Optimal. Leaf size=14 \[ \log \left (-84+x-x^2+x^4+\log (x)\right ) \]
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Rubi [F]
time = 0.20, 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 = {}
\begin {gather*} \int \frac {1+x-2 x^2+4 x^4}{-84 x+x^2-x^3+x^5+x \log (x)} \, dx \end {gather*}
Verification is not applicable to the result.
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Rubi steps
\begin {gather*} \begin {aligned} \text {integral} &=\int \left (\frac {1}{-84+x-x^2+x^4+\log (x)}+\frac {1}{x \left (-84+x-x^2+x^4+\log (x)\right )}-\frac {2 x}{-84+x-x^2+x^4+\log (x)}+\frac {4 x^3}{-84+x-x^2+x^4+\log (x)}\right ) \, dx\\ &=-\left (2 \int \frac {x}{-84+x-x^2+x^4+\log (x)} \, dx\right )+4 \int \frac {x^3}{-84+x-x^2+x^4+\log (x)} \, dx+\int \frac {1}{-84+x-x^2+x^4+\log (x)} \, dx+\int \frac {1}{x \left (-84+x-x^2+x^4+\log (x)\right )} \, dx\\ \end {aligned} \end {gather*}
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Mathematica [A]
time = 0.03, size = 14, normalized size = 1.00 \begin {gather*} \log \left (-84+x-x^2+x^4+\log (x)\right ) \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.25, size = 15, normalized size = 1.07
method | result | size |
default | \(\ln \left (\ln \left (x \right )+x^{4}-x^{2}+x -84\right )\) | \(15\) |
norman | \(\ln \left (\ln \left (x \right )+x^{4}-x^{2}+x -84\right )\) | \(15\) |
risch | \(\ln \left (\ln \left (x \right )+x^{4}-x^{2}+x -84\right )\) | \(15\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.30, size = 14, normalized size = 1.00 \begin {gather*} \log \left (x^{4} - x^{2} + x + \log \left (x\right ) - 84\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.34, size = 14, normalized size = 1.00 \begin {gather*} \log \left (x^{4} - x^{2} + x + \log \left (x\right ) - 84\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 0.07, size = 14, normalized size = 1.00 \begin {gather*} \log {\left (x^{4} - x^{2} + x + \log {\left (x \right )} - 84 \right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 0.38, size = 14, normalized size = 1.00 \begin {gather*} \log \left (x^{4} - x^{2} + x + \log \left (x\right ) - 84\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.73, size = 14, normalized size = 1.00 \begin {gather*} \ln \left (x+\ln \left (x\right )-x^2+x^4-84\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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