Optimal. Leaf size=19 \[ -x^2 \log (2)+2 x \left (1+x^3 \log (2)\right ) \]
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Rubi [A]
time = 0.01, antiderivative size = 18, normalized size of antiderivative = 0.95, number of steps
used = 2, number of rules used = 0, integrand size = 14, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.000, Rules used = {}
\begin {gather*} 2 x^4 \log (2)-x^2 \log (2)+2 x \end {gather*}
Antiderivative was successfully verified.
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Rubi steps
\begin {gather*} \begin {aligned} \text {integral} &=2 x+\log (2) \int \left (-2 x+8 x^3\right ) \, dx\\ &=2 x-x^2 \log (2)+2 x^4 \log (2)\\ \end {aligned} \end {gather*}
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Mathematica [A]
time = 0.00, size = 20, normalized size = 1.05 \begin {gather*} 2 x+2 x^4 \log (2)-\frac {1}{2} x^2 \log (4) \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.27, size = 19, normalized size = 1.00
method | result | size |
gosper | \(x \left (2 x^{3} \ln \left (2\right )-x \ln \left (2\right )+2\right )\) | \(17\) |
default | \(2 x^{4} \ln \left (2\right )-x^{2} \ln \left (2\right )+2 x\) | \(19\) |
norman | \(2 x^{4} \ln \left (2\right )-x^{2} \ln \left (2\right )+2 x\) | \(19\) |
risch | \(2 x^{4} \ln \left (2\right )-x^{2} \ln \left (2\right )+\frac {\ln \left (2\right )}{8}+2 x\) | \(23\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.29, size = 18, normalized size = 0.95 \begin {gather*} {\left (2 \, x^{4} - x^{2}\right )} \log \left (2\right ) + 2 \, x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.33, size = 18, normalized size = 0.95 \begin {gather*} {\left (2 \, x^{4} - x^{2}\right )} \log \left (2\right ) + 2 \, x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 0.01, size = 17, normalized size = 0.89 \begin {gather*} 2 x^{4} \log {\left (2 \right )} - x^{2} \log {\left (2 \right )} + 2 x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 0.42, size = 18, normalized size = 0.95 \begin {gather*} {\left (2 \, x^{4} - x^{2}\right )} \log \left (2\right ) + 2 \, x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.04, size = 16, normalized size = 0.84 \begin {gather*} x\,\left (2\,\ln \left (2\right )\,x^3-\ln \left (2\right )\,x+2\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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