Integrand size = 89, antiderivative size = 26 \[ \int \frac {e^x+x^2-2 x^3+x^4+\left (-10 x+32 x^2-26 x^3+4 x^4+e^x \left (-5+2 e^2+x\right )+e^2 \left (4 x-12 x^2+8 x^3\right )\right ) \log \left (\frac {1}{2} \left (-5+2 e^2+x\right )\right )}{-5+2 e^2+x} \, dx=\left (e^x+\left (x-x^2\right )^2\right ) \log \left (e^2+\frac {1}{2} (-5+x)\right ) \]
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Leaf count is larger than twice the leaf count of optimal. \(1053\) vs. \(2(26)=52\).
Time = 0.97 (sec) , antiderivative size = 1053, normalized size of antiderivative = 40.50, number of steps used = 42, number of rules used = 13, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.146, Rules used = {6874, 45, 2458, 12, 2388, 2338, 2332, 2465, 2436, 2442, 2437, 2372, 2326} \[ \int \frac {e^x+x^2-2 x^3+x^4+\left (-10 x+32 x^2-26 x^3+4 x^4+e^x \left (-5+2 e^2+x\right )+e^2 \left (4 x-12 x^2+8 x^3\right )\right ) \log \left (\frac {1}{2} \left (-5+2 e^2+x\right )\right )}{-5+2 e^2+x} \, dx=\log \left (\frac {1}{2} \left (x+2 e^2-5\right )\right ) \left (-x-2 e^2+5\right )^4-\frac {1}{4} \left (-x-2 e^2+5\right )^4-\frac {16}{3} \left (5-2 e^2\right ) \log \left (\frac {1}{2} \left (x+2 e^2-5\right )\right ) \left (-x-2 e^2+5\right )^3+\frac {26}{3} \log \left (\frac {1}{2} \left (x+2 e^2-5\right )\right ) \left (-x-2 e^2+5\right )^3+\frac {16}{9} \left (5-2 e^2\right ) \left (-x-2 e^2+5\right )^3-\frac {26}{9} \left (-x-2 e^2+5\right )^3+12 \left (5-2 e^2\right )^2 \log \left (\frac {1}{2} \left (x+2 e^2-5\right )\right ) \left (-x-2 e^2+5\right )^2-39 \left (5-2 e^2\right ) \log \left (\frac {1}{2} \left (x+2 e^2-5\right )\right ) \left (-x-2 e^2+5\right )^2+16 \log \left (\frac {1}{2} \left (x+2 e^2-5\right )\right ) \left (-x-2 e^2+5\right )^2-6 \left (5-2 e^2\right )^2 \left (-x-2 e^2+5\right )^2+\frac {39}{2} \left (5-2 e^2\right ) \left (-x-2 e^2+5\right )^2-8 \left (-x-2 e^2+5\right )^2-8 e^2 \left (18-17 e^2+4 e^4\right ) \log \left (\frac {1}{2} \left (x+2 e^2-5\right )\right ) \left (-x-2 e^2+5\right )-16 \left (5-2 e^2\right )^3 \log \left (\frac {1}{2} \left (x+2 e^2-5\right )\right ) \left (-x-2 e^2+5\right )+78 \left (5-2 e^2\right )^2 \log \left (\frac {1}{2} \left (x+2 e^2-5\right )\right ) \left (-x-2 e^2+5\right )-64 \left (5-2 e^2\right ) \log \left (\frac {1}{2} \left (x+2 e^2-5\right )\right ) \left (-x-2 e^2+5\right )+10 \log \left (\frac {1}{2} \left (x+2 e^2-5\right )\right ) \left (-x-2 e^2+5\right )+\frac {x^4}{4}+\frac {1}{3} \left (5-2 e^2\right ) x^3-\frac {8 e^2 x^3}{9}-\frac {2 x^3}{3}+\frac {1}{2} \left (5-2 e^2\right )^2 x^2-\frac {4}{3} e^2 \left (5-2 e^2\right ) x^2-\left (5-2 e^2\right ) x^2-e^2 \left (7-4 e^2\right ) x^2+\frac {x^2}{2}+4 e^2 \left (90-121 e^2+54 e^4-8 e^6\right ) \log ^2\left (\frac {1}{2} \left (x+2 e^2-5\right )\right )+2 \left (5-2 e^2\right )^4 \log ^2\left (\frac {1}{2} \left (x+2 e^2-5\right )\right )-13 \left (5-2 e^2\right )^3 \log ^2\left (\frac {1}{2} \left (x+2 e^2-5\right )\right )+16 \left (5-2 e^2\right )^2 \log ^2\left (\frac {1}{2} \left (x+2 e^2-5\right )\right )-5 \left (5-2 e^2\right ) \log ^2\left (\frac {1}{2} \left (x+2 e^2-5\right )\right )-8 e^2 \left (18-17 e^2+4 e^4\right ) x-15 \left (5-2 e^2\right )^3 x-\frac {8}{3} e^2 \left (5-2 e^2\right )^2 x+76 \left (5-2 e^2\right )^2 x-2 e^2 \left (7-4 e^2\right ) \left (5-2 e^2\right ) x-63 \left (5-2 e^2\right ) x+10 x+\left (5-2 e^2\right )^4 \log \left (-x-2 e^2+5\right )-\frac {8}{3} e^2 \left (5-2 e^2\right )^3 \log \left (-x-2 e^2+5\right )-2 \left (5-2 e^2\right )^3 \log \left (-x-2 e^2+5\right )-2 e^2 \left (7-4 e^2\right ) \left (5-2 e^2\right )^2 \log \left (-x-2 e^2+5\right )+\left (5-2 e^2\right )^2 \log \left (-x-2 e^2+5\right )+\frac {8}{3} e^2 x^3 \log \left (\frac {x}{2}+\frac {1}{2} \left (-5+2 e^2\right )\right )+2 e^2 \left (7-4 e^2\right ) x^2 \log \left (\frac {x}{2}+\frac {1}{2} \left (-5+2 e^2\right )\right )-\frac {e^x \left (x \log \left (\frac {1}{2} \left (x+2 e^2-5\right )\right )+2 e^2 \log \left (\frac {1}{2} \left (x+2 e^2-5\right )\right )-5 \log \left (x+2 e^2-5\right )+\log (32)\right )}{-x-2 e^2+5} \]
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Rule 12
Rule 45
Rule 2326
Rule 2332
Rule 2338
Rule 2372
Rule 2388
Rule 2436
Rule 2437
Rule 2442
Rule 2458
Rule 2465
Rule 6874
Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {x^2}{-5+2 e^2+x}-\frac {2 x^3}{-5+2 e^2+x}+\frac {x^4}{-5+2 e^2+x}+\frac {10 x \log \left (\frac {1}{2} \left (-5+2 e^2\right )+\frac {x}{2}\right )}{5-2 e^2-x}+\frac {4 e^2 (1-2 x) (-1+x) x \log \left (\frac {1}{2} \left (-5+2 e^2\right )+\frac {x}{2}\right )}{5-2 e^2-x}+\frac {26 x^3 \log \left (\frac {1}{2} \left (-5+2 e^2\right )+\frac {x}{2}\right )}{5-2 e^2-x}+\frac {32 x^2 \log \left (\frac {1}{2} \left (-5+2 e^2\right )+\frac {x}{2}\right )}{-5+2 e^2+x}+\frac {4 x^4 \log \left (\frac {1}{2} \left (-5+2 e^2\right )+\frac {x}{2}\right )}{-5+2 e^2+x}+\frac {e^x \left (1+\log (32)+2 e^2 \log \left (\frac {1}{2} \left (-5+2 e^2+x\right )\right )+x \log \left (\frac {1}{2} \left (-5+2 e^2+x\right )\right )-5 \log \left (-5+2 e^2+x\right )\right )}{-5+2 e^2+x}\right ) \, dx \\ & = -\left (2 \int \frac {x^3}{-5+2 e^2+x} \, dx\right )+4 \int \frac {x^4 \log \left (\frac {1}{2} \left (-5+2 e^2\right )+\frac {x}{2}\right )}{-5+2 e^2+x} \, dx+10 \int \frac {x \log \left (\frac {1}{2} \left (-5+2 e^2\right )+\frac {x}{2}\right )}{5-2 e^2-x} \, dx+26 \int \frac {x^3 \log \left (\frac {1}{2} \left (-5+2 e^2\right )+\frac {x}{2}\right )}{5-2 e^2-x} \, dx+32 \int \frac {x^2 \log \left (\frac {1}{2} \left (-5+2 e^2\right )+\frac {x}{2}\right )}{-5+2 e^2+x} \, dx+\left (4 e^2\right ) \int \frac {(1-2 x) (-1+x) x \log \left (\frac {1}{2} \left (-5+2 e^2\right )+\frac {x}{2}\right )}{5-2 e^2-x} \, dx+\int \frac {x^2}{-5+2 e^2+x} \, dx+\int \frac {x^4}{-5+2 e^2+x} \, dx+\int \frac {e^x \left (1+\log (32)+2 e^2 \log \left (\frac {1}{2} \left (-5+2 e^2+x\right )\right )+x \log \left (\frac {1}{2} \left (-5+2 e^2+x\right )\right )-5 \log \left (-5+2 e^2+x\right )\right )}{-5+2 e^2+x} \, dx \\ & = -\frac {e^x \left (\log (32)+2 e^2 \log \left (\frac {1}{2} \left (-5+2 e^2+x\right )\right )+x \log \left (\frac {1}{2} \left (-5+2 e^2+x\right )\right )-5 \log \left (-5+2 e^2+x\right )\right )}{5-2 e^2-x}-2 \int \left (\left (-5+2 e^2\right )^2-\left (-5+2 e^2\right ) x+x^2-\frac {\left (-5+2 e^2\right )^3}{-5+2 e^2+x}\right ) \, dx+8 \text {Subst}\left (\int \frac {\left (5-2 e^2+2 x\right )^4 \log (x)}{2 x} \, dx,x,\frac {1}{2} \left (-5+2 e^2\right )+\frac {x}{2}\right )+20 \text {Subst}\left (\int -\frac {\left (5-2 e^2+2 x\right ) \log (x)}{2 x} \, dx,x,\frac {1}{2} \left (-5+2 e^2\right )+\frac {x}{2}\right )+52 \text {Subst}\left (\int -\frac {\left (5-2 e^2+2 x\right )^3 \log (x)}{2 x} \, dx,x,\frac {1}{2} \left (-5+2 e^2\right )+\frac {x}{2}\right )+64 \text {Subst}\left (\int \frac {\left (5-2 e^2+2 x\right )^2 \log (x)}{2 x} \, dx,x,\frac {1}{2} \left (-5+2 e^2\right )+\frac {x}{2}\right )+\left (4 e^2\right ) \int \left (2 \left (18-17 e^2+4 e^4\right ) \log \left (\frac {1}{2} \left (-5+2 e^2\right )+\frac {x}{2}\right )-\left (-7+4 e^2\right ) x \log \left (\frac {1}{2} \left (-5+2 e^2\right )+\frac {x}{2}\right )+2 x^2 \log \left (\frac {1}{2} \left (-5+2 e^2\right )+\frac {x}{2}\right )-\frac {2 \left (-90+121 e^2-54 e^4+8 e^6\right ) \log \left (\frac {1}{2} \left (-5+2 e^2\right )+\frac {x}{2}\right )}{-5+2 e^2+x}\right ) \, dx+\int \left (5 \left (1-\frac {2 e^2}{5}\right )+x+\frac {\left (-5+2 e^2\right )^2}{-5+2 e^2+x}\right ) \, dx+\int \left (-\left (-5+2 e^2\right )^3+\left (-5+2 e^2\right )^2 x-\left (-5+2 e^2\right ) x^2+x^3+\frac {\left (-5+2 e^2\right )^4}{-5+2 e^2+x}\right ) \, dx \\ & = \left (5-2 e^2\right ) x-2 \left (5-2 e^2\right )^2 x+\left (5-2 e^2\right )^3 x+\frac {x^2}{2}-\left (5-2 e^2\right ) x^2+\frac {1}{2} \left (5-2 e^2\right )^2 x^2-\frac {2 x^3}{3}+\frac {1}{3} \left (5-2 e^2\right ) x^3+\frac {x^4}{4}+\left (5-2 e^2\right )^2 \log \left (5-2 e^2-x\right )-2 \left (5-2 e^2\right )^3 \log \left (5-2 e^2-x\right )+\left (5-2 e^2\right )^4 \log \left (5-2 e^2-x\right )-\frac {e^x \left (\log (32)+2 e^2 \log \left (\frac {1}{2} \left (-5+2 e^2+x\right )\right )+x \log \left (\frac {1}{2} \left (-5+2 e^2+x\right )\right )-5 \log \left (-5+2 e^2+x\right )\right )}{5-2 e^2-x}+4 \text {Subst}\left (\int \frac {\left (5-2 e^2+2 x\right )^4 \log (x)}{x} \, dx,x,\frac {1}{2} \left (-5+2 e^2\right )+\frac {x}{2}\right )-10 \text {Subst}\left (\int \frac {\left (5-2 e^2+2 x\right ) \log (x)}{x} \, dx,x,\frac {1}{2} \left (-5+2 e^2\right )+\frac {x}{2}\right )-26 \text {Subst}\left (\int \frac {\left (5-2 e^2+2 x\right )^3 \log (x)}{x} \, dx,x,\frac {1}{2} \left (-5+2 e^2\right )+\frac {x}{2}\right )+32 \text {Subst}\left (\int \frac {\left (5-2 e^2+2 x\right )^2 \log (x)}{x} \, dx,x,\frac {1}{2} \left (-5+2 e^2\right )+\frac {x}{2}\right )+\left (8 e^2\right ) \int x^2 \log \left (\frac {1}{2} \left (-5+2 e^2\right )+\frac {x}{2}\right ) \, dx+\left (4 e^2 \left (7-4 e^2\right )\right ) \int x \log \left (\frac {1}{2} \left (-5+2 e^2\right )+\frac {x}{2}\right ) \, dx+\left (8 e^2 \left (18-17 e^2+4 e^4\right )\right ) \int \log \left (\frac {1}{2} \left (-5+2 e^2\right )+\frac {x}{2}\right ) \, dx+\left (8 e^2 \left (90-121 e^2+54 e^4-8 e^6\right )\right ) \int \frac {\log \left (\frac {1}{2} \left (-5+2 e^2\right )+\frac {x}{2}\right )}{-5+2 e^2+x} \, dx \\ & = \text {Too large to display} \\ \end{align*}
Leaf count is larger than twice the leaf count of optimal. \(82\) vs. \(2(26)=52\).
Time = 0.49 (sec) , antiderivative size = 82, normalized size of antiderivative = 3.15 \[ \int \frac {e^x+x^2-2 x^3+x^4+\left (-10 x+32 x^2-26 x^3+4 x^4+e^x \left (-5+2 e^2+x\right )+e^2 \left (4 x-12 x^2+8 x^3\right )\right ) \log \left (\frac {1}{2} \left (-5+2 e^2+x\right )\right )}{-5+2 e^2+x} \, dx=\frac {\left (2 e^{2+x}+e^x x+2 e^2 (-1+x)^2 x^2+(-5+x) (-1+x)^2 x^2\right ) \log \left (\frac {1}{2} \left (-5+2 e^2+x\right )\right )+e^x \left (\log (32)-5 \log \left (-5+2 e^2+x\right )\right )}{-5+2 e^2+x} \]
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Time = 0.67 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.92
method | result | size |
risch | \(\left (x^{4}-2 x^{3}+x^{2}+{\mathrm e}^{x}\right ) \ln \left ({\mathrm e}^{2}+\frac {x}{2}-\frac {5}{2}\right )\) | \(24\) |
norman | \({\mathrm e}^{x} \ln \left ({\mathrm e}^{2}+\frac {x}{2}-\frac {5}{2}\right )+\ln \left ({\mathrm e}^{2}+\frac {x}{2}-\frac {5}{2}\right ) x^{2}+\ln \left ({\mathrm e}^{2}+\frac {x}{2}-\frac {5}{2}\right ) x^{4}-2 \ln \left ({\mathrm e}^{2}+\frac {x}{2}-\frac {5}{2}\right ) x^{3}\) | \(50\) |
parallelrisch | \({\mathrm e}^{x} \ln \left ({\mathrm e}^{2}+\frac {x}{2}-\frac {5}{2}\right )+\ln \left ({\mathrm e}^{2}+\frac {x}{2}-\frac {5}{2}\right ) x^{2}+\ln \left ({\mathrm e}^{2}+\frac {x}{2}-\frac {5}{2}\right ) x^{4}-2 \ln \left ({\mathrm e}^{2}+\frac {x}{2}-\frac {5}{2}\right ) x^{3}\) | \(50\) |
