Optimal. Leaf size=51 \[ \frac {2 e^{4 i a}}{x^2+e^{2 i a}}+2 e^{2 i a} \log \left (x^2+e^{2 i a}\right )-\frac {x^2}{2} \]
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Rubi [F] time = 0.03, 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 = {} \[ \int x \tan ^2(a+i \log (x)) \, dx \]
Verification is Not applicable to the result.
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Rubi steps
\begin {align*} \int x \tan ^2(a+i \log (x)) \, dx &=\int x \tan ^2(a+i \log (x)) \, dx\\ \end {align*}
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Mathematica [B] time = 0.12, size = 135, normalized size = 2.65 \[ \frac {2 \cos (3 a)+2 i \sin (3 a)}{\left (x^2+1\right ) \cos (a)-i \left (x^2-1\right ) \sin (a)}+2 i \cos (2 a) \tan ^{-1}\left (\frac {\left (x^2+1\right ) \cot (a)}{x^2-1}\right )-2 \sin (2 a) \tan ^{-1}\left (\frac {\left (x^2+1\right ) \cot (a)}{x^2-1}\right )+\cos (2 a) \log \left (2 x^2 \cos (2 a)+x^4+1\right )+i \sin (2 a) \log \left (2 x^2 \cos (2 a)+x^4+1\right )-\frac {x^2}{2} \]
Antiderivative was successfully verified.
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fricas [A] time = 0.48, size = 54, normalized size = 1.06 \[ -\frac {x^{4} + x^{2} e^{\left (2 i \, a\right )} - 4 \, {\left (x^{2} e^{\left (2 i \, a\right )} + e^{\left (4 i \, a\right )}\right )} \log \left (x^{2} + e^{\left (2 i \, a\right )}\right ) - 4 \, e^{\left (4 i \, a\right )}}{2 \, {\left (x^{2} + e^{\left (2 i \, a\right )}\right )}} \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [B] time = 0.57, size = 221, normalized size = 4.33 \[ -\frac {x^{4}}{2 \, {\left (x^{2} + \frac {e^{\left (4 i \, a\right )}}{x^{2}} + 2 \, e^{\left (2 i \, a\right )}\right )}} + \frac {2 \, x^{2} e^{\left (2 i \, a\right )} \log \left (x^{2} + e^{\left (2 i \, a\right )}\right )}{x^{2} + \frac {e^{\left (4 i \, a\right )}}{x^{2}} + 2 \, e^{\left (2 i \, a\right )}} - \frac {5 \, x^{2} e^{\left (2 i \, a\right )}}{2 \, {\left (x^{2} + \frac {e^{\left (4 i \, a\right )}}{x^{2}} + 2 \, e^{\left (2 i \, a\right )}\right )}} + \frac {4 \, e^{\left (4 i \, a\right )} \log \left (x^{2} + e^{\left (2 i \, a\right )}\right )}{x^{2} + \frac {e^{\left (4 i \, a\right )}}{x^{2}} + 2 \, e^{\left (2 i \, a\right )}} - \frac {3 \, e^{\left (4 i \, a\right )}}{2 \, {\left (x^{2} + \frac {e^{\left (4 i \, a\right )}}{x^{2}} + 2 \, e^{\left (2 i \, a\right )}\right )}} + \frac {2 \, e^{\left (6 i \, a\right )} \log \left (x^{2} + e^{\left (2 i \, a\right )}\right )}{{\left (x^{2} + \frac {e^{\left (4 i \, a\right )}}{x^{2}} + 2 \, e^{\left (2 i \, a\right )}\right )} x^{2}} + \frac {e^{\left (6 i \, a\right )}}{2 \, {\left (x^{2} + \frac {e^{\left (4 i \, a\right )}}{x^{2}} + 2 \, e^{\left (2 i \, a\right )}\right )} x^{2}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.05, size = 42, normalized size = 0.82 \[ -\frac {5 x^{2}}{2}+\frac {2 x^{2}}{1+\frac {{\mathrm e}^{2 i a}}{x^{2}}}+2 \,{\mathrm e}^{2 i a} \ln \left ({\mathrm e}^{2 i a}+x^{2}\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [B] time = 0.35, size = 193, normalized size = 3.78 \[ -\frac {x^{4} + {\left (4 \, {\left (-i \, \cos \left (2 \, a\right ) + \sin \left (2 \, a\right )\right )} \arctan \left (\sin \left (2 \, a\right ), x^{2} + \cos \left (2 \, a\right )\right ) + \cos \left (2 \, a\right ) + i \, \sin \left (2 \, a\right )\right )} x^{2} - {\left (4 i \, \cos \left (2 \, a\right )^{2} - 8 \, \cos \left (2 \, a\right ) \sin \left (2 \, a\right ) - 4 i \, \sin \left (2 \, a\right )^{2}\right )} \arctan \left (\sin \left (2 \, a\right ), x^{2} + \cos \left (2 \, a\right )\right ) - {\left (x^{2} {\left (2 \, \cos \left (2 \, a\right ) + 2 i \, \sin \left (2 \, a\right )\right )} + 2 \, \cos \left (2 \, a\right )^{2} + 4 i \, \cos \left (2 \, a\right ) \sin \left (2 \, a\right ) - 2 \, \sin \left (2 \, a\right )^{2}\right )} \log \left (x^{4} + 2 \, x^{2} \cos \left (2 \, a\right ) + \cos \left (2 \, a\right )^{2} + \sin \left (2 \, a\right )^{2}\right ) - 4 \, \cos \left (4 \, a\right ) - 4 i \, \sin \left (4 \, a\right )}{2 \, x^{2} + 2 \, \cos \left (2 \, a\right ) + 2 i \, \sin \left (2 \, a\right )} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 2.21, size = 41, normalized size = 0.80 \[ \frac {2\,{\mathrm {e}}^{a\,4{}\mathrm {i}}}{x^2+{\mathrm {e}}^{a\,2{}\mathrm {i}}}+2\,{\mathrm {e}}^{a\,2{}\mathrm {i}}\,\ln \left (x^2+{\mathrm {e}}^{a\,2{}\mathrm {i}}\right )-\frac {x^2}{2} \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 0.29, size = 42, normalized size = 0.82 \[ - \frac {x^{2}}{2} + 2 e^{2 i a} \log {\left (x^{2} + e^{2 i a} \right )} + \frac {2 e^{4 i a}}{x^{2} + e^{2 i a}} \]
Verification of antiderivative is not currently implemented for this CAS.
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