Optimal. Leaf size=30 \[ e^x \log \left (4+\log ^2(\log (4))+\frac {-4+x}{x (i \pi +\log (\log (4)))}\right ) \]
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Rubi [A] time = 0.68, antiderivative size = 39, normalized size of antiderivative = 1.30, number of steps used = 5, number of rules used = 4, integrand size = 146, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.027, Rules used = {6, 1593, 6688, 2288} \begin {gather*} e^x \log \left (-\frac {4}{x (\log (\log (4))+i \pi )}+4+\log ^2(\log (4))+\frac {1}{\log (\log (4))+i \pi }\right ) \end {gather*}
Antiderivative was successfully verified.
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Rule 6
Rule 1593
Rule 2288
Rule 6688
Rubi steps
\begin {gather*} \begin {aligned} \text {integral} &=\int \frac {4 e^x+\left (e^x \left (-4 x+x^2\right )+4 e^x x^2 (i \pi +\log (\log (4)))+e^x x^2 \log ^2(\log (4)) (i \pi +\log (\log (4)))\right ) \log \left (\frac {-4+x+4 x (i \pi +\log (\log (4)))+x \log ^2(\log (4)) (i \pi +\log (\log (4)))}{x (i \pi +\log (\log (4)))}\right )}{-4 x+x^2 \log ^2(\log (4)) (i \pi +\log (\log (4)))+x^2 (1+4 (i \pi +\log (\log (4))))} \, dx\\ &=\int \frac {4 e^x+\left (e^x \left (-4 x+x^2\right )+4 e^x x^2 (i \pi +\log (\log (4)))+e^x x^2 \log ^2(\log (4)) (i \pi +\log (\log (4)))\right ) \log \left (\frac {-4+x+4 x (i \pi +\log (\log (4)))+x \log ^2(\log (4)) (i \pi +\log (\log (4)))}{x (i \pi +\log (\log (4)))}\right )}{-4 x+x^2 \left (1+4 (i \pi +\log (\log (4)))+\log ^2(\log (4)) (i \pi +\log (\log (4)))\right )} \, dx\\ &=\int \frac {4 e^x+\left (e^x \left (-4 x+x^2\right )+4 e^x x^2 (i \pi +\log (\log (4)))+e^x x^2 \log ^2(\log (4)) (i \pi +\log (\log (4)))\right ) \log \left (\frac {-4+x+4 x (i \pi +\log (\log (4)))+x \log ^2(\log (4)) (i \pi +\log (\log (4)))}{x (i \pi +\log (\log (4)))}\right )}{x \left (-4+x \left (1+4 (i \pi +\log (\log (4)))+\log ^2(\log (4)) (i \pi +\log (\log (4)))\right )\right )} \, dx\\ &=\int e^x \left (\frac {4}{x \left (-4+x \left (1+4 \log (\log (4))+\log ^3(\log (4))+i \pi \left (4+\log ^2(\log (4))\right )\right )\right )}+\log \left (4+\log ^2(\log (4))+\frac {1}{i \pi +\log (\log (4))}-\frac {4}{x (i \pi +\log (\log (4)))}\right )\right ) \, dx\\ &=e^x \log \left (4+\log ^2(\log (4))+\frac {1}{i \pi +\log (\log (4))}-\frac {4}{x (i \pi +\log (\log (4)))}\right )\\ \end {aligned} \end {gather*}
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Mathematica [A] time = 0.09, size = 39, normalized size = 1.30 \begin {gather*} e^x \log \left (4+\log ^2(\log (4))+\frac {1}{i \pi +\log (\log (4))}-\frac {4}{x (i \pi +\log (\log (4)))}\right ) \end {gather*}
Antiderivative was successfully verified.
