Integrand size = 55, antiderivative size = 28 \[ \int \frac {e^{-2 x-4 x^2-4 x^4-x^6-\log ^2(x)} \left (-1-2 x-8 x^2-16 x^4-6 x^6-2 \log (x)\right )}{x^2} \, dx=\frac {e^{x-x \left (3+x \left (2+x^2\right )^2\right )-\log ^2(x)}}{x} \]
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Leaf count is larger than twice the leaf count of optimal. \(73\) vs. \(2(28)=56\).
Time = 0.15 (sec) , antiderivative size = 73, normalized size of antiderivative = 2.61, number of steps used = 1, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.018, Rules used = {2326} \[ \int \frac {e^{-2 x-4 x^2-4 x^4-x^6-\log ^2(x)} \left (-1-2 x-8 x^2-16 x^4-6 x^6-2 \log (x)\right )}{x^2} \, dx=\frac {e^{-x^6-4 x^4-4 x^2-2 x-\log ^2(x)} \left (3 x^6+8 x^4+4 x^2+x+\log (x)\right )}{x^2 \left (3 x^5+8 x^3+4 x+\frac {\log (x)}{x}+1\right )} \]
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Rule 2326
Rubi steps \begin{align*} \text {integral}& = \frac {e^{-2 x-4 x^2-4 x^4-x^6-\log ^2(x)} \left (x+4 x^2+8 x^4+3 x^6+\log (x)\right )}{x^2 \left (1+4 x+8 x^3+3 x^5+\frac {\log (x)}{x}\right )} \\ \end{align*}
Time = 0.15 (sec) , antiderivative size = 29, normalized size of antiderivative = 1.04 \[ \int \frac {e^{-2 x-4 x^2-4 x^4-x^6-\log ^2(x)} \left (-1-2 x-8 x^2-16 x^4-6 x^6-2 \log (x)\right )}{x^2} \, dx=\frac {e^{-x \left (2+4 x+4 x^3+x^5\right )-\log ^2(x)}}{x} \]
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Time = 0.44 (sec) , antiderivative size = 31, normalized size of antiderivative = 1.11
method | result | size |
risch | \(\frac {{\mathrm e}^{-\ln \left (x \right )^{2}-x^{6}-4 x^{4}-4 x^{2}-2 x}}{x}\) | \(31\) |
parallelrisch | \(\frac {{\mathrm e}^{-\ln \left (x \right )^{2}-x^{6}-4 x^{4}-4 x^{2}-2 x}}{x}\) | \(31\) |
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Time = 0.24 (sec) , antiderivative size = 30, normalized size of antiderivative = 1.07 \[ \int \frac {e^{-2 x-4 x^2-4 x^4-x^6-\log ^2(x)} \left (-1-2 x-8 x^2-16 x^4-6 x^6-2 \log (x)\right )}{x^2} \, dx=\frac {e^{\left (-x^{6} - 4 \, x^{4} - 4 \, x^{2} - \log \left (x\right )^{2} - 2 \, x\right )}}{x} \]
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Time = 0.09 (sec) , antiderivative size = 26, normalized size of antiderivative = 0.93 \[ \int \frac {e^{-2 x-4 x^2-4 x^4-x^6-\log ^2(x)} \left (-1-2 x-8 x^2-16 x^4-6 x^6-2 \log (x)\right )}{x^2} \, dx=\frac {e^{- x^{6} - 4 x^{4} - 4 x^{2} - 2 x - \log {\left (x \right )}^{2}}}{x} \]
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Time = 0.30 (sec) , antiderivative size = 30, normalized size of antiderivative = 1.07 \[ \int \frac {e^{-2 x-4 x^2-4 x^4-x^6-\log ^2(x)} \left (-1-2 x-8 x^2-16 x^4-6 x^6-2 \log (x)\right )}{x^2} \, dx=\frac {e^{\left (-x^{6} - 4 \, x^{4} - 4 \, x^{2} - \log \left (x\right )^{2} - 2 \, x\right )}}{x} \]
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Time = 0.26 (sec) , antiderivative size = 30, normalized size of antiderivative = 1.07 \[ \int \frac {e^{-2 x-4 x^2-4 x^4-x^6-\log ^2(x)} \left (-1-2 x-8 x^2-16 x^4-6 x^6-2 \log (x)\right )}{x^2} \, dx=\frac {e^{\left (-x^{6} - 4 \, x^{4} - 4 \, x^{2} - \log \left (x\right )^{2} - 2 \, x\right )}}{x} \]
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Time = 10.67 (sec) , antiderivative size = 33, normalized size of antiderivative = 1.18 \[ \int \frac {e^{-2 x-4 x^2-4 x^4-x^6-\log ^2(x)} \left (-1-2 x-8 x^2-16 x^4-6 x^6-2 \log (x)\right )}{x^2} \, dx=\frac {{\mathrm {e}}^{-{\ln \left (x\right )}^2}\,{\mathrm {e}}^{-2\,x}\,{\mathrm {e}}^{-4\,x^2}\,{\mathrm {e}}^{-x^6}\,{\mathrm {e}}^{-4\,x^4}}{x} \]
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