Integrand size = 65, antiderivative size = 21 \[ \int \frac {e^{-16 x+4 x \log (x)} \left (4-96 x-4 x^3-12 x^4+\left (-4+32 x+4 x^4\right ) \log (x)\right )}{1-16 x+64 x^2-2 x^4+16 x^5+x^8} \, dx=\frac {e^{x (-16+4 \log (x))}}{-1+8 x+x^4} \]
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\[ \int \frac {e^{-16 x+4 x \log (x)} \left (4-96 x-4 x^3-12 x^4+\left (-4+32 x+4 x^4\right ) \log (x)\right )}{1-16 x+64 x^2-2 x^4+16 x^5+x^8} \, dx=\int \frac {e^{-16 x+4 x \log (x)} \left (4-96 x-4 x^3-12 x^4+\left (-4+32 x+4 x^4\right ) \log (x)\right )}{1-16 x+64 x^2-2 x^4+16 x^5+x^8} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \frac {e^{4 x (-4+\log (x))} \left (4-96 x-4 x^3-12 x^4+\left (-4+32 x+4 x^4\right ) \log (x)\right )}{\left (1-8 x-x^4\right )^2} \, dx \\ & = \int \left (\frac {4 e^{4 x (-4+\log (x))}}{\left (-1+8 x+x^4\right )^2}-\frac {96 e^{4 x (-4+\log (x))} x}{\left (-1+8 x+x^4\right )^2}-\frac {4 e^{4 x (-4+\log (x))} x^3}{\left (-1+8 x+x^4\right )^2}-\frac {12 e^{4 x (-4+\log (x))} x^4}{\left (-1+8 x+x^4\right )^2}+\frac {4 e^{4 x (-4+\log (x))} \log (x)}{-1+8 x+x^4}\right ) \, dx \\ & = 4 \int \frac {e^{4 x (-4+\log (x))}}{\left (-1+8 x+x^4\right )^2} \, dx-4 \int \frac {e^{4 x (-4+\log (x))} x^3}{\left (-1+8 x+x^4\right )^2} \, dx+4 \int \frac {e^{4 x (-4+\log (x))} \log (x)}{-1+8 x+x^4} \, dx-12 \int \frac {e^{4 x (-4+\log (x))} x^4}{\left (-1+8 x+x^4\right )^2} \, dx-96 \int \frac {e^{4 x (-4+\log (x))} x}{\left (-1+8 x+x^4\right )^2} \, dx \\ & = 4 \int \frac {e^{4 x (-4+\log (x))}}{\left (-1+8 x+x^4\right )^2} \, dx-4 \int \frac {e^{4 x (-4+\log (x))} x^3}{\left (-1+8 x+x^4\right )^2} \, dx+4 \int \frac {e^{4 x (-4+\log (x))} \log (x)}{-1+8 x+x^4} \, dx-12 \int \left (\frac {e^{4 x (-4+\log (x))} (1-8 x)}{\left (-1+8 x+x^4\right )^2}+\frac {e^{4 x (-4+\log (x))}}{-1+8 x+x^4}\right ) \, dx-96 \int \frac {e^{4 x (-4+\log (x))} x}{\left (-1+8 x+x^4\right )^2} \, dx \\ & = 4 \int \frac {e^{4 x (-4+\log (x))}}{\left (-1+8 x+x^4\right )^2} \, dx-4 \int \frac {e^{4 x (-4+\log (x))} x^3}{\left (-1+8 x+x^4\right )^2} \, dx+4 \int \frac {e^{4 x (-4+\log (x))} \log (x)}{-1+8 x+x^4} \, dx-12 \int \frac {e^{4 x (-4+\log (x))} (1-8 x)}{\left (-1+8 x+x^4\right )^2} \, dx-12 \int \frac {e^{4 x (-4+\log (x))}}{-1+8 x+x^4} \, dx-96 \int \frac {e^{4 x (-4+\log (x))} x}{\left (-1+8 x+x^4\right )^2} \, dx \\ & = 4 \int \frac {e^{4 x (-4+\log (x))}}{\left (-1+8 x+x^4\right )^2} \, dx-4 \int \frac {e^{4 x (-4+\log (x))} x^3}{\left (-1+8 x+x^4\right )^2} \, dx+4 \int \frac {e^{4 x (-4+\log (x))} \log (x)}{-1+8 x+x^4} \, dx-12 \int \frac {e^{4 x (-4+\log (x))}}{-1+8 x+x^4} \, dx-12 \int \left (\frac {e^{4 x (-4+\log (x))}}{\left (-1+8 x+x^4\right )^2}-\frac {8 e^{4 x (-4+\log (x))} x}{\left (-1+8 x+x^4\right )^2}\right ) \, dx-96 \int \frac {e^{4 x (-4+\log (x))} x}{\left (-1+8 x+x^4\right )^2} \, dx \\ & = 4 \int \frac {e^{4 x (-4+\log (x))}}{\left (-1+8 x+x^4\right )^2} \, dx-4 \int \frac {e^{4 x (-4+\log (x))} x^3}{\left (-1+8 x+x^4\right )^2} \, dx+4 \int \frac {e^{4 x (-4+\log (x))} \log (x)}{-1+8 x+x^4} \, dx-12 \int \frac {e^{4 x (-4+\log (x))}}{\left (-1+8 x+x^4\right )^2} \, dx-12 \int \frac {e^{4 x (-4+\log (x))}}{-1+8 x+x^4} \, dx \\ \end{align*}
