Integrand size = 106, antiderivative size = 29 \[ \int \frac {2 x-3 x^2-20 x^4+e^{2-x} \left (4+9 x+14 x^3-6 x^4\right )+\left (-5 x^2-6 x^4+e^{2-x} \left (2+4 x-3 x^2+4 x^3-2 x^4\right )\right ) \log (x)+\left (-x^2-e^{2-x} x^2\right ) \log ^2(x)}{x^2} \, dx=\left (e^{2-x}-x\right ) (3+\log (x)) \left (-\frac {2}{x}+2 x^2+\log (x)\right ) \]
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\[ \int \frac {2 x-3 x^2-20 x^4+e^{2-x} \left (4+9 x+14 x^3-6 x^4\right )+\left (-5 x^2-6 x^4+e^{2-x} \left (2+4 x-3 x^2+4 x^3-2 x^4\right )\right ) \log (x)+\left (-x^2-e^{2-x} x^2\right ) \log ^2(x)}{x^2} \, dx=\int \frac {2 x-3 x^2-20 x^4+e^{2-x} \left (4+9 x+14 x^3-6 x^4\right )+\left (-5 x^2-6 x^4+e^{2-x} \left (2+4 x-3 x^2+4 x^3-2 x^4\right )\right ) \log (x)+\left (-x^2-e^{2-x} x^2\right ) \log ^2(x)}{x^2} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {2-3 x-20 x^3-5 x \log (x)-6 x^3 \log (x)-x \log ^2(x)}{x}-\frac {e^{2-x} \left (-4-9 x-14 x^3+6 x^4-2 \log (x)-4 x \log (x)+3 x^2 \log (x)-4 x^3 \log (x)+2 x^4 \log (x)+x^2 \log ^2(x)\right )}{x^2}\right ) \, dx \\ & = \int \frac {2-3 x-20 x^3-5 x \log (x)-6 x^3 \log (x)-x \log ^2(x)}{x} \, dx-\int \frac {e^{2-x} \left (-4-9 x-14 x^3+6 x^4-2 \log (x)-4 x \log (x)+3 x^2 \log (x)-4 x^3 \log (x)+2 x^4 \log (x)+x^2 \log ^2(x)\right )}{x^2} \, dx \\ & = \int \left (\frac {2-3 x-20 x^3}{x}-\left (5+6 x^2\right ) \log (x)-\log ^2(x)\right ) \, dx-\int \left (\frac {e^{2-x} \left (-4-9 x-14 x^3+6 x^4\right )}{x^2}+\frac {e^{2-x} \left (-2-4 x+3 x^2-4 x^3+2 x^4\right ) \log (x)}{x^2}+e^{2-x} \log ^2(x)\right ) \, dx \\ & = \int \frac {2-3 x-20 x^3}{x} \, dx-\int \frac {e^{2-x} \left (-4-9 x-14 x^3+6 x^4\right )}{x^2} \, dx-\int \left (5+6 x^2\right ) \log (x) \, dx-\int \frac {e^{2-x} \left (-2-4 x+3 x^2-4 x^3+2 x^4\right ) \log (x)}{x^2} \, dx-\int \log ^2(x) \, dx-\int e^{2-x} \log ^2(x) \, dx \\ & = 3 e^{2-x} \log (x)-\frac {2 e^{2-x} \log (x)}{x}-5 x \log (x)+2 e^{2-x} x^2 \log (x)-2 x^3 \log (x)+2 e^2 \text {Ei}(-x) \log (x)-x \log ^2(x)+2 \int \log (x) \, dx+\int \left (-3+\frac {2}{x}-20 x^2\right ) \, dx+\int \left (5+2 x^2\right ) \, dx-\int \left (-\frac {4 e^{2-x}}{x^2}-\frac {9 e^{2-x}}{x}-14 e^{2-x} x+6 e^{2-x} x^2\right ) \, dx+\int \frac {e^{2-x} \left (2-3 x-2 x^3-2 e^x x \text {Ei}(-x)\right )}{x^2} \, dx-\int e^{2-x} \log ^2(x) \, dx \\ & = -6 x^3+2 \log (x)+3 e^{2-x} \log (x)-\frac {2 e^{2-x} \log (x)}{x}-3 x \log (x)+2 e^{2-x} x^2 \log (x)-2 x^3 \log (x)+2 e^2 \text {Ei}(-x) \log (x)-x \log ^2(x)+4 \int \frac {e^{2-x}}{x^2} \, dx-6 \int e^{2-x} x^2 \, dx+9 \int \frac {e^{2-x}}{x} \, dx+14 \int e^{2-x} x \, dx+\int \left (\frac {e^{2-x} \left (2-3 x-2 x^3\right )}{x^2}-\frac {2 e^2 \text {Ei}(-x)}{x}\right ) \, dx-\int e^{2-x} \log ^2(x) \, dx \\ & = -\frac {4 e^{2-x}}{x}-14 e^{2-x} x+6 e^{2-x} x^2-6 x^3+9 e^2 \text {Ei}(-x)+2 \log (x)+3 e^{2-x} \log (x)-\frac {2 e^{2-x} \log (x)}{x}-3 x \log (x)+2 e^{2-x} x^2 \log (x)-2 x^3 \log (x)+2 e^2 \text {Ei}(-x) \log (x)-x \log ^2(x)-4 \int \frac {e^{2-x}}{x} \, dx-12 \int e^{2-x} x \, dx+14 \int e^{2-x} \, dx-\left (2 e^2\right ) \int \frac {\text {Ei}(-x)}{x} \, dx+\int \frac {e^{2-x} \left (2-3 x-2 x^3\right )}{x^2} \, dx-\int e^{2-x} \log ^2(x) \, dx \\ & = -14 e^{2-x}-\frac {4 e^{2-x}}{x}-2 e^{2-x} x+6 e^{2-x} x^2-6 x^3+5 e^2 \text {Ei}(-x)+2 \log (x)+3 e^{2-x} \log (x)-\frac {2 e^{2-x} \log (x)}{x}-3 x \log (x)+2 e^{2-x} x^2 \log (x)-2 x^3 \log (x)+2 e^2 \text {Ei}(-x) \log (x)-2 e^2 (E_1(x)+\text {Ei}(-x)) \log (x)-x \log ^2(x)-12 \int e^{2-x} \, dx+\left (2 e^2\right ) \int \frac {E_1(x)}{x} \, dx+\int \left (\frac {2 e^{2-x}}{x^2}-\frac {3 e^{2-x}}{x}-2 e^{2-x} x\right ) \, dx-\int e^{2-x} \log ^2(x) \, dx \\ & = -2 e^{2-x}-\frac {4 e^{2-x}}{x}-2 e^{2-x} x+6 e^{2-x} x^2-6 x^3+5 e^2 \text {Ei}(-x)+2 e^2 x \, _3F_3(1,1,1;2,2,2;-x)+2 \log (x)+3 e^{2-x} \log (x)-2 e^2 \gamma \log (x)-\frac {2 e^{2-x} \log (x)}{x}-3 x \log (x)+2 e^{2-x} x^2 \log (x)-2 x^3 \log (x)+2 e^2 \text {Ei}(-x) \log (x)-2 e^2 (E_1(x)+\text {Ei}(-x)) \log (x)-e^2 \log ^2(x)-x \log ^2(x)+2 \int \frac {e^{2-x}}{x^2} \, dx-2 \int e^{2-x} x \, dx-3 \int \frac {e^{2-x}}{x} \, dx-\int e^{2-x} \log ^2(x) \, dx \\ & = -2 e^{2-x}-\frac {6 e^{2-x}}{x}+6 e^{2-x} x^2-6 x^3+2 e^2 \text {Ei}(-x)+2 e^2 x \, _3F_3(1,1,1;2,2,2;-x)+2 \log (x)+3 e^{2-x} \log (x)-2 e^2 \gamma \log (x)-\frac {2 e^{2-x} \log (x)}{x}-3 x \log (x)+2 e^{2-x} x^2 \log (x)-2 x^3 \log (x)+2 e^2 \text {Ei}(-x) \log (x)-2 e^2 (E_1(x)+\text {Ei}(-x)) \log (x)-e^2 \log ^2(x)-x \log ^2(x)-2 \int e^{2-x} \, dx-2 \int \frac {e^{2-x}}{x} \, dx-\int e^{2-x} \log ^2(x) \, dx \\ & = -\frac {6 e^{2-x}}{x}+6 e^{2-x} x^2-6 x^3+2 e^2 x \, _3F_3(1,1,1;2,2,2;-x)+2 \log (x)+3 e^{2-x} \log (x)-2 e^2 \gamma \log (x)-\frac {2 e^{2-x} \log (x)}{x}-3 x \log (x)+2 e^{2-x} x^2 \log (x)-2 x^3 \log (x)+2 e^2 \text {Ei}(-x) \log (x)-2 e^2 (E_1(x)+\text {Ei}(-x)) \log (x)-e^2 \log ^2(x)-x \log ^2(x)-\int e^{2-x} \log ^2(x) \, dx \\ \end{align*}
Leaf count is larger than twice the leaf count of optimal. \(67\) vs. \(2(29)=58\).