default | \(484 \ln \left ({\mathrm e}^{2}+\frac {x}{2}-\frac {5}{2}\right ) \left ({\mathrm e}^{2}+\frac {x}{2}-\frac {5}{2}\right )^{2}+720 \ln \left ({\mathrm e}^{2}+\frac {x}{2}-\frac {5}{2}\right ) \left ({\mathrm e}^{2}+\frac {x}{2}-\frac {5}{2}\right )+144 \ln \left ({\mathrm e}^{2}+\frac {x}{2}-\frac {5}{2}\right ) \left ({\mathrm e}^{2}+\frac {x}{2}-\frac {5}{2}\right )^{3}+16 \left ({\mathrm e}^{2}+\frac {x}{2}-\frac {5}{2}\right )^{4} \ln \left ({\mathrm e}^{2}+\frac {x}{2}-\frac {5}{2}\right )-24 \,{\mathrm e}^{4} \ln \left ({\mathrm e}^{2}+\frac {x}{2}-\frac {5}{2}\right ) x^{2}-8 \,{\mathrm e}^{2} \ln \left ({\mathrm e}^{2}+\frac {x}{2}-\frac {5}{2}\right ) x^{3}+24 \,{\mathrm e}^{4} \ln \left ({\mathrm e}^{2}+\frac {x}{2}-\frac {5}{2}\right ) x +12 \,{\mathrm e}^{2} \ln \left ({\mathrm e}^{2}+\frac {x}{2}-\frac {5}{2}\right ) x^{2}-4 \,{\mathrm e}^{2} \ln \left ({\mathrm e}^{2}+\frac {x}{2}-\frac {5}{2}\right ) x -32 \,{\mathrm e}^{6} \ln \left ({\mathrm e}^{2}+\frac {x}{2}-\frac {5}{2}\right ) x -304 \,{\mathrm e}^{6}+\frac {100 \,{\mathrm e}^{8}}{3}+1036 \,{\mathrm e}^{4}-\frac {4690 \,{\mathrm e}^{2}}{3}+\frac {3525}{4}+\left (-64 \,{\mathrm e}^{6}+16 \left ({\mathrm e}^{4}\right )^{2}+484 \,{\mathrm e}^{4}-80 \,{\mathrm e}^{2} {\mathrm e}^{4}-720 \,{\mathrm e}^{2}+400\right ) \ln \left (2 \,{\mathrm e}^{2}+x -5\right )-488 \,{\mathrm e}^{4} \ln \left ({\mathrm e}^{2}+\frac {x}{2}-\frac {5}{2}\right )+720 \,{\mathrm e}^{2} \ln \left ({\mathrm e}^{2}+\frac {x}{2}-\frac {5}{2}\right )+{\mathrm e}^{x} \ln \left ({\mathrm e}^{2}+\frac {x}{2}-\frac {5}{2}\right )-32 \,{\mathrm e}^{8} \ln \left ({\mathrm e}^{2}+\frac {x}{2}-\frac {5}{2}\right )+160 \,{\mathrm e}^{6} \ln \left ({\mathrm e}^{2}+\frac {x}{2}-\frac {5}{2}\right )\) | \(299\) |
parts | \(484 \ln \left ({\mathrm e}^{2}+\frac {x}{2}-\frac {5}{2}\right ) \left ({\mathrm e}^{2}+\frac {x}{2}-\frac {5}{2}\right )^{2}+720 \ln \left ({\mathrm e}^{2}+\frac {x}{2}-\frac {5}{2}\right ) \left ({\mathrm e}^{2}+\frac {x}{2}-\frac {5}{2}\right )+144 \ln \left ({\mathrm e}^{2}+\frac {x}{2}-\frac {5}{2}\right ) \left ({\mathrm e}^{2}+\frac {x}{2}-\frac {5}{2}\right )^{3}+16 \left ({\mathrm e}^{2}+\frac {x}{2}-\frac {5}{2}\right )^{4} \ln \left ({\mathrm e}^{2}+\frac {x}{2}-\frac {5}{2}\right )-24 \,{\mathrm e}^{4} \ln \left ({\mathrm e}^{2}+\frac {x}{2}-\frac {5}{2}\right ) x^{2}-8 \,{\mathrm e}^{2} \ln \left ({\mathrm e}^{2}+\frac {x}{2}-\frac {5}{2}\right ) x^{3}+24 \,{\mathrm e}^{4} \ln \left ({\mathrm e}^{2}+\frac {x}{2}-\frac {5}{2}\right ) x +12 \,{\mathrm e}^{2} \ln \left ({\mathrm e}^{2}+\frac {x}{2}-\frac {5}{2}\right ) x^{2}-4 \,{\mathrm e}^{2} \ln \left ({\mathrm e}^{2}+\frac {x}{2}-\frac {5}{2}\right ) x -32 \,{\mathrm e}^{6} \ln \left ({\mathrm e}^{2}+\frac {x}{2}-\frac {5}{2}\right ) x -304 \,{\mathrm e}^{6}+\frac {100 \,{\mathrm e}^{8}}{3}+1036 \,{\mathrm e}^{4}-\frac {4690 \,{\mathrm e}^{2}}{3}+\frac {3525}{4}+\left (-64 \,{\mathrm e}^{6}+16 \left ({\mathrm e}^{4}\right )^{2}+484 \,{\mathrm e}^{4}-80 \,{\mathrm e}^{2} {\mathrm e}^{4}-720 \,{\mathrm e}^{2}+400\right ) \ln \left (2 \,{\mathrm e}^{2}+x -5\right )-488 \,{\mathrm e}^{4} \ln \left ({\mathrm e}^{2}+\frac {x}{2}-\frac {5}{2}\right )+720 \,{\mathrm e}^{2} \ln \left ({\mathrm e}^{2}+\frac {x}{2}-\frac {5}{2}\right )+{\mathrm e}^{x} \ln \left ({\mathrm e}^{2}+\frac {x}{2}-\frac {5}{2}\right )-32 \,{\mathrm e}^{8} \ln \left ({\mathrm e}^{2}+\frac {x}{2}-\frac {5}{2}\right )+160 \,{\mathrm e}^{6} \ln \left ({\mathrm e}^{2}+\frac {x}{2}-\frac {5}{2}\right )\) | \(299\) |
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Time = 0.25 (sec) , antiderivative size = 23, normalized size of antiderivative = 0.88 \[ \int \frac {e^x+x^2-2 x^3+x^4+\left (-10 x+32 x^2-26 x^3+4 x^4+e^x \left (-5+2 e^2+x\right )+e^2 \left (4 x-12 x^2+8 x^3\right )\right ) \log \left (\frac {1}{2} \left (-5+2 e^2+x\right )\right )}{-5+2 e^2+x} \, dx={\left (x^{4} - 2 \, x^{3} + x^{2} + e^{x}\right )} \log \left (\frac {1}{2} \, x + e^{2} - \frac {5}{2}\right ) \]
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Time = 0.21 (sec) , antiderivative size = 37, normalized size of antiderivative = 1.42 \[ \int \frac {e^x+x^2-2 x^3+x^4+\left (-10 x+32 x^2-26 x^3+4 x^4+e^x \left (-5+2 e^2+x\right )+e^2 \left (4 x-12 x^2+8 x^3\right )\right ) \log \left (\frac {1}{2} \left (-5+2 e^2+x\right )\right )}{-5+2 e^2+x} \, dx=\left (x^{4} - 2 x^{3} + x^{2}\right ) \log {\left (\frac {x}{2} - \frac {5}{2} + e^{2} \right )} + e^{x} \log {\left (\frac {x}{2} - \frac {5}{2} + e^{2} \right )} \]
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\[ \int \frac {e^x+x^2-2 x^3+x^4+\left (-10 x+32 x^2-26 x^3+4 x^4+e^x \left (-5+2 e^2+x\right )+e^2 \left (4 x-12 x^2+8 x^3\right )\right ) \log \left (\frac {1}{2} \left (-5+2 e^2+x\right )\right )}{-5+2 e^2+x} \, dx=\int { \frac {x^{4} - 2 \, x^{3} + x^{2} + {\left (4 \, x^{4} - 26 \, x^{3} + 32 \, x^{2} + 4 \, {\left (2 \, x^{3} - 3 \, x^{2} + x\right )} e^{2} + {\left (x + 2 \, e^{2} - 5\right )} e^{x} - 10 \, x\right )} \log \left (\frac {1}{2} \, x + e^{2} - \frac {5}{2}\right ) + e^{x}}{x + 2 \, e^{2} - 5} \,d x } \]
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Leaf count of result is larger than twice the leaf count of optimal. 263 vs. \(2 (21) = 42\).
