Optimal. Leaf size=23 \[ -x-e^{\frac {4 (3-\log (3))}{\log (2)}} x^4 \]
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Rubi [A]
time = 0.02, antiderivative size = 23, normalized size of antiderivative = 1.00, number of steps
used = 2, number of rules used = 1, integrand size = 33, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.030, Rules used = {12}
\begin {gather*} x^4 \left (-e^{\frac {4 (3-\log (3))}{\log (2)}}\right )-x \end {gather*}
Antiderivative was successfully verified.
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Rule 12
Rubi steps
\begin {gather*} \begin {aligned} \text {integral} &=e^{-\frac {4 (-3+\log (3))}{\log (2)}} \int \left (-e^{\frac {4 (-3+\log (3))}{\log (2)}}-4 x^3\right ) \, dx\\ &=-x-e^{\frac {4 (3-\log (3))}{\log (2)}} x^4\\ \end {aligned} \end {gather*}
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Mathematica [A]
time = 0.01, size = 25, normalized size = 1.09 \begin {gather*} -x-3^{-\frac {4}{\log (2)}} e^{\frac {12}{\log (2)}} x^4 \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.35, size = 35, normalized size = 1.52
method | result | size |
risch | \(-x -3^{-\frac {4}{\ln \left (2\right )}} x^{4} {\mathrm e}^{\frac {12}{\ln \left (2\right )}}\) | \(25\) |
gosper | \(-x \left ({\mathrm e}^{\frac {4 \ln \left (3\right )-12}{\ln \left (2\right )}}+x^{3}\right ) {\mathrm e}^{-\frac {4 \left (\ln \left (3\right )-3\right )}{\ln \left (2\right )}}\) | \(32\) |
default | \({\mathrm e}^{-\frac {4 \left (\ln \left (3\right )-3\right )}{\ln \left (2\right )}} \left (-{\mathrm e}^{\frac {4 \ln \left (3\right )-12}{\ln \left (2\right )}} x -x^{4}\right )\) | \(35\) |
norman | \(\left (-3^{-\frac {1}{\ln \left (2\right )}} {\mathrm e}^{\frac {3}{\ln \left (2\right )}} x^{4}-3^{\frac {3}{\ln \left (2\right )}} {\mathrm e}^{-\frac {9}{\ln \left (2\right )}} x \right ) {\mathrm e}^{-\frac {3 \left (\ln \left (3\right )-3\right )}{\ln \left (2\right )}}\) | \(53\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.27, size = 30, normalized size = 1.30 \begin {gather*} -{\left (x^{4} + x e^{\left (\frac {4 \, {\left (\log \left (3\right ) - 3\right )}}{\log \left (2\right )}\right )}\right )} e^{\left (-\frac {4 \, {\left (\log \left (3\right ) - 3\right )}}{\log \left (2\right )}\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.35, size = 30, normalized size = 1.30 \begin {gather*} -{\left (x^{4} + x e^{\left (\frac {4 \, {\left (\log \left (3\right ) - 3\right )}}{\log \left (2\right )}\right )}\right )} e^{\left (-\frac {4 \, {\left (\log \left (3\right ) - 3\right )}}{\log \left (2\right )}\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 0.01, size = 19, normalized size = 0.83 \begin {gather*} - \frac {x^{4} e^{\frac {12}{\log {\left (2 \right )}}}}{3^{\frac {4}{\log {\left (2 \right )}}}} - x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 0.40, size = 30, normalized size = 1.30 \begin {gather*} -{\left (x^{4} + x e^{\left (\frac {4 \, {\left (\log \left (3\right ) - 3\right )}}{\log \left (2\right )}\right )}\right )} e^{\left (-\frac {4 \, {\left (\log \left (3\right ) - 3\right )}}{\log \left (2\right )}\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.04, size = 20, normalized size = 0.87 \begin {gather*} -{\mathrm {e}}^{-\frac {\ln \left (81\right )-12}{\ln \left (2\right )}}\,x^4-x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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