Optimal. Leaf size=8 \[ \frac {x}{\log \left (x^2\right )} \]
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Rubi [A]
time = 0.05, antiderivative size = 8, normalized size of antiderivative = 1.00, number of steps
used = 7, number of rules used = 4, integrand size = 13, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.308, Rules used = {2407, 2334,
2337, 2209} \begin {gather*} \frac {x}{\log \left (x^2\right )} \end {gather*}
Antiderivative was successfully verified.
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Rule 2209
Rule 2334
Rule 2337
Rule 2407
Rubi steps
\begin {gather*} \begin {aligned} \text {integral} &=\int \left (-\frac {2}{\log ^2\left (x^2\right )}+\frac {1}{\log \left (x^2\right )}\right ) \, dx\\ &=-\left (2 \int \frac {1}{\log ^2\left (x^2\right )} \, dx\right )+\int \frac {1}{\log \left (x^2\right )} \, dx\\ &=\frac {x}{\log \left (x^2\right )}+\frac {x \text {Subst}\left (\int \frac {e^{x/2}}{x} \, dx,x,\log \left (x^2\right )\right )}{2 \sqrt {x^2}}-\int \frac {1}{\log \left (x^2\right )} \, dx\\ &=\frac {x \text {Ei}\left (\frac {\log \left (x^2\right )}{2}\right )}{2 \sqrt {x^2}}+\frac {x}{\log \left (x^2\right )}-\frac {x \text {Subst}\left (\int \frac {e^{x/2}}{x} \, dx,x,\log \left (x^2\right )\right )}{2 \sqrt {x^2}}\\ &=\frac {x}{\log \left (x^2\right )}\\ \end {aligned} \end {gather*}
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Mathematica [A]
time = 0.01, size = 8, normalized size = 1.00 \begin {gather*} \frac {x}{\log \left (x^2\right )} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 2.59, size = 9, normalized size = 1.12
method | result | size |
norman | \(\frac {x}{\ln \left (x^{2}\right )}\) | \(9\) |
risch | \(\frac {x}{\ln \left (x^{2}\right )}\) | \(9\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.30, size = 7, normalized size = 0.88 \begin {gather*} \frac {x}{2 \, \log \left (x\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.33, size = 8, normalized size = 1.00 \begin {gather*} \frac {x}{\log \left (x^{2}\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 0.02, size = 5, normalized size = 0.62 \begin {gather*} \frac {x}{\log {\left (x^{2} \right )}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 0.41, size = 8, normalized size = 1.00 \begin {gather*} \frac {x}{\log \left (x^{2}\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 3.61, size = 8, normalized size = 1.00 \begin {gather*} \frac {x}{\ln \left (x^2\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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