Optimal. Leaf size=39 \[ -x+\frac {1}{\log \left (\left (2-\frac {5-\left (2+\frac {x}{3}\right ) x}{x}\right )^2-\log \left (-e^x+x\right )\right )} \]
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Rubi [F] time = 20.00, antiderivative size = 0, normalized size of antiderivative = 0.00, number of steps used = 0, number of rules used = 0, integrand size = 0, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.000, Rules used = {} \begin {gather*} \int \frac {450 x-360 x^2+9 x^3-24 x^4-2 x^5+e^x \left (-450+360 x+15 x^3+2 x^4\right )+\left (-225 x^2+360 x^3-114 x^4-24 x^5-x^6+e^x \left (225 x-360 x^2+114 x^3+24 x^4+x^5\right )+\left (-9 e^x x^3+9 x^4\right ) \log \left (-e^x+x\right )\right ) \log ^2\left (\frac {225-360 x+114 x^2+24 x^3+x^4-9 x^2 \log \left (-e^x+x\right )}{9 x^2}\right )}{\left (225 x^2-360 x^3+114 x^4+24 x^5+x^6+e^x \left (-225 x+360 x^2-114 x^3-24 x^4-x^5\right )+\left (9 e^x x^3-9 x^4\right ) \log \left (-e^x+x\right )\right ) \log ^2\left (\frac {225-360 x+114 x^2+24 x^3+x^4-9 x^2 \log \left (-e^x+x\right )}{9 x^2}\right )} \, dx \end {gather*}
Verification is not applicable to the result.
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\begin {gather*} \begin {aligned} \text {integral} &=\int \frac {-450 x+360 x^2-9 x^3+24 x^4+2 x^5-e^x \left (-450+360 x+15 x^3+2 x^4\right )-\left (e^x-x\right ) x \left (\left (-15+12 x+x^2\right )^2-9 x^2 \log \left (-e^x+x\right )\right ) \log ^2\left (\frac {\left (-15+12 x+x^2\right )^2}{9 x^2}-\log \left (-e^x+x\right )\right )}{\left (e^x-x\right ) x \left (\left (-15+12 x+x^2\right )^2-9 x^2 \log \left (-e^x+x\right )\right ) \log ^2\left (\frac {\left (-15+12 x+x^2\right )^2}{9 x^2}-\log \left (-e^x+x\right )\right )} \, dx\\ &=\int \left (\frac {9 (-1+x) x^2}{\left (e^x-x\right ) \left (225-360 x+114 x^2+24 x^3+x^4-9 x^2 \log \left (-e^x+x\right )\right ) \log ^2\left (\frac {\left (-15+12 x+x^2\right )^2}{9 x^2}-\log \left (-e^x+x\right )\right )}+\frac {450-360 x-15 x^3-2 x^4-225 x \log ^2\left (\frac {\left (-15+12 x+x^2\right )^2}{9 x^2}-\log \left (-e^x+x\right )\right )+360 x^2 \log ^2\left (\frac {\left (-15+12 x+x^2\right )^2}{9 x^2}-\log \left (-e^x+x\right )\right )-114 x^3 \log ^2\left (\frac {\left (-15+12 x+x^2\right )^2}{9 x^2}-\log \left (-e^x+x\right )\right )-24 x^4 \log ^2\left (\frac {\left (-15+12 x+x^2\right )^2}{9 x^2}-\log \left (-e^x+x\right )\right )-x^5 \log ^2\left (\frac {\left (-15+12 x+x^2\right )^2}{9 x^2}-\log \left (-e^x+x\right )\right )+9 x^3 \log \left (-e^x+x\right ) \log ^2\left (\frac {\left (-15+12 x+x^2\right )^2}{9 x^2}-\log \left (-e^x+x\right )\right )}{x \left (225-360 x+114 x^2+24 x^3+x^4-9 x^2 \log \left (-e^x+x\right )\right ) \log ^2\left (\frac {\left (-15+12 x+x^2\right )^2}{9 x^2}-\log \left (-e^x+x\right )\right )}\right ) \, dx\\ &=9 \int \frac {(-1+x) x^2}{\left (e^x-x\right ) \left (225-360 x+114 x^2+24 x^3+x^4-9 x^2 \log \left (-e^x+x\right )\right ) \log ^2\left (\frac {\left (-15+12 x+x^2\right )^2}{9 x^2}-\log \left (-e^x+x\right )\right )} \, dx+\int \frac {450-360 x-15 x^3-2 x^4-225 x \log ^2\left (\frac {\left (-15+12 x+x^2\right )^2}{9 x^2}-\log \left (-e^x+x\right )\right )+360 x^2 \log ^2\left (\frac {\left (-15+12 x+x^2\right )^2}{9 x^2}-\log \left (-e^x+x\right )\right )-114 x^3 \log ^2\left (\frac {\left (-15+12 x+x^2\right )^2}{9 x^2}-\log \left (-e^x+x\right )\right )-24 x^4 \log ^2\left (\frac {\left (-15+12 x+x^2\right )^2}{9 x^2}-\log \left (-e^x+x\right )\right )-x^5 \log ^2\left (\frac {\left (-15+12 x+x^2\right )^2}{9 x^2}-\log \left (-e^x+x\right )\right )+9 x^3 \log \left (-e^x+x\right ) \log ^2\left (\frac {\left (-15+12 x+x^2\right )^2}{9 x^2}-\log \left (-e^x+x\right )\right )}{x \left (225-360 x+114 x^2+24 x^3+x^4-9 x^2 \log \left (-e^x+x\right )\right ) \log ^2\left (\frac {\left (-15+12 x+x^2\right )^2}{9 x^2}-\log \left (-e^x+x\right )\right )} \, dx\\ &=9 \int \left (-\frac {x^2}{\left (e^x-x\right ) \left (225-360 x+114 x^2+24 x^3+x^4-9 x^2 \log \left (-e^x+x\right )\right ) \log ^2\left (\frac {\left (-15+12 x+x^2\right )^2}{9 x^2}-\log \left (-e^x+x\right )\right )}+\frac {x^3}{\left (e^x-x\right ) \left (225-360 x+114 x^2+24 x^3+x^4-9 x^2 \log \left (-e^x+x\right )\right ) \log ^2\left (\frac {\left (-15+12 x+x^2\right )^2}{9 x^2}-\log \left (-e^x+x\right )\right )}\right ) \, dx+\int \frac {450-360 x-15 x^3-2 x^4-x \left (\left (-15+12 x+x^2\right )^2-9 x^2 \log \left (-e^x+x\right )\right ) \log ^2\left (\frac {\left (-15+12 x+x^2\right )^2}{9 x^2}-\log \left (-e^x+x\right )\right )}{x \left (\left (-15+12 x+x^2\right )^2-9 x^2 \log \left (-e^x+x\right )\right ) \log ^2\left (\frac {\left (-15+12 x+x^2\right )^2}{9 x^2}-\log \left (-e^x+x\right )\right )} \, dx\\ &=-\left (9 \int \frac {x^2}{\left (e^x-x\right ) \left (225-360 x+114 x^2+24 x^3+x^4-9 x^2 \log \left (-e^x+x\right )\right ) \log ^2\left (\frac {\left (-15+12 x+x^2\right )^2}{9 x^2}-\log \left (-e^x+x\right )\right )} \, dx\right )+9 \int \frac {x^3}{\left (e^x-x\right ) \left (225-360 x+114 x^2+24 x^3+x^4-9 x^2 \log \left (-e^x+x\right )\right ) \log ^2\left (\frac {\left (-15+12 x+x^2\right )^2}{9 x^2}-\log \left (-e^x+x\right )\right )} \, dx+\int \left (-1+\frac {450-360 x-15 x^3-2 x^4}{x \left (225-360 x+114 x^2+24 x^3+x^4-9 x^2 \log \left (-e^x+x\right )\right ) \log ^2\left (\frac {\left (-15+12 x+x^2\right )^2}{9 x^2}-\log \left (-e^x+x\right )\right )}\right ) \, dx\\ &=-x-9 \int \frac {x^2}{\left (e^x-x\right ) \left (225-360 x+114 x^2+24 x^3+x^4-9 x^2 \log \left (-e^x+x\right )\right ) \log ^2\left (\frac {\left (-15+12 x+x^2\right )^2}{9 x^2}-\log \left (-e^x+x\right )\right )} \, dx+9 \int \frac {x^3}{\left (e^x-x\right ) \left (225-360 x+114 x^2+24 x^3+x^4-9 x^2 \log \left (-e^x+x\right )\right ) \log ^2\left (\frac {\left (-15+12 x+x^2\right )^2}{9 x^2}-\log \left (-e^x+x\right )\right )} \, dx+\int \frac {450-360 x-15 x^3-2 x^4}{x \left (225-360 x+114 x^2+24 x^3+x^4-9 x^2 \log \left (-e^x+x\right )\right ) \log ^2\left (\frac {\left (-15+12 x+x^2\right )^2}{9 x^2}-\log \left (-e^x+x\right )\right )} \, dx\\ &=-x-9 \int \frac {x^2}{\left (e^x-x\right ) \left (225-360 x+114 x^2+24 x^3+x^4-9 x^2 \log \left (-e^x+x\right )\right ) \log ^2\left (\frac {\left (-15+12 x+x^2\right )^2}{9 x^2}-\log \left (-e^x+x\right )\right )} \, dx+9 \int \frac {x^3}{\left (e^x-x\right ) \left (225-360 x+114 x^2+24 x^3+x^4-9 x^2 \log \left (-e^x+x\right )\right ) \log ^2\left (\frac {\left (-15+12 x+x^2\right )^2}{9 x^2}-\log \left (-e^x+x\right )\right )} \, dx+\int \left (-\frac {360}{\left (225-360 x+114 x^2+24 x^3+x^4-9 x^2 \log \left (-e^x+x\right )\right ) \log ^2\left (\frac {\left (-15+12 x+x^2\right )^2}{9 x^2}-\log \left (-e^x+x\right )\right )}+\frac {450}{x \left (225-360 x+114 x^2+24 x^3+x^4-9 x^2 \log \left (-e^x+x\right )\right ) \log ^2\left (\frac {\left (-15+12 x+x^2\right )^2}{9 x^2}-\log \left (-e^x+x\right )\right )}-\frac {15 x^2}{\left (225-360 x+114 x^2+24 x^3+x^4-9 x^2 \log \left (-e^x+x\right )\right ) \log ^2\left (\frac {\left (-15+12 x+x^2\right )^2}{9 x^2}-\log \left (-e^x+x\right )\right )}-\frac {2 x^3}{\left (225-360 x+114 x^2+24 x^3+x^4-9 x^2 \log \left (-e^x+x\right )\right ) \log ^2\left (\frac {\left (-15+12 x+x^2\right )^2}{9 x^2}-\log \left (-e^x+x\right )\right )}\right ) \, dx\\ &=-x-2 \int \frac {x^3}{\left (225-360 x+114 x^2+24 x^3+x^4-9 x^2 \log \left (-e^x+x\right )\right ) \log ^2\left (\frac {\left (-15+12 x+x^2\right )^2}{9 x^2}-\log \left (-e^x+x\right )\right )} \, dx-9 \int \frac {x^2}{\left (e^x-x\right ) \left (225-360 x+114 x^2+24 x^3+x^4-9 x^2 \log \left (-e^x+x\right )\right ) \log ^2\left (\frac {\left (-15+12 x+x^2\right )^2}{9 x^2}-\log \left (-e^x+x\right )\right )} \, dx+9 \int \frac {x^3}{\left (e^x-x\right ) \left (225-360 x+114 x^2+24 x^3+x^4-9 x^2 \log \left (-e^x+x\right )\right ) \log ^2\left (\frac {\left (-15+12 x+x^2\right )^2}{9 x^2}-\log \left (-e^x+x\right )\right )} \, dx-15 \int \frac {x^2}{\left (225-360 x+114 x^2+24 x^3+x^4-9 x^2 \log \left (-e^x+x\right )\right ) \log ^2\left (\frac {\left (-15+12 x+x^2\right )^2}{9 x^2}-\log \left (-e^x+x\right )\right )} \, dx-360 \int \frac {1}{\left (225-360 x+114 x^2+24 x^3+x^4-9 x^2 \log \left (-e^x+x\right )\right ) \log ^2\left (\frac {\left (-15+12 x+x^2\right )^2}{9 x^2}-\log \left (-e^x+x\right )\right )} \, dx+450 \int \frac {1}{x \left (225-360 x+114 x^2+24 x^3+x^4-9 x^2 \log \left (-e^x+x\right )\right ) \log ^2\left (\frac {\left (-15+12 x+x^2\right )^2}{9 x^2}-\log \left (-e^x+x\right )\right )} \, dx\\ \end {aligned} \end {gather*}
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Mathematica [A] time = 0.15, size = 35, normalized size = 0.90 \begin {gather*} -x+\frac {1}{\log \left (\frac {\left (-15+12 x+x^2\right )^2}{9 x^2}-\log \left (-e^x+x\right )\right )} \end {gather*}
Antiderivative was successfully verified.
