Optimal. Leaf size=17 \[ \frac {1}{2} x \cos (\log (x))+\frac {1}{2} x \sin (\log (x)) \]
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Rubi [A]
time = 0.00, antiderivative size = 17, normalized size of antiderivative = 1.00, number of steps
used = 1, number of rules used = 1, integrand size = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.333, Rules used = {4564}
\begin {gather*} \frac {1}{2} x \sin (\log (x))+\frac {1}{2} x \cos (\log (x)) \end {gather*}
Antiderivative was successfully verified.
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Rule 4564
Rubi steps
\begin {align*} \int \cos (\log (x)) \, dx &=\frac {1}{2} x \cos (\log (x))+\frac {1}{2} x \sin (\log (x))\\ \end {align*}
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Mathematica [A]
time = 0.00, size = 17, normalized size = 1.00 \begin {gather*} \frac {1}{2} x \cos (\log (x))+\frac {1}{2} x \sin (\log (x)) \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.02, size = 14, normalized size = 0.82
method | result | size |
lookup | \(\frac {x \cos \left (\ln \left (x \right )\right )}{2}+\frac {x \sin \left (\ln \left (x \right )\right )}{2}\) | \(14\) |
default | \(\frac {x \cos \left (\ln \left (x \right )\right )}{2}+\frac {x \sin \left (\ln \left (x \right )\right )}{2}\) | \(14\) |
risch | \(\left (\frac {1}{4}-\frac {i}{4}\right ) x \,x^{i}+\left (\frac {1}{4}+\frac {i}{4}\right ) x \,x^{-i}\) | \(22\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 3.23, size = 10, normalized size = 0.59 \begin {gather*} \frac {1}{2} \, x {\left (\cos \left (\log \left (x\right )\right ) + \sin \left (\log \left (x\right )\right )\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.72, size = 13, normalized size = 0.76 \begin {gather*} \frac {1}{2} \, x \cos \left (\log \left (x\right )\right ) + \frac {1}{2} \, x \sin \left (\log \left (x\right )\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 0.11, size = 15, normalized size = 0.88 \begin {gather*} \frac {x \sin {\left (\log {\left (x \right )} \right )}}{2} + \frac {x \cos {\left (\log {\left (x \right )} \right )}}{2} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 0.74, size = 13, normalized size = 0.76 \begin {gather*} \frac {1}{2} \, x \cos \left (\log \left (x\right )\right ) + \frac {1}{2} \, x \sin \left (\log \left (x\right )\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.17, size = 13, normalized size = 0.76 \begin {gather*} \frac {\sqrt {2}\,x\,\sin \left (\frac {\pi }{4}+\ln \left (x\right )\right )}{2} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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