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fricas [C] time = 1.01, size = 54, normalized size = 1.80 \begin {gather*} e^{x} \log \left (\frac {2 i \, \pi x \log \left (-2 \, \log \relax (2)\right )^{2} + x \log \left (-2 \, \log \relax (2)\right )^{3} - {\left (\pi ^{2} x - 4 \, x\right )} \log \left (-2 \, \log \relax (2)\right ) + x - 4}{x \log \left (-2 \, \log \relax (2)\right )}\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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giac [B] time = 1.69, size = 443, normalized size = 14.77 \begin {gather*} \frac {1}{2} \, e^{x} \log \left (\pi ^{2} x^{2} \log \relax (2)^{4} + x^{2} \log \relax (2)^{6} + 4 \, \pi ^{2} x^{2} \log \relax (2)^{3} \log \left (\log \relax (2)\right ) + 6 \, x^{2} \log \relax (2)^{5} \log \left (\log \relax (2)\right ) + 6 \, \pi ^{2} x^{2} \log \relax (2)^{2} \log \left (\log \relax (2)\right )^{2} + 15 \, x^{2} \log \relax (2)^{4} \log \left (\log \relax (2)\right )^{2} + 4 \, \pi ^{2} x^{2} \log \relax (2) \log \left (\log \relax (2)\right )^{3} + 20 \, x^{2} \log \relax (2)^{3} \log \left (\log \relax (2)\right )^{3} + \pi ^{2} x^{2} \log \left (\log \relax (2)\right )^{4} + 15 \, x^{2} \log \relax (2)^{2} \log \left (\log \relax (2)\right )^{4} + 6 \, x^{2} \log \relax (2) \log \left (\log \relax (2)\right )^{5} + x^{2} \log \left (\log \relax (2)\right )^{6} + 8 \, \pi ^{2} x^{2} \log \relax (2)^{2} + 8 \, x^{2} \log \relax (2)^{4} + 16 \, \pi ^{2} x^{2} \log \relax (2) \log \left (\log \relax (2)\right ) + 32 \, x^{2} \log \relax (2)^{3} \log \left (\log \relax (2)\right ) + 8 \, \pi ^{2} x^{2} \log \left (\log \relax (2)\right )^{2} + 48 \, x^{2} \log \relax (2)^{2} \log \left (\log \relax (2)\right )^{2} + 32 \, x^{2} \log \relax (2) \log \left (\log \relax (2)\right )^{3} + 8 \, x^{2} \log \left (\log \relax (2)\right )^{4} + 2 \, x^{2} \log \relax (2)^{3} + 6 \, x^{2} \log \relax (2)^{2} \log \left (\log \relax (2)\right ) + 6 \, x^{2} \log \relax (2) \log \left (\log \relax (2)\right )^{2} + 2 \, x^{2} \log \left (\log \relax (2)\right )^{3} + 16 \, \pi ^{2} x^{2} + 16 \, x^{2} \log \relax (2)^{2} - 8 \, x \log \relax (2)^{3} + 32 \, x^{2} \log \relax (2) \log \left (\log \relax (2)\right ) - 24 \, x \log \relax (2)^{2} \log \left (\log \relax (2)\right ) + 16 \, x^{2} \log \left (\log \relax (2)\right )^{2} - 24 \, x \log \relax (2) \log \left (\log \relax (2)\right )^{2} - 8 \, x \log \left (\log \relax (2)\right )^{3} + 8 \, x^{2} \log \relax (2) + 8 \, x^{2} \log \left (\log \relax (2)\right ) + x^{2} - 32 \, x \log \relax (2) - 32 \, x \log \left (\log \relax (2)\right ) - 8 \, x + 16\right ) - \frac {1}{2} \, e^{x} \log \left (\pi ^{2} x^{2} + x^{2} \log \relax (2)^{2} + 2 \, x^{2} \log \relax (2) \log \left (\log \relax (2)\right ) + x^{2} \log \left (\log \relax (2)\right )^{2}\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 1.23, size = 41, normalized size = 1.37
method | result | size |
default | \({\mathrm e}^{x} \ln \left (\frac {x \ln \left (-2 \ln \relax (2)\right ) \ln \left (2 \ln \relax (2)\right )^{2}+4 x \ln \left (-2 \ln \relax (2)\right )+x -4}{x \ln \left (-2 \ln \relax (2)\right )}\right )\) | \(41\) |