Time = 0.09 (sec) , antiderivative size = 67, normalized size of antiderivative = 2.31 \[ \int \frac {2 x-3 x^2-20 x^4+e^{2-x} \left (4+9 x+14 x^3-6 x^4\right )+\left (-5 x^2-6 x^4+e^{2-x} \left (2+4 x-3 x^2+4 x^3-2 x^4\right )\right ) \log (x)+\left (-x^2-e^{2-x} x^2\right ) \log ^2(x)}{x^2} \, dx=\frac {e^{-x} \left (-6 e^x x^4+6 e^2 \left (-1+x^3\right )+\left (e^2-e^x x\right ) \left (-2+3 x+2 x^3\right ) \log (x)+x \left (e^2-e^x x\right ) \log ^2(x)\right )}{x} \]
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Leaf count of result is larger than twice the leaf count of optimal. \(96\) vs. \(2(28)=56\).
Time = 0.13 (sec) , antiderivative size = 97, normalized size of antiderivative = 3.34
method | result | size |
risch | \(\left ({\mathrm e}^{2-x}-x \right ) \ln \left (x \right )^{2}-\frac {\left (2 x^{4}-2 x^{3} {\mathrm e}^{2-x}+3 x^{2}-3 x \,{\mathrm e}^{2-x}+2 \,{\mathrm e}^{2-x}\right ) \ln \left (x \right )}{x}+\frac {-6 x^{4}+6 x^{3} {\mathrm e}^{2-x}+2 x \ln \left (x \right )-6 \,{\mathrm e}^{2-x}}{x}\) | \(97\) |
parallelrisch | \(-\frac {2 x^{4} \ln \left (x \right )-2 \ln \left (x \right ) {\mathrm e}^{2-x} x^{3}+6 x^{4}-6 x^{3} {\mathrm e}^{2-x}+x^{2} \ln \left (x \right )^{2}-\ln \left (x \right )^{2} x \,{\mathrm e}^{2-x}+3 x^{2} \ln \left (x \right )-3 \ln \left (x \right ) {\mathrm e}^{2-x} x -2 x \ln \left (x \right )+2 \,{\mathrm e}^{2-x} \ln \left (x \right )+6 \,{\mathrm e}^{2-x}}{x}\) | \(105\) |
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Leaf count of result is larger than twice the leaf count of optimal. 77 vs. \(2 (29) = 58\).
Time = 0.47 (sec) , antiderivative size = 77, normalized size of antiderivative = 2.66 \[ \int \frac {2 x-3 x^2-20 x^4+e^{2-x} \left (4+9 x+14 x^3-6 x^4\right )+\left (-5 x^2-6 x^4+e^{2-x} \left (2+4 x-3 x^2+4 x^3-2 x^4\right )\right ) \log (x)+\left (-x^2-e^{2-x} x^2\right ) \log ^2(x)}{x^2} \, dx=-\frac {6 \, x^{4} + {\left (x^{2} - x e^{\left (-x + 2\right )}\right )} \log \left (x\right )^{2} - 6 \, {\left (x^{3} - 1\right )} e^{\left (-x + 2\right )} + {\left (2 \, x^{4} + 3 \, x^{2} - {\left (2 \, x^{3} + 3 \, x - 2\right )} e^{\left (-x + 2\right )} - 2 \, x\right )} \log \left (x\right )}{x} \]
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Leaf count of result is larger than twice the leaf count of optimal. 70 vs. \(2 (22) = 44\).
