Optimal. Leaf size=27 \[ x^2 \left (-x+\frac {1}{x^2 \log (5) \left (x-\frac {4 \log (16)}{x}\right )^2}\right ) \]
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Rubi [A]
time = 0.09, antiderivative size = 39, normalized size of antiderivative = 1.44, number of steps
used = 4, number of rules used = 2, integrand size = 88, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.023, Rules used = {2098, 267}
\begin {gather*} -x^3+\frac {1}{\log (5) \left (x^2-4 \log (16)\right )}+\frac {4 \log (16)}{\log (5) \left (x^2-4 \log (16)\right )^2} \end {gather*}
Antiderivative was successfully verified.
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Rule 267
Rule 2098
Rubi steps
\begin {gather*} \begin {aligned} \text {integral} &=\int \left (-3 x^2-\frac {2 x}{\log (5) \left (x^2-4 \log (16)\right )^2}-\frac {16 x \log (16)}{\log (5) \left (x^2-4 \log (16)\right )^3}\right ) \, dx\\ &=-x^3-\frac {2 \int \frac {x}{\left (x^2-4 \log (16)\right )^2} \, dx}{\log (5)}-\frac {(16 \log (16)) \int \frac {x}{\left (x^2-4 \log (16)\right )^3} \, dx}{\log (5)}\\ &=-x^3+\frac {1}{\log (5) \left (x^2-4 \log (16)\right )}+\frac {4 \log (16)}{\log (5) \left (x^2-4 \log (16)\right )^2}\\ \end {aligned} \end {gather*}
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Mathematica [A]
time = 0.02, size = 35, normalized size = 1.30 \begin {gather*} -\frac {x^2 \left (-1+x \log (5) \left (x^2-4 \log (16)\right )^2\right )}{\log (5) \left (x^2-4 \log (16)\right )^2} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.15, size = 38, normalized size = 1.41
method | result | size |
risch | \(-x^{3}+\frac {x^{2}}{\ln \left (5\right ) \left (x^{4}-32 x^{2} \ln \left (2\right )+256 \ln \left (2\right )^{2}\right )}\) | \(34\) |
default | \(\frac {-x^{3} \ln \left (5\right )+\frac {1}{-16 \ln \left (2\right )+x^{2}}+\frac {16 \ln \left (2\right )}{\left (-16 \ln \left (2\right )+x^{2}\right )^{2}}}{\ln \left (5\right )}\) | \(38\) |
norman | \(\frac {\frac {x^{2}}{\ln \left (5\right )}-x^{7}-256 x^{3} \ln \left (2\right )^{2}+32 x^{5} \ln \left (2\right )}{\left (16 \ln \left (2\right )-x^{2}\right )^{2}}\) | \(44\) |
gosper | \(-\frac {x^{2} \left (x^{5} \ln \left (5\right )-32 x^{3} \ln \left (5\right ) \ln \left (2\right )+256 x \ln \left (2\right )^{2} \ln \left (5\right )-1\right )}{\ln \left (5\right ) \left (x^{4}-32 x^{2} \ln \left (2\right )+256 \ln \left (2\right )^{2}\right )}\) | \(55\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.27, size = 36, normalized size = 1.33 \begin {gather*} -x^{3} + \frac {x^{2}}{x^{4} \log \left (5\right ) - 32 \, x^{2} \log \left (5\right ) \log \left (2\right ) + 256 \, \log \left (5\right ) \log \left (2\right )^{2}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.34, size = 52, normalized size = 1.93 \begin {gather*} \frac {x^{2} - {\left (x^{7} - 32 \, x^{5} \log \left (2\right ) + 256 \, x^{3} \log \left (2\right )^{2}\right )} \log \left (5\right )}{{\left (x^{4} - 32 \, x^{2} \log \left (2\right ) + 256 \, \log \left (2\right )^{2}\right )} \log \left (5\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 0.15, size = 34, normalized size = 1.26 \begin {gather*} - x^{3} + \frac {x^{2}}{x^{4} \log {\left (5 \right )} - 32 x^{2} \log {\left (2 \right )} \log {\left (5 \right )} + 256 \log {\left (2 \right )}^{2} \log {\left (5 \right )}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 0.41, size = 24, normalized size = 0.89 \begin {gather*} -x^{3} + \frac {x^{2}}{{\left (x^{2} - 16 \, \log \left (2\right )\right )}^{2} \log \left (5\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.25, size = 26, normalized size = 0.96 \begin {gather*} \frac {x^2}{\ln \left (5\right )\,{\left (16\,\ln \left (2\right )-x^2\right )}^2}-x^3 \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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