(\frac {25 \,{\mathrm e}^{-2 x^{3} \ln \left (\frac {5}{4}\right )}}{9}\) | \(12\) |
parallelrisch | \(\frac {25 \,{\mathrm e}^{-2 x^{3} \ln \left (\frac {5}{4}\right )}}{9}\) | \(12\) |
risch | \(-\frac {\left (-\frac {50 \ln \left (5\right )}{3}+\frac {100 \ln \left (2\right )}{3}\right ) 5^{-2 x^{3}} 4^{2 x^{3}}}{6 \left (\ln \left (5\right )-2 \ln \left (2\right )\right )}\) | \(35\) |
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Time = 0.27 (sec) , antiderivative size = 11, normalized size of antiderivative = 0.55 \[ \int -\frac {1}{3} 2^{1+4 x^3} 5^{2-2 x^3} x^2 \log \left (\frac {5}{4}\right ) \, dx=\frac {25}{9 \, \left (\frac {5}{4}\right )^{2 \, x^{3}}} \]
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Time = 0.07 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.70 \[ \int -\frac {1}{3} 2^{1+4 x^3} 5^{2-2 x^3} x^2 \log \left (\frac {5}{4}\right ) \, dx=\frac {25 e^{- 2 x^{3} \log {\left (\frac {5}{4} \right )}}}{9} \]
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Leaf count of result is larger than twice the leaf count of optimal. 48 vs. \(2 (11) = 22\).
Time = 0.18 (sec) , antiderivative size = 48, normalized size of antiderivative = 2.40 \[ \int -\frac {1}{3} 2^{1+4 x^3} 5^{2-2 x^3} x^2 \log \left (\frac {5}{4}\right ) \, dx=-\frac {5^{2 \, {\left (x^{3} - 1\right )} {\left (\frac {2 \, \log \left (2\right )}{\log \left (5\right )} - 1\right )} + \frac {4 \, \log \left (2\right )}{\log \left (5\right )}} \log \left (\frac {5}{4}\right )}{9 \, {\left (\frac {2 \, \log \left (2\right )}{\log \left (5\right )} - 1\right )} \log \left (5\right )} \]
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Time = 0.28 (sec) , antiderivative size = 22, normalized size of antiderivative = 1.10 \[ \int -\frac {1}{3} 2^{1+4 x^3} 5^{2-2 x^3} x^2 \log \left (\frac {5}{4}\right ) \, dx=\frac {25 \, \log \left (\frac {5}{4}\right )}{9 \, \left (\frac {5}{4}\right )^{2 \, x^{3}} {\left (\log \left (5\right ) - 2 \, \log \left (2\right )\right )}} \]
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Time = 0.07 (sec) , antiderivative size = 11, normalized size of antiderivative = 0.55 \[ \int -\frac {1}{3} 2^{1+4 x^3} 5^{2-2 x^3} x^2 \log \left (\frac {5}{4}\right ) \, dx=\frac {25}{9\,{\left (\frac {5}{4}\right )}^{2\,x^3}} \]
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