Optimal. Leaf size=21 \[ -1+\log \left (\frac {\log (4) \log (225+i \pi +x+\log (\log (7)))}{x}\right ) \]
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Rubi [A] time = 0.38, antiderivative size = 18, normalized size of antiderivative = 0.86, number of steps used = 8, number of rules used = 7, integrand size = 65, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.108, Rules used = {6, 1593, 6742, 2390, 12, 2302, 29} \begin {gather*} -\log (x)+\log (\log (x+i \pi +225+\log (\log (7)))) \end {gather*}
Antiderivative was successfully verified.
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Rule 6
Rule 12
Rule 29
Rule 1593
Rule 2302
Rule 2390
Rule 6742
Rubi steps
\begin {gather*} \begin {aligned} \text {integral} &=\int \frac {x+(-225-i \pi -x-\log (\log (7))) \log (225+i \pi +x+\log (\log (7)))}{\left (x^2+x (225+i \pi +\log (\log (7)))\right ) \log (225+i \pi +x+\log (\log (7)))} \, dx\\ &=\int \frac {x+(-225-i \pi -x-\log (\log (7))) \log (225+i \pi +x+\log (\log (7)))}{x (225+i \pi +x+\log (\log (7))) \log (225+i \pi +x+\log (\log (7)))} \, dx\\ &=\int \left (-\frac {1}{x}-\frac {i}{(-225 i+\pi -i x-i \log (\log (7))) \log (225+i \pi +x+\log (\log (7)))}\right ) \, dx\\ &=-\log (x)-i \int \frac {1}{(-225 i+\pi -i x-i \log (\log (7))) \log (225+i \pi +x+\log (\log (7)))} \, dx\\ &=-\log (x)-i \operatorname {Subst}\left (\int \frac {225+i \pi +\log (\log (7))}{x \log (x) (-225 i+\pi -i \log (\log (7)))} \, dx,x,225+i \pi +x+\log (\log (7))\right )\\ &=-\log (x)+\operatorname {Subst}\left (\int \frac {1}{x \log (x)} \, dx,x,225+i \pi +x+\log (\log (7))\right )\\ &=-\log (x)+\operatorname {Subst}\left (\int \frac {1}{x} \, dx,x,\log (225+i \pi +x+\log (\log (7)))\right )\\ &=-\log (x)+\log (\log (225+i \pi +x+\log (\log (7))))\\ \end {aligned} \end {gather*}
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Mathematica [A] time = 0.08, size = 18, normalized size = 0.86 \begin {gather*} -\log (x)+\log (\log (225+i \pi +x+\log (\log (7)))) \end {gather*}
Antiderivative was successfully verified.
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fricas [A] time = 0.55, size = 15, normalized size = 0.71 \begin {gather*} -\log \relax (x) + \log \left (\log \left (x + \log \left (-\log \relax (7)\right ) + 225\right )\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.12, size = 15, normalized size = 0.71 \begin {gather*} -\log \relax (x) + \log \left (\log \left (x + \log \left (-\log \relax (7)\right ) + 225\right )\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.28, size = 16, normalized size = 0.76
method | result | size |
norman | \(-\ln \relax (x )+\ln \left (\ln \left (\ln \left (-\ln \relax (7)\right )+x +225\right )\right )\) | \(16\) |
risch | \(-\ln \relax (x )+\ln \left (\ln \left (\ln \left (\ln \relax (7)\right )+i \pi +x +225\right )\right )\) | \(18\) |
derivativedivides | \(-\ln \left (\ln \left (\ln \relax (7)\right )+i \pi -\ln \left (-\ln \relax (7)\right )-x \right )+\ln \left (\ln \left (\ln \left (-\ln \relax (7)\right )+x +225\right )\right )\) | \(33\) |
default | \(-\ln \left (\ln \left (\ln \relax (7)\right )+i \pi -\ln \left (-\ln \relax (7)\right )-x \right )+\ln \left (\ln \left (\ln \left (-\ln \relax (7)\right )+x +225\right )\right )\) | \(33\) |
Verification of antiderivative is not currently implemented for this CAS.
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maxima [B] time = 0.50, size = 94, normalized size = 4.48 \begin {gather*} {\left (\frac {\log \left (x + \log \left (-\log \relax (7)\right ) + 225\right )}{\log \left (-\log \relax (7)\right ) + 225} - \frac {\log \relax (x)}{\log \left (-\log \relax (7)\right ) + 225}\right )} \log \left (-\log \relax (7)\right ) + \frac {225 \, \log \left (x + \log \left (-\log \relax (7)\right ) + 225\right )}{\log \left (-\log \relax (7)\right ) + 225} - \frac {225 \, \log \relax (x)}{\log \left (-\log \relax (7)\right ) + 225} - \log \left (x + \log \left (-\log \relax (7)\right ) + 225\right ) + \log \left (\log \left (x + \log \left (-\log \relax (7)\right ) + 225\right )\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 3.62, size = 15, normalized size = 0.71 \begin {gather*} \ln \left (\ln \left (x+\ln \left (-\ln \relax (7)\right )+225\right )\right )-\ln \relax (x) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 0.25, size = 17, normalized size = 0.81 \begin {gather*} - \log {\relax (x )} + \log {\left (\log {\left (x + \log {\left (\log {\relax (7 )} \right )} + 225 + i \pi \right )} \right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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