Integrand size = 112, antiderivative size = 28 \[ \int \frac {-7-8 e^{2 x^3}+16 x-8 x^2+(15-16 x) \log ^2(2)-8 \log ^4(2)+e^{x^3} \left (-15+16 x-3 x^3+16 \log ^2(2)\right )}{4+4 e^{2 x^3}-8 x+4 x^2+(-8+8 x) \log ^2(2)+4 \log ^4(2)+e^{x^3} \left (8-8 x-8 \log ^2(2)\right )} \, dx=3-2 x+\frac {x}{4 \left (1+e^{x^3}-x-\log ^2(2)\right )} \]
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\[ \int \frac {-7-8 e^{2 x^3}+16 x-8 x^2+(15-16 x) \log ^2(2)-8 \log ^4(2)+e^{x^3} \left (-15+16 x-3 x^3+16 \log ^2(2)\right )}{4+4 e^{2 x^3}-8 x+4 x^2+(-8+8 x) \log ^2(2)+4 \log ^4(2)+e^{x^3} \left (8-8 x-8 \log ^2(2)\right )} \, dx=\int \frac {-7-8 e^{2 x^3}+16 x-8 x^2+(15-16 x) \log ^2(2)-8 \log ^4(2)+e^{x^3} \left (-15+16 x-3 x^3+16 \log ^2(2)\right )}{4+4 e^{2 x^3}-8 x+4 x^2+(-8+8 x) \log ^2(2)+4 \log ^4(2)+e^{x^3} \left (8-8 x-8 \log ^2(2)\right )} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \frac {-8 e^{2 x^3}+16 x-8 x^2+(15-16 x) \log ^2(2)+e^{x^3} \left (-15+16 x-3 x^3+16 \log ^2(2)\right )-7 \left (1+\frac {8 \log ^4(2)}{7}\right )}{4 \left (1+e^{x^3}-x-\log ^2(2)\right )^2} \, dx \\ & = \frac {1}{4} \int \frac {-8 e^{2 x^3}+16 x-8 x^2+(15-16 x) \log ^2(2)+e^{x^3} \left (-15+16 x-3 x^3+16 \log ^2(2)\right )-7 \left (1+\frac {8 \log ^4(2)}{7}\right )}{\left (1+e^{x^3}-x-\log ^2(2)\right )^2} \, dx \\ & = \frac {1}{4} \int \left (-8+\frac {-1+3 x^3}{-1-e^{x^3}+x+\log ^2(2)}+\frac {x \left (1-3 x^3+3 x^2 \left (1-\log ^2(2)\right )\right )}{\left (1+e^{x^3}-x-\log ^2(2)\right )^2}\right ) \, dx \\ & = -2 x+\frac {1}{4} \int \frac {-1+3 x^3}{-1-e^{x^3}+x+\log ^2(2)} \, dx+\frac {1}{4} \int \frac {x \left (1-3 x^3+3 x^2 \left (1-\log ^2(2)\right )\right )}{\left (1+e^{x^3}-x-\log ^2(2)\right )^2} \, dx \\ & = -2 x+\frac {1}{4} \int \left (\frac {x}{\left (-1-e^{x^3}+x+\log ^2(2)\right )^2}-\frac {3 x^4}{\left (-1-e^{x^3}+x+\log ^2(2)\right )^2}-\frac {3 x^3 (-1+\log (2)) (1+\log (2))}{\left (-1-e^{x^3}+x+\log ^2(2)\right )^2}\right ) \, dx+\frac {1}{4} \int \left (\frac {1}{1+e^{x^3}-x-\log ^2(2)}+\frac {3 x^3}{-1-e^{x^3}+x+\log ^2(2)}\right ) \, dx \\ & = -2 x+\frac {1}{4} \int \frac {1}{1+e^{x^3}-x-\log ^2(2)} \, dx+\frac {1}{4} \int \frac {x}{\left (-1-e^{x^3}+x+\log ^2(2)\right )^2} \, dx-\frac {3}{4} \int \frac {x^4}{\left (-1-e^{x^3}+x+\log ^2(2)\right )^2} \, dx+\frac {3}{4} \int \frac {x^3}{-1-e^{x^3}+x+\log ^2(2)} \, dx-\frac {1}{4} (3 (-1+\log (2)) (1+\log (2))) \int \frac {x^3}{\left (-1-e^{x^3}+x+\log ^2(2)\right )^2} \, dx \\ \end{align*}
Time = 0.38 (sec) , antiderivative size = 28, normalized size of antiderivative = 1.00 \[ \int \frac {-7-8 e^{2 x^3}+16 x-8 x^2+(15-16 x) \log ^2(2)-8 \log ^4(2)+e^{x^3} \left (-15+16 x-3 x^3+16 \log ^2(2)\right )}{4+4 e^{2 x^3}-8 x+4 x^2+(-8+8 x) \log ^2(2)+4 \log ^4(2)+e^{x^3} \left (8-8 x-8 \log ^2(2)\right )} \, dx=\frac {1}{4} \left (-8 x+\frac {x}{1+e^{x^3}-x-\log ^2(2)}\right ) \]
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Time = 0.32 (sec) , antiderivative size = 23, normalized size of antiderivative = 0.82
method | result | size |
risch | \(-2 x -\frac {x}{4 \left (\ln \left (2\right )^{2}+x -{\mathrm e}^{x^{3}}-1\right )}\) | \(23\) |
