Optimal. Leaf size=11 \[ x-\frac {9}{x}+6 \log (x) \]
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Rubi [A] time = 0.00, antiderivative size = 11, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 1, integrand size = 12, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.083, Rules used = {14} \[ x-\frac {9}{x}+6 \log (x) \]
Antiderivative was successfully verified.
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Rule 14
Rubi steps
\begin {align*} \int \frac {9+6 x+x^2}{x^2} \, dx &=\int \left (1+\frac {9}{x^2}+\frac {6}{x}\right ) \, dx\\ &=-\frac {9}{x}+x+6 \log (x)\\ \end {align*}
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Mathematica [A] time = 0.00, size = 11, normalized size = 1.00 \[ x-\frac {9}{x}+6 \log (x) \]
Antiderivative was successfully verified.
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fricas [A] time = 0.81, size = 14, normalized size = 1.27 \[ \frac {x^{2} + 6 \, x \log \relax (x) - 9}{x} \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.17, size = 12, normalized size = 1.09 \[ x - \frac {9}{x} + 6 \, \log \left ({\left | x \right |}\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.07, size = 12, normalized size = 1.09 \[ x +6 \ln \relax (x )-\frac {9}{x} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 0.80, size = 11, normalized size = 1.00 \[ x - \frac {9}{x} + 6 \, \log \relax (x) \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.03, size = 11, normalized size = 1.00 \[ x+6\,\ln \relax (x)-\frac {9}{x} \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 0.11, size = 8, normalized size = 0.73 \[ x + 6 \log {\relax (x )} - \frac {9}{x} \]
Verification of antiderivative is not currently implemented for this CAS.
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