Optimal. Leaf size=19 \[ -\frac {\log (\log (5 (i \pi +\log (4))))}{2+x} \]
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Rubi [A] time = 0.00, antiderivative size = 19, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, integrand size = 23, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.130, Rules used = {12, 27, 32} \begin {gather*} -\frac {\log (\log (5 (\log (4)+i \pi )))}{x+2} \end {gather*}
Antiderivative was successfully verified.
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Rule 12
Rule 27
Rule 32
Rubi steps
\begin {gather*} \begin {aligned} \text {integral} &=\log (\log (5 (i \pi +\log (4)))) \int \frac {1}{4+4 x+x^2} \, dx\\ &=\log (\log (5 (i \pi +\log (4)))) \int \frac {1}{(2+x)^2} \, dx\\ &=-\frac {\log (\log (5 (i \pi +\log (4))))}{2+x}\\ \end {aligned} \end {gather*}
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Mathematica [A] time = 0.00, size = 19, normalized size = 1.00 \begin {gather*} -\frac {\log (\log (5 (i \pi +\log (4))))}{2+x} \end {gather*}
Antiderivative was successfully verified.
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fricas [A] time = 1.02, size = 17, normalized size = 0.89 \begin {gather*} -\frac {\log \left (\log \left (5 i \, \pi + 10 \, \log \relax (2)\right )\right )}{x + 2} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.19, size = 17, normalized size = 0.89 \begin {gather*} -\frac {\log \left (\log \left (5 i \, \pi + 10 \, \log \relax (2)\right )\right )}{x + 2} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.46, size = 19, normalized size = 1.00
method | result | size |
gosper | \(-\frac {\ln \left (\ln \left (10 \ln \relax (2)+5 i \pi \right )\right )}{2+x}\) | \(19\) |
default | \(-\frac {\ln \left (\ln \left (10 \ln \relax (2)+5 i \pi \right )\right )}{2+x}\) | \(19\) |
risch | \(-\frac {\ln \left (\ln \left (5 i \left (-2 i \ln \relax (2)+\pi \right )\right )\right )}{2+x}\) | \(20\) |
norman | \(-\frac {\ln \left (\ln \relax (5)+\ln \left (2 \ln \relax (2)+i \pi \right )\right )}{2+x}\) | \(22\) |
meijerg | \(\frac {\ln \left (\ln \left (10 \ln \relax (2)+5 i \pi \right )\right ) x}{2 x +4}\) | \(22\) |
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 0.37, size = 17, normalized size = 0.89 \begin {gather*} -\frac {\log \left (\log \left (5 i \, \pi + 10 \, \log \relax (2)\right )\right )}{x + 2} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.08, size = 18, normalized size = 0.95 \begin {gather*} -\frac {\ln \left (\ln \left (10\,\ln \relax (2)+\Pi \,5{}\mathrm {i}\right )\right )}{x+2} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 0.10, size = 19, normalized size = 1.00 \begin {gather*} - \frac {\log {\left (\log {\relax (5 )} + \log {\left (2 \log {\relax (2 )} + i \pi \right )} \right )}}{x + 2} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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