Time = 0.32 (sec) , antiderivative size = 263, normalized size of antiderivative = 10.12 \[ \int \frac {e^x+x^2-2 x^3+x^4+\left (-10 x+32 x^2-26 x^3+4 x^4+e^x \left (-5+2 e^2+x\right )+e^2 \left (4 x-12 x^2+8 x^3\right )\right ) \log \left (\frac {1}{2} \left (-5+2 e^2+x\right )\right )}{-5+2 e^2+x} \, dx={\left (x + 2 \, e^{2} - 5\right )}^{4} \log \left (\frac {1}{2} \, x + e^{2} - \frac {5}{2}\right ) - 8 \, {\left (x + 2 \, e^{2} - 5\right )}^{3} e^{2} \log \left (\frac {1}{2} \, x + e^{2} - \frac {5}{2}\right ) + 18 \, {\left (x + 2 \, e^{2} - 5\right )}^{3} \log \left (\frac {1}{2} \, x + e^{2} - \frac {5}{2}\right ) + 24 \, {\left (x + 2 \, e^{2} - 5\right )}^{2} e^{4} \log \left (\frac {1}{2} \, x + e^{2} - \frac {5}{2}\right ) - 108 \, {\left (x + 2 \, e^{2} - 5\right )}^{2} e^{2} \log \left (\frac {1}{2} \, x + e^{2} - \frac {5}{2}\right ) + 121 \, {\left (x + 2 \, e^{2} - 5\right )}^{2} \log \left (\frac {1}{2} \, x + e^{2} - \frac {5}{2}\right ) - 32 \, {\left (x + 2 \, e^{2} - 5\right )} e^{6} \log \left (\frac {1}{2} \, x + e^{2} - \frac {5}{2}\right ) + 216 \, {\left (x + 2 \, e^{2} - 5\right )} e^{4} \log \left (\frac {1}{2} \, x + e^{2} - \frac {5}{2}\right ) - 484 \, {\left (x + 2 \, e^{2} - 5\right )} e^{2} \log \left (\frac {1}{2} \, x + e^{2} - \frac {5}{2}\right ) + 360 \, {\left (x + 2 \, e^{2} - 5\right )} \log \left (\frac {1}{2} \, x + e^{2} - \frac {5}{2}\right ) + 16 \, e^{8} \log \left (\frac {1}{2} \, x + e^{2} - \frac {5}{2}\right ) - 144 \, e^{6} \log \left (\frac {1}{2} \, x + e^{2} - \frac {5}{2}\right ) + 484 \, e^{4} \log \left (\frac {1}{2} \, x + e^{2} - \frac {5}{2}\right ) - 720 \, e^{2} \log \left (\frac {1}{2} \, x + e^{2} - \frac {5}{2}\right ) + e^{x} \log \left (\frac {1}{2} \, x + e^{2} - \frac {5}{2}\right ) + 400 \, \log \left (\frac {1}{2} \, x + e^{2} - \frac {5}{2}\right ) \]
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Time = 13.11 (sec) , antiderivative size = 23, normalized size of antiderivative = 0.88 \[ \int \frac {e^x+x^2-2 x^3+x^4+\left (-10 x+32 x^2-26 x^3+4 x^4+e^x \left (-5+2 e^2+x\right )+e^2 \left (4 x-12 x^2+8 x^3\right )\right ) \log \left (\frac {1}{2} \left (-5+2 e^2+x\right )\right )}{-5+2 e^2+x} \, dx=\ln \left (\frac {x}{2}+{\mathrm {e}}^2-\frac {5}{2}\right )\,\left ({\mathrm {e}}^x+x^2-2\,x^3+x^4\right ) \]
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