Integrand size = 61, antiderivative size = 29 \[ \int \frac {e^{-2+x} \left (20+10 e^{2-x}-20 x+15 x^2+15 x^3+\left (10 x^3+5 x^4\right ) \log (3)-10 e^{2-x} \log (x)\right )}{2 x^2} \, dx=\frac {5 \left (e^{-2+x} \left (-2+\frac {1}{2} x^2 (3+x \log (3))\right )+\log (x)\right )}{x} \]
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Leaf count is larger than twice the leaf count of optimal. \(87\) vs. \(2(29)=58\).
Time = 1.01 (sec) , antiderivative size = 87, normalized size of antiderivative = 3.00, number of steps used = 15, number of rules used = 8, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.131, Rules used = {12, 6874, 2230, 2225, 2208, 2209, 2207, 2340} \[ \int \frac {e^{-2+x} \left (20+10 e^{2-x}-20 x+15 x^2+15 x^3+\left (10 x^3+5 x^4\right ) \log (3)-10 e^{2-x} \log (x)\right )}{2 x^2} \, dx=\frac {5}{2} e^{x-2} x^2 \log (3)+\frac {15 e^{x-2}}{2}-\frac {10 e^{x-2}}{x}+\frac {5}{2} e^{x-2} x (3+\log (9))-5 e^{x-2} x \log (3)-\frac {5}{2} e^{x-2} (3+\log (9))+5 e^{x-2} \log (3)+\frac {5 \log (x)}{x} \]
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Rule 12
Rule 2207
Rule 2208
Rule 2209
Rule 2225
Rule 2230
Rule 2340
Rule 6874
Rubi steps \begin{align*} \text {integral}& = \frac {1}{2} \int \frac {e^{-2+x} \left (20+10 e^{2-x}-20 x+15 x^2+15 x^3+\left (10 x^3+5 x^4\right ) \log (3)-10 e^{2-x} \log (x)\right )}{x^2} \, dx \\ & = \frac {1}{2} \int \left (\frac {5 e^{-2+x} (2+x) \left (2-3 x+3 x^2+x^3 \log (3)\right )}{x^2}-\frac {10 (-1+\log (x))}{x^2}\right ) \, dx \\ & = \frac {5}{2} \int \frac {e^{-2+x} (2+x) \left (2-3 x+3 x^2+x^3 \log (3)\right )}{x^2} \, dx-5 \int \frac {-1+\log (x)}{x^2} \, dx \\ & = \frac {5 \log (x)}{x}+\frac {5}{2} \int \left (3 e^{-2+x}+\frac {4 e^{-2+x}}{x^2}-\frac {4 e^{-2+x}}{x}+e^{-2+x} x^2 \log (3)+e^{-2+x} x (3+\log (9))\right ) \, dx \\ & = \frac {5 \log (x)}{x}+\frac {15}{2} \int e^{-2+x} \, dx+10 \int \frac {e^{-2+x}}{x^2} \, dx-10 \int \frac {e^{-2+x}}{x} \, dx+\frac {1}{2} (5 \log (3)) \int e^{-2+x} x^2 \, dx+\frac {1}{2} (5 (3+\log (9))) \int e^{-2+x} x \, dx \\ & = \frac {15 e^{-2+x}}{2}-\frac {10 e^{-2+x}}{x}-\frac {10 \text {Ei}(x)}{e^2}+\frac {5}{2} e^{-2+x} x^2 \log (3)+\frac {5}{2} e^{-2+x} x (3+\log (9))+\frac {5 \log (x)}{x}+10 \int \frac {e^{-2+x}}{x} \, dx-(5 \log (3)) \int e^{-2+x} x \, dx-\frac {1}{2} (5 (3+\log (9))) \int e^{-2+x} \, dx \\ & = \frac {15 e^{-2+x}}{2}-\frac {10 e^{-2+x}}{x}-5 e^{-2+x} x \log (3)+\frac {5}{2} e^{-2+x} x^2 \log (3)-\frac {5}{2} e^{-2+x} (3+\log (9))+\frac {5}{2} e^{-2+x} x (3+\log (9))+\frac {5 \log (x)}{x}+(5 \log (3)) \int e^{-2+x} \, dx \\ & = \frac {15 e^{-2+x}}{2}-\frac {10 e^{-2+x}}{x}+5 e^{-2+x} \log (3)-5 e^{-2+x} x \log (3)+\frac {5}{2} e^{-2+x} x^2 \log (3)-\frac {5}{2} e^{-2+x} (3+\log (9))+\frac {5}{2} e^{-2+x} x (3+\log (9))+\frac {5 \log (x)}{x} \\ \end{align*}
Time = 0.15 (sec) , antiderivative size = 35, normalized size of antiderivative = 1.21 \[ \int \frac {e^{-2+x} \left (20+10 e^{2-x}-20 x+15 x^2+15 x^3+\left (10 x^3+5 x^4\right ) \log (3)-10 e^{2-x} \log (x)\right )}{2 x^2} \, dx=\frac {5 \left (e^x \left (-4+3 x^2+x^3 \log (3)\right )+2 e^2 \log (x)\right )}{2 e^2 x} \]
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Time = 0.75 (sec) , antiderivative size = 31, normalized size of antiderivative = 1.07
method | result | size |
risch | \(\frac {5 \ln \left (x \right )}{x}+\frac {5 \left (x^{3} \ln \left (3\right )+3 x^{2}-4\right ) {\mathrm e}^{-2+x}}{2 x}\) | \(31\) |
