Optimal. Leaf size=12 \[ \frac {\log ^{1+n}(x)}{1+n} \]
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Rubi [A]
time = 0.01, antiderivative size = 12, normalized size of antiderivative = 1.00, number of steps
used = 2, number of rules used = 2, integrand size = 8, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.250, Rules used = {2339, 30}
\begin {gather*} \frac {\log ^{n+1}(x)}{n+1} \end {gather*}
Antiderivative was successfully verified.
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Rule 30
Rule 2339
Rubi steps
\begin {align*} \int \frac {\log ^n(x)}{x} \, dx &=\text {Subst}\left (\int x^n \, dx,x,\log (x)\right )\\ &=\frac {\log ^{1+n}(x)}{1+n}\\ \end {align*}
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Mathematica [A]
time = 0.00, size = 12, normalized size = 1.00 \begin {gather*} \frac {\log ^{1+n}(x)}{1+n} \end {gather*}
Antiderivative was successfully verified.
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Mathics [C] Result contains higher order function than in optimal. Order 9 vs. order 3 in
optimal.
time = 1.93, size = 21, normalized size = 1.75 \begin {gather*} \text {Piecewise}\left [\left \{\left \{\frac {\text {Log}\left [x\right ]^{1+n}}{1+n},n\text {!=}-1\right \}\right \},\text {Log}\left [\text {Log}\left [x\right ]\right ]\right ] \end {gather*}
Warning: Unable to verify antiderivative.
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Maple [A]
time = 0.02, size = 13, normalized size = 1.08
method | result | size |
derivativedivides | \(\frac {\ln \left (x \right )^{1+n}}{1+n}\) | \(13\) |
default | \(\frac {\ln \left (x \right )^{1+n}}{1+n}\) | \(13\) |
risch | \(\frac {\ln \left (x \right ) \ln \left (x \right )^{n}}{1+n}\) | \(13\) |
norman | \(\frac {\ln \left (x \right ) {\mathrm e}^{n \ln \left (\ln \left (x \right )\right )}}{1+n}\) | \(15\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.24, size = 12, normalized size = 1.00 \begin {gather*} \frac {\log \left (x\right )^{n + 1}}{n + 1} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.32, size = 12, normalized size = 1.00 \begin {gather*} \frac {\log \left (x\right )^{n} \log \left (x\right )}{n + 1} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 0.45, size = 15, normalized size = 1.25 \begin {gather*} \begin {cases} \frac {\log {\left (x \right )}^{n + 1}}{n + 1} & \text {for}\: n \neq -1 \\\log {\left (\log {\left (x \right )} \right )} & \text {otherwise} \end {cases} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 0.00, size = 11, normalized size = 0.92 \begin {gather*} \frac {\left (\ln x\right )^{n+1}}{n+1} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.33, size = 22, normalized size = 1.83 \begin {gather*} \left \{\begin {array}{cl} \ln \left (\ln \left (x\right )\right ) & \text {\ if\ \ }n=-1\\ \frac {{\ln \left (x\right )}^{n+1}}{n+1} & \text {\ if\ \ }n\neq -1 \end {array}\right . \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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