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fricas [B] time = 0.60, size = 80, normalized size = 2.05 \begin {gather*} -\frac {x \log \left (\frac {x^{4} + 24 \, x^{3} - 9 \, x^{2} \log \left (x - e^{x}\right ) + 114 \, x^{2} - 360 \, x + 225}{9 \, x^{2}}\right ) - 1}{\log \left (\frac {x^{4} + 24 \, x^{3} - 9 \, x^{2} \log \left (x - e^{x}\right ) + 114 \, x^{2} - 360 \, x + 225}{9 \, x^{2}}\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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giac [B] time = 13.57, size = 88, normalized size = 2.26 \begin {gather*} -\frac {x \log \left (x^{4} + 24 \, x^{3} - 9 \, x^{2} \log \left (x - e^{x}\right ) + 114 \, x^{2} - 360 \, x + 225\right ) - x \log \left (9 \, x^{2}\right ) - 1}{\log \left (x^{4} + 24 \, x^{3} - 9 \, x^{2} \log \left (x - e^{x}\right ) + 114 \, x^{2} - 360 \, x + 225\right ) - \log \left (9 \, x^{2}\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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maple [C] time = 0.28, size = 331, normalized size = 8.49
method | result | size |
risch | \(-x -\frac {2 i}{\pi \mathrm {csgn}\left (i x \right )^{2} \mathrm {csgn}\left (i x^{2}\right )-2 \pi \,\mathrm {csgn}\left (i x \right ) \mathrm {csgn}\left (i x^{2}\right )^{2}+\pi \mathrm {csgn}\left (i x^{2}\right )^{3}-\pi \,\mathrm {csgn}\left (\frac {i}{x^{2}}\right ) \mathrm {csgn}\left (i \left (225+x^{4}+24 x^{3}+\left (-9 \ln \left (x -{\mathrm e}^{x}\right )+114\right ) x^{2}-360 x \right )\right ) \mathrm {csgn}\left (\frac {i \left (225+x^{4}+24 x^{3}+\left (-9 \ln \left (x -{\mathrm e}^{x}\right )+114\right ) x^{2}-360 x \right )}{x^{2}}\right )+\pi \,\mathrm {csgn}\left (\frac {i}{x^{2}}\right ) \mathrm {csgn}\left (\frac {i \left (225+x^{4}+24 x^{3}+\left (-9 \ln \left (x -{\mathrm e}^{x}\right )+114\right ) x^{2}-360 x \right )}{x^{2}}\right )^{2}+\pi \,\mathrm {csgn}\left (i \left (225+x^{4}+24 x^{3}+\left (-9 \ln \left (x -{\mathrm e}^{x}\right )+114\right ) x^{2}-360 x \right )\right ) \mathrm {csgn}\left (\frac {i \left (225+x^{4}+24 x^{3}+\left (-9 \ln \left (x -{\mathrm e}^{x}\right )+114\right ) x^{2}-360 x \right )}{x^{2}}\right )^{2}-\pi \mathrm {csgn}\left (\frac {i \left (225+x^{4}+24 x^{3}+\left (-9 \ln \left (x -{\mathrm e}^{x}\right )+114\right ) x^{2}-360 x \right )}{x^{2}}\right )^{3}+4 i \ln \relax (3)+4 i \ln \relax (x )-2 i \ln \left (225+x^{4}+24 x^{3}+\left (-9 \ln \left (x -{\mathrm e}^{x}\right )+114\right ) x^{2}-360 x \right )}\) | \(331\) |
Verification of antiderivative is not currently implemented for this CAS.
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maxima [B] time = 0.84, size = 92, normalized size = 2.36 \begin {gather*} -\frac {2 \, x \log \relax (3) - x \log \left (x^{4} + 24 \, x^{3} - 9 \, x^{2} \log \left (x - e^{x}\right ) + 114 \, x^{2} - 360 \, x + 225\right ) + 2 \, x \log \relax (x) + 1}{2 \, \log \relax (3) - \log \left (x^{4} + 24 \, x^{3} - 9 \, x^{2} \log \left (x - e^{x}\right ) + 114 \, x^{2} - 360 \, x + 225\right ) + 2 \, \log \relax (x)} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.63, size = 42, normalized size = 1.08 \begin {gather*} \frac {1}{\ln \left (\frac {114\,x^2-9\,x^2\,\ln \left (x-{\mathrm {e}}^x\right )-360\,x+24\,x^3+x^4+225}{9\,x^2}\right )}-x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 130.08, size = 41, normalized size = 1.05 \begin {gather*} - x + \frac {1}{\log {\left (\frac {\frac {x^{4}}{9} + \frac {8 x^{3}}{3} - x^{2} \log {\left (x - e^{x} \right )} + \frac {38 x^{2}}{3} - 40 x + 25}{x^{2}} \right )}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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