parallelrisch | \(-\frac {8 x \ln \left (2\right )^{2}+8 x^{2}-8 \,{\mathrm e}^{x^{3}} x -7 x}{4 \left (\ln \left (2\right )^{2}+x -{\mathrm e}^{x^{3}}-1\right )}\) | \(41\) |
norman | \(\frac {\left (\frac {7}{4}-2 \ln \left (2\right )^{2}\right ) {\mathrm e}^{x^{3}}-2 x^{2}+2 \,{\mathrm e}^{x^{3}} x +2 \ln \left (2\right )^{4}-\frac {15 \ln \left (2\right )^{2}}{4}+\frac {7}{4}}{\ln \left (2\right )^{2}+x -{\mathrm e}^{x^{3}}-1}\) | \(56\) |
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Time = 0.27 (sec) , antiderivative size = 40, normalized size of antiderivative = 1.43 \[ \int \frac {-7-8 e^{2 x^3}+16 x-8 x^2+(15-16 x) \log ^2(2)-8 \log ^4(2)+e^{x^3} \left (-15+16 x-3 x^3+16 \log ^2(2)\right )}{4+4 e^{2 x^3}-8 x+4 x^2+(-8+8 x) \log ^2(2)+4 \log ^4(2)+e^{x^3} \left (8-8 x-8 \log ^2(2)\right )} \, dx=-\frac {8 \, x \log \left (2\right )^{2} + 8 \, x^{2} - 8 \, x e^{\left (x^{3}\right )} - 7 \, x}{4 \, {\left (\log \left (2\right )^{2} + x - e^{\left (x^{3}\right )} - 1\right )}} \]
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Time = 0.09 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.79 \[ \int \frac {-7-8 e^{2 x^3}+16 x-8 x^2+(15-16 x) \log ^2(2)-8 \log ^4(2)+e^{x^3} \left (-15+16 x-3 x^3+16 \log ^2(2)\right )}{4+4 e^{2 x^3}-8 x+4 x^2+(-8+8 x) \log ^2(2)+4 \log ^4(2)+e^{x^3} \left (8-8 x-8 \log ^2(2)\right )} \, dx=- 2 x + \frac {x}{- 4 x + 4 e^{x^{3}} - 4 \log {\left (2 \right )}^{2} + 4} \]
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Time = 0.32 (sec) , antiderivative size = 40, normalized size of antiderivative = 1.43 \[ \int \frac {-7-8 e^{2 x^3}+16 x-8 x^2+(15-16 x) \log ^2(2)-8 \log ^4(2)+e^{x^3} \left (-15+16 x-3 x^3+16 \log ^2(2)\right )}{4+4 e^{2 x^3}-8 x+4 x^2+(-8+8 x) \log ^2(2)+4 \log ^4(2)+e^{x^3} \left (8-8 x-8 \log ^2(2)\right )} \, dx=-\frac {{\left (8 \, \log \left (2\right )^{2} - 7\right )} x + 8 \, x^{2} - 8 \, x e^{\left (x^{3}\right )}}{4 \, {\left (\log \left (2\right )^{2} + x - e^{\left (x^{3}\right )} - 1\right )}} \]
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Time = 0.29 (sec) , antiderivative size = 40, normalized size of antiderivative = 1.43 \[ \int \frac {-7-8 e^{2 x^3}+16 x-8 x^2+(15-16 x) \log ^2(2)-8 \log ^4(2)+e^{x^3} \left (-15+16 x-3 x^3+16 \log ^2(2)\right )}{4+4 e^{2 x^3}-8 x+4 x^2+(-8+8 x) \log ^2(2)+4 \log ^4(2)+e^{x^3} \left (8-8 x-8 \log ^2(2)\right )} \, dx=-\frac {8 \, x \log \left (2\right )^{2} + 8 \, x^{2} - 8 \, x e^{\left (x^{3}\right )} - 7 \, x}{4 \, {\left (\log \left (2\right )^{2} + x - e^{\left (x^{3}\right )} - 1\right )}} \]
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Time = 11.12 (sec) , antiderivative size = 39, normalized size of antiderivative = 1.39 \[ \int \frac {-7-8 e^{2 x^3}+16 x-8 x^2+(15-16 x) \log ^2(2)-8 \log ^4(2)+e^{x^3} \left (-15+16 x-3 x^3+16 \log ^2(2)\right )}{4+4 e^{2 x^3}-8 x+4 x^2+(-8+8 x) \log ^2(2)+4 \log ^4(2)+e^{x^3} \left (8-8 x-8 \log ^2(2)\right )} \, dx=-\frac {x\,\left (8\,x-8\,{\mathrm {e}}^{x^3}+8\,{\ln \left (2\right )}^2-7\right )}{4\,\left (x-{\mathrm {e}}^{x^3}+{\ln \left (2\right )}^2-1\right )} \]
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