norman | \({\mathrm e}^{x} \ln \left (\frac {x \ln \left (-2 \ln \relax (2)\right ) \ln \left (2 \ln \relax (2)\right )^{2}+4 x \ln \left (-2 \ln \relax (2)\right )+x -4}{x \ln \left (-2 \ln \relax (2)\right )}\right )\) | \(41\) |
risch | \({\mathrm e}^{x} \ln \left (\left (x \left (\ln \relax (2)+\ln \left (\ln \relax (2)\right )\right )^{2}+4 x \right ) \left (\ln \relax (2)+\ln \left (\ln \relax (2)\right )+i \pi \right )+x -4\right )-{\mathrm e}^{x} \ln \relax (x )-\frac {i \pi \,\mathrm {csgn}\left (\frac {i}{x}\right ) \mathrm {csgn}\left (i \left (\left (x \ln \left (2 \ln \relax (2)\right )^{2}+4 x \right ) \ln \left (-2 \ln \relax (2)\right )+x -4\right )\right ) \mathrm {csgn}\left (\frac {i \left (\left (x \ln \left (2 \ln \relax (2)\right )^{2}+4 x \right ) \ln \left (-2 \ln \relax (2)\right )+x -4\right )}{x}\right ) {\mathrm e}^{x}}{2}+\frac {i \pi \,\mathrm {csgn}\left (\frac {i}{x}\right ) \mathrm {csgn}\left (\frac {i \left (\left (x \ln \left (2 \ln \relax (2)\right )^{2}+4 x \right ) \ln \left (-2 \ln \relax (2)\right )+x -4\right )}{x}\right )^{2} {\mathrm e}^{x}}{2}+\frac {i \pi \,\mathrm {csgn}\left (i \left (\left (x \ln \left (2 \ln \relax (2)\right )^{2}+4 x \right ) \ln \left (-2 \ln \relax (2)\right )+x -4\right )\right ) \mathrm {csgn}\left (\frac {i \left (\left (x \ln \left (2 \ln \relax (2)\right )^{2}+4 x \right ) \ln \left (-2 \ln \relax (2)\right )+x -4\right )}{x}\right )^{2} {\mathrm e}^{x}}{2}-\frac {i \pi \,\mathrm {csgn}\left (\frac {i \left (\left (x \ln \left (2 \ln \relax (2)\right )^{2}+4 x \right ) \ln \left (-2 \ln \relax (2)\right )+x -4\right )}{x}\right ) \mathrm {csgn}\left (\frac {i \left (\left (x \ln \left (2 \ln \relax (2)\right )^{2}+4 x \right ) \ln \left (-2 \ln \relax (2)\right )+x -4\right )}{\ln \left (-2 \ln \relax (2)\right ) x}\right ) {\mathrm e}^{x}}{2}+\frac {i \pi \mathrm {csgn}\left (\frac {i \left (\left (x \ln \left (2 \ln \relax (2)\right )^{2}+4 x \right ) \ln \left (-2 \ln \relax (2)\right )+x -4\right )}{\ln \left (-2 \ln \relax (2)\right ) x}\right )^{2} {\mathrm e}^{x}}{2}-\frac {i \pi \mathrm {csgn}\left (\frac {i \left (\left (x \ln \left (2 \ln \relax (2)\right )^{2}+4 x \right ) \ln \left (-2 \ln \relax (2)\right )+x -4\right )}{x}\right )^{3} {\mathrm e}^{x}}{2}+\frac {i \pi \,\mathrm {csgn}\left (\frac {i \left (\left (x \ln \left (2 \ln \relax (2)\right )^{2}+4 x \right ) \ln \left (-2 \ln \relax (2)\right )+x -4\right )}{x}\right ) \mathrm {csgn}\left (\frac {i \left (\left (x \ln \left (2 \ln \relax (2)\right )^{2}+4 x \right ) \ln \left (-2 \ln \relax (2)\right )+x -4\right )}{\ln \left (-2 \ln \relax (2)\right ) x}\right )^{2} {\mathrm e}^{x}}{2}-\frac {i \pi \mathrm {csgn}\left (\frac {i \left (\left (x \ln \left (2 \ln \relax (2)\right )^{2}+4 x \right ) \ln \left (-2 \ln \relax (2)\right )+x -4\right )}{\ln \left (-2 \ln \relax (2)\right ) x}\right )^{3} {\mathrm e}^{x}}{2}-\ln \left (\ln \relax (2)+\ln \left (\ln \relax (2)\right )+i \pi \right ) {\mathrm e}^{x}\) | \(499\) |
Verification of antiderivative is not currently implemented for this CAS.
