Optimal. Leaf size=15 \[ -\frac {1}{12} \left (9-4 x^2\right )^{3/2} \]
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Rubi [A] time = 0.00, antiderivative size = 15, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 1, integrand size = 13, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.077, Rules used = {261} \[ -\frac {1}{12} \left (9-4 x^2\right )^{3/2} \]
Antiderivative was successfully verified.
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Rule 261
Rubi steps
\begin {align*} \int x \sqrt {9-4 x^2} \, dx &=-\frac {1}{12} \left (9-4 x^2\right )^{3/2}\\ \end {align*}
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Mathematica [A] time = 0.00, size = 15, normalized size = 1.00 \[ -\frac {1}{12} \left (9-4 x^2\right )^{3/2} \]
Antiderivative was successfully verified.
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fricas [A] time = 0.65, size = 18, normalized size = 1.20 \[ \frac {1}{12} \, {\left (4 \, x^{2} - 9\right )} \sqrt {-4 \, x^{2} + 9} \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 1.08, size = 11, normalized size = 0.73 \[ -\frac {1}{12} \, {\left (-4 \, x^{2} + 9\right )}^{\frac {3}{2}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.00, size = 22, normalized size = 1.47 \[ \frac {\left (2 x -3\right ) \left (2 x +3\right ) \sqrt {-4 x^{2}+9}}{12} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 1.28, size = 11, normalized size = 0.73 \[ -\frac {1}{12} \, {\left (-4 \, x^{2} + 9\right )}^{\frac {3}{2}} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.02, size = 18, normalized size = 1.20 \[ \frac {\sqrt {\frac {9}{4}-x^2}\,\left (\frac {4\,x^2}{3}-3\right )}{2} \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [B] time = 0.20, size = 27, normalized size = 1.80 \[ \frac {x^{2} \sqrt {9 - 4 x^{2}}}{3} - \frac {3 \sqrt {9 - 4 x^{2}}}{4} \]
Verification of antiderivative is not currently implemented for this CAS.
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