Optimal. Leaf size=20 \[ -\frac{\sqrt{6 x-x^2}}{3 x} \]
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Rubi [A] time = 0.0049185, antiderivative size = 20, normalized size of antiderivative = 1., number of steps used = 1, number of rules used = 1, integrand size = 17, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.059, Rules used = {650} \[ -\frac{\sqrt{6 x-x^2}}{3 x} \]
Antiderivative was successfully verified.
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Rule 650
Rubi steps
\begin{align*} \int \frac{1}{x \sqrt{6 x-x^2}} \, dx &=-\frac{\sqrt{6 x-x^2}}{3 x}\\ \end{align*}
Mathematica [A] time = 0.0057691, size = 17, normalized size = 0.85 \[ \frac{x-6}{3 \sqrt{-(x-6) x}} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.002, size = 17, normalized size = 0.9 \begin{align*}{\frac{-6+x}{3}{\frac{1}{\sqrt{-{x}^{2}+6\,x}}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 1.4938, size = 22, normalized size = 1.1 \begin{align*} -\frac{\sqrt{-x^{2} + 6 \, x}}{3 \, x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.45785, size = 34, normalized size = 1.7 \begin{align*} -\frac{\sqrt{-x^{2} + 6 \, x}}{3 \, x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{1}{x \sqrt{- x \left (x - 6\right )}}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.11879, size = 34, normalized size = 1.7 \begin{align*} \frac{2}{3 \,{\left (\frac{\sqrt{-x^{2} + 6 \, x} - 3}{x - 3} - 1\right )}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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