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maxima [C] time = 0.55, size = 82, normalized size = 2.73 \begin {gather*} -{\left (\log \left (i \, \pi + \log \relax (2) + \log \left (\log \relax (2)\right )\right ) + \log \relax (x)\right )} e^{x} + e^{x} \log \left ({\left (4 i \, \pi + i \, \pi \log \relax (2)^{2} + \log \relax (2)^{3} + {\left (i \, \pi + 3 \, \log \relax (2)\right )} \log \left (\log \relax (2)\right )^{2} + \log \left (\log \relax (2)\right )^{3} + {\left (2 i \, \pi \log \relax (2) + 3 \, \log \relax (2)^{2} + 4\right )} \log \left (\log \relax (2)\right ) + 4 \, \log \relax (2) + 1\right )} x - 4\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 6.51, size = 38, normalized size = 1.27 \begin {gather*} {\mathrm {e}}^x\,\ln \left (\frac {x+4\,x\,\ln \left (-\ln \relax (4)\right )+x\,\ln \left (-\ln \relax (4)\right )\,{\ln \left (\ln \relax (4)\right )}^2-4}{x\,\ln \left (-\ln \relax (4)\right )}\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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sympy [B] time = 51.20, size = 313, normalized size = 10.43 \begin {gather*} e^{x} \log {\left (\frac {4 x \log {\left (\log {\relax (2 )} \right )}}{x \log {\left (\log {\relax (2 )} \right )} + x \log {\relax (2 )} + i \pi x} + \frac {3 x \log {\relax (2 )}^{2} \log {\left (\log {\relax (2 )} \right )}}{x \log {\left (\log {\relax (2 )} \right )} + x \log {\relax (2 )} + i \pi x} + \frac {x \log {\left (\log {\relax (2 )} \right )}^{3}}{x \log {\left (\log {\relax (2 )} \right )} + x \log {\relax (2 )} + i \pi x} + \frac {3 x \log {\relax (2 )} \log {\left (\log {\relax (2 )} \right )}^{2}}{x \log {\left (\log {\relax (2 )} \right )} + x \log {\relax (2 )} + i \pi x} + \frac {x \log {\relax (2 )}^{3}}{x \log {\left (\log {\relax (2 )} \right )} + x \log {\relax (2 )} + i \pi x} + \frac {x}{x \log {\left (\log {\relax (2 )} \right )} + x \log {\relax (2 )} + i \pi x} + \frac {4 x \log {\relax (2 )}}{x \log {\left (\log {\relax (2 )} \right )} + x \log {\relax (2 )} + i \pi x} + \frac {2 i \pi x \log {\relax (2 )} \log {\left (\log {\relax (2 )} \right )}}{x \log {\left (\log {\relax (2 )} \right )} + x \log {\relax (2 )} + i \pi x} + \frac {i \pi x \log {\left (\log {\relax (2 )} \right )}^{2}}{x \log {\left (\log {\relax (2 )} \right )} + x \log {\relax (2 )} + i \pi x} + \frac {i \pi x \log {\relax (2 )}^{2}}{x \log {\left (\log {\relax (2 )} \right )} + x \log {\relax (2 )} + i \pi x} + \frac {4 i \pi x}{x \log {\left (\log {\relax (2 )} \right )} + x \log {\relax (2 )} + i \pi x} - \frac {4}{x \log {\left (\log {\relax (2 )} \right )} + x \log {\relax (2 )} + i \pi x} \right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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