Time = 0.16 (sec) , antiderivative size = 70, normalized size of antiderivative = 2.41 \[ \int \frac {2 x-3 x^2-20 x^4+e^{2-x} \left (4+9 x+14 x^3-6 x^4\right )+\left (-5 x^2-6 x^4+e^{2-x} \left (2+4 x-3 x^2+4 x^3-2 x^4\right )\right ) \log (x)+\left (-x^2-e^{2-x} x^2\right ) \log ^2(x)}{x^2} \, dx=- 6 x^{3} - x \log {\left (x \right )}^{2} + \left (- 2 x^{3} - 3 x\right ) \log {\left (x \right )} + 2 \log {\left (x \right )} + \frac {\left (2 x^{3} \log {\left (x \right )} + 6 x^{3} + x \log {\left (x \right )}^{2} + 3 x \log {\left (x \right )} - 2 \log {\left (x \right )} - 6\right ) e^{2 - x}}{x} \]
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\[ \int \frac {2 x-3 x^2-20 x^4+e^{2-x} \left (4+9 x+14 x^3-6 x^4\right )+\left (-5 x^2-6 x^4+e^{2-x} \left (2+4 x-3 x^2+4 x^3-2 x^4\right )\right ) \log (x)+\left (-x^2-e^{2-x} x^2\right ) \log ^2(x)}{x^2} \, dx=\int { -\frac {20 \, x^{4} + {\left (x^{2} e^{\left (-x + 2\right )} + x^{2}\right )} \log \left (x\right )^{2} + 3 \, x^{2} + {\left (6 \, x^{4} - 14 \, x^{3} - 9 \, x - 4\right )} e^{\left (-x + 2\right )} + {\left (6 \, x^{4} + 5 \, x^{2} + {\left (2 \, x^{4} - 4 \, x^{3} + 3 \, x^{2} - 4 \, x - 2\right )} e^{\left (-x + 2\right )}\right )} \log \left (x\right ) - 2 \, x}{x^{2}} \,d x } \]
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Leaf count of result is larger than twice the leaf count of optimal. 104 vs. \(2 (29) = 58\).
Time = 0.29 (sec) , antiderivative size = 104, normalized size of antiderivative = 3.59 \[ \int \frac {2 x-3 x^2-20 x^4+e^{2-x} \left (4+9 x+14 x^3-6 x^4\right )+\left (-5 x^2-6 x^4+e^{2-x} \left (2+4 x-3 x^2+4 x^3-2 x^4\right )\right ) \log (x)+\left (-x^2-e^{2-x} x^2\right ) \log ^2(x)}{x^2} \, dx=-\frac {2 \, x^{4} \log \left (x\right ) - 2 \, x^{3} e^{\left (-x + 2\right )} \log \left (x\right ) + 6 \, x^{4} - 6 \, x^{3} e^{\left (-x + 2\right )} + x^{2} \log \left (x\right )^{2} - x e^{\left (-x + 2\right )} \log \left (x\right )^{2} + 3 \, x^{2} \log \left (x\right ) - 3 \, x e^{\left (-x + 2\right )} \log \left (x\right ) - 2 \, x \log \left (x\right ) + 2 \, e^{\left (-x + 2\right )} \log \left (x\right ) + 6 \, e^{\left (-x + 2\right )}}{x} \]
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Time = 11.42 (sec) , antiderivative size = 83, normalized size of antiderivative = 2.86 \[ \int \frac {2 x-3 x^2-20 x^4+e^{2-x} \left (4+9 x+14 x^3-6 x^4\right )+\left (-5 x^2-6 x^4+e^{2-x} \left (2+4 x-3 x^2+4 x^3-2 x^4\right )\right ) \log (x)+\left (-x^2-e^{2-x} x^2\right ) \log ^2(x)}{x^2} \, dx=2\,\ln \left (x\right )-{\ln \left (x\right )}^2\,\left (x-{\mathrm {e}}^{2-x}\right )-6\,x^3-\ln \left (x\right )\,\left (3\,x-{\mathrm {e}}^{2-x}\,\left (\frac {2\,x^3+3\,x}{x}-\frac {2}{x}\right )+2\,x^3\right )+\frac {{\mathrm {e}}^{2-x}\,\left (6\,x^3-6\right )}{x} \]
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