Time = 2.60 (sec) , antiderivative size = 21, normalized size of antiderivative = 1.00 \[ \int \frac {e^{-16 x+4 x \log (x)} \left (4-96 x-4 x^3-12 x^4+\left (-4+32 x+4 x^4\right ) \log (x)\right )}{1-16 x+64 x^2-2 x^4+16 x^5+x^8} \, dx=\frac {e^{-16 x} x^{4 x}}{-1+8 x+x^4} \]
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Time = 0.68 (sec) , antiderivative size = 21, normalized size of antiderivative = 1.00
method | result | size |
risch | \(\frac {x^{4 x} {\mathrm e}^{-16 x}}{x^{4}+8 x -1}\) | \(21\) |
parallelrisch | \(\frac {{\mathrm e}^{4 x \ln \left (x \right )-16 x}}{x^{4}+8 x -1}\) | \(22\) |
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Time = 0.23 (sec) , antiderivative size = 21, normalized size of antiderivative = 1.00 \[ \int \frac {e^{-16 x+4 x \log (x)} \left (4-96 x-4 x^3-12 x^4+\left (-4+32 x+4 x^4\right ) \log (x)\right )}{1-16 x+64 x^2-2 x^4+16 x^5+x^8} \, dx=\frac {e^{\left (4 \, x \log \left (x\right ) - 16 \, x\right )}}{x^{4} + 8 \, x - 1} \]
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Time = 0.09 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.90 \[ \int \frac {e^{-16 x+4 x \log (x)} \left (4-96 x-4 x^3-12 x^4+\left (-4+32 x+4 x^4\right ) \log (x)\right )}{1-16 x+64 x^2-2 x^4+16 x^5+x^8} \, dx=\frac {e^{4 x \log {\left (x \right )} - 16 x}}{x^{4} + 8 x - 1} \]
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Time = 0.21 (sec) , antiderivative size = 21, normalized size of antiderivative = 1.00 \[ \int \frac {e^{-16 x+4 x \log (x)} \left (4-96 x-4 x^3-12 x^4+\left (-4+32 x+4 x^4\right ) \log (x)\right )}{1-16 x+64 x^2-2 x^4+16 x^5+x^8} \, dx=\frac {e^{\left (4 \, x \log \left (x\right ) - 16 \, x\right )}}{x^{4} + 8 \, x - 1} \]
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\[ \int \frac {e^{-16 x+4 x \log (x)} \left (4-96 x-4 x^3-12 x^4+\left (-4+32 x+4 x^4\right ) \log (x)\right )}{1-16 x+64 x^2-2 x^4+16 x^5+x^8} \, dx=\int { -\frac {4 \, {\left (3 \, x^{4} + x^{3} - {\left (x^{4} + 8 \, x - 1\right )} \log \left (x\right ) + 24 \, x - 1\right )} e^{\left (4 \, x \log \left (x\right ) - 16 \, x\right )}}{x^{8} + 16 \, x^{5} - 2 \, x^{4} + 64 \, x^{2} - 16 \, x + 1} \,d x } \]
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Time = 8.65 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.95 \[ \int \frac {e^{-16 x+4 x \log (x)} \left (4-96 x-4 x^3-12 x^4+\left (-4+32 x+4 x^4\right ) \log (x)\right )}{1-16 x+64 x^2-2 x^4+16 x^5+x^8} \, dx=\frac {x^{4\,x}\,{\mathrm {e}}^{-16\,x}}{x^4+8\,x-1} \]
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