norman | \(\frac {\left (-10+\frac {15 x^{2}}{2}+\frac {5 x^{3} \ln \left (3\right )}{2}+5 \,{\mathrm e}^{2-x} \ln \left (x \right )\right ) {\mathrm e}^{-2+x}}{x}\) | \(37\) |
parallelrisch | \(\frac {\left (5 x^{3} \ln \left (3\right )-20+15 x^{2}+10 \,{\mathrm e}^{2-x} \ln \left (x \right )\right ) {\mathrm e}^{-2+x}}{2 x}\) | \(38\) |
default | \(\frac {5 \ln \left (x \right )}{x}+\frac {5 \ln \left (3\right ) {\mathrm e}^{-2+x} x^{2}}{2}-\frac {10 \,{\mathrm e}^{-2+x}}{x}+\frac {105 \,{\mathrm e}^{-2+x}}{2}-\frac {15 \left (-x +7\right ) {\mathrm e}^{-2+x}}{2}\) | \(46\) |
parts | \(\frac {5 \ln \left (x \right )}{x}+\frac {5 \ln \left (3\right ) {\mathrm e}^{-2+x} x^{2}}{2}-\frac {10 \,{\mathrm e}^{-2+x}}{x}+\frac {105 \,{\mathrm e}^{-2+x}}{2}-\frac {15 \left (-x +7\right ) {\mathrm e}^{-2+x}}{2}\) | \(46\) |
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Time = 0.25 (sec) , antiderivative size = 28, normalized size of antiderivative = 0.97 \[ \int \frac {e^{-2+x} \left (20+10 e^{2-x}-20 x+15 x^2+15 x^3+\left (10 x^3+5 x^4\right ) \log (3)-10 e^{2-x} \log (x)\right )}{2 x^2} \, dx=\frac {5 \, {\left ({\left (x^{3} \log \left (3\right ) + 3 \, x^{2} - 4\right )} e^{\left (x - 2\right )} + 2 \, \log \left (x\right )\right )}}{2 \, x} \]
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Time = 0.15 (sec) , antiderivative size = 29, normalized size of antiderivative = 1.00 \[ \int \frac {e^{-2+x} \left (20+10 e^{2-x}-20 x+15 x^2+15 x^3+\left (10 x^3+5 x^4\right ) \log (3)-10 e^{2-x} \log (x)\right )}{2 x^2} \, dx=\frac {\left (5 x^{3} \log {\left (3 \right )} + 15 x^{2} - 20\right ) e^{x - 2}}{2 x} + \frac {5 \log {\left (x \right )}}{x} \]
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Result contains higher order function than in optimal. Order 4 vs. order 3.
Time = 0.22 (sec) , antiderivative size = 65, normalized size of antiderivative = 2.24 \[ \int \frac {e^{-2+x} \left (20+10 e^{2-x}-20 x+15 x^2+15 x^3+\left (10 x^3+5 x^4\right ) \log (3)-10 e^{2-x} \log (x)\right )}{2 x^2} \, dx=\frac {5}{2} \, {\left (x^{2} - 2 \, x + 2\right )} e^{\left (x - 2\right )} \log \left (3\right ) + 5 \, {\left (x - 1\right )} e^{\left (x - 2\right )} \log \left (3\right ) - 10 \, {\rm Ei}\left (x\right ) e^{\left (-2\right )} + \frac {15}{2} \, {\left (x - 1\right )} e^{\left (x - 2\right )} + 10 \, e^{\left (-2\right )} \Gamma \left (-1, -x\right ) + \frac {5 \, \log \left (x\right )}{x} + \frac {15}{2} \, e^{\left (x - 2\right )} \]
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Time = 0.25 (sec) , antiderivative size = 33, normalized size of antiderivative = 1.14 \[ \int \frac {e^{-2+x} \left (20+10 e^{2-x}-20 x+15 x^2+15 x^3+\left (10 x^3+5 x^4\right ) \log (3)-10 e^{2-x} \log (x)\right )}{2 x^2} \, dx=\frac {5 \, {\left (x^{3} e^{x} \log \left (3\right ) + 3 \, x^{2} e^{x} + 2 \, e^{2} \log \left (x\right ) - 4 \, e^{x}\right )} e^{\left (-2\right )}}{2 \, x} \]
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Time = 9.18 (sec) , antiderivative size = 35, normalized size of antiderivative = 1.21 \[ \int \frac {e^{-2+x} \left (20+10 e^{2-x}-20 x+15 x^2+15 x^3+\left (10 x^3+5 x^4\right ) \log (3)-10 e^{2-x} \log (x)\right )}{2 x^2} \, dx=\frac {15\,x\,{\mathrm {e}}^{x-2}}{2}-\frac {10\,{\mathrm {e}}^{x-2}-5\,\ln \left (x\right )}{x}+\frac {5\,x^2\,{\mathrm {e}}^{x-2}\,\ln \left (3\right )}{2} \]
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