Optimal. Leaf size=11 \[ \frac {\log (a+b \log (x))}{b} \]
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Rubi [A] time = 0.02, antiderivative size = 11, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, integrand size = 12, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.167, Rules used = {2302, 29} \[ \frac {\log (a+b \log (x))}{b} \]
Antiderivative was successfully verified.
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Rule 29
Rule 2302
Rubi steps
\begin {align*} \int \frac {1}{x (a+b \log (x))} \, dx &=\frac {\operatorname {Subst}\left (\int \frac {1}{x} \, dx,x,a+b \log (x)\right )}{b}\\ &=\frac {\log (a+b \log (x))}{b}\\ \end {align*}
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Mathematica [A] time = 0.02, size = 11, normalized size = 1.00 \[ \frac {\log (a+b \log (x))}{b} \]
Antiderivative was successfully verified.
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IntegrateAlgebraic [F] time = 0.00, size = 0, normalized size = 0.00 \[ \int \frac {1}{x (a+b \log (x))} \, dx \]
Verification is Not applicable to the result.
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fricas [A] time = 0.95, size = 11, normalized size = 1.00 \[ \frac {\log \left (b \log \relax (x) + a\right )}{b} \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [B] time = 0.60, size = 30, normalized size = 2.73 \[ \frac {\log \left (\frac {1}{4} \, \pi ^{2} b^{2} {\left (\mathrm {sgn}\relax (x) - 1\right )}^{2} + {\left (b \log \left ({\left | x \right |}\right ) + a\right )}^{2}\right )}{2 \, b} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.02, size = 12, normalized size = 1.09
method | result | size |
derivativedivides | \(\frac {\ln \left (a +b \ln \relax (x )\right )}{b}\) | \(12\) |
default | \(\frac {\ln \left (a +b \ln \relax (x )\right )}{b}\) | \(12\) |
norman | \(\frac {\ln \left (a +b \ln \relax (x )\right )}{b}\) | \(12\) |
risch | \(\frac {\ln \left (\ln \relax (x )+\frac {a}{b}\right )}{b}\) | \(14\) |
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 0.42, size = 11, normalized size = 1.00 \[ \frac {\log \left (b \log \relax (x) + a\right )}{b} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.29, size = 11, normalized size = 1.00 \[ \frac {\ln \left (a+b\,\ln \relax (x)\right )}{b} \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 0.13, size = 8, normalized size = 0.73 \[ \frac {\log {\left (\frac {a}{b} + \log {\relax (x )} \right )}}{b} \]
Verification of antiderivative is not currently implemented for this CAS.
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