Optimal. Leaf size=44 \[ \frac{1}{8 (2 x+3) \left (4 x^2+12 x+9\right )^{5/2}}-\frac{1}{20 \left (4 x^2+12 x+9\right )^{5/2}} \]
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Rubi [A] time = 0.0091762, antiderivative size = 44, normalized size of antiderivative = 1., number of steps used = 2, number of rules used = 2, integrand size = 16, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.125, Rules used = {640, 607} \[ \frac{1}{8 (2 x+3) \left (4 x^2+12 x+9\right )^{5/2}}-\frac{1}{20 \left (4 x^2+12 x+9\right )^{5/2}} \]
Antiderivative was successfully verified.
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Rule 640
Rule 607
Rubi steps
\begin{align*} \int \frac{x}{\left (9+12 x+4 x^2\right )^{7/2}} \, dx &=-\frac{1}{20 \left (9+12 x+4 x^2\right )^{5/2}}-\frac{3}{2} \int \frac{1}{\left (9+12 x+4 x^2\right )^{7/2}} \, dx\\ &=-\frac{1}{20 \left (9+12 x+4 x^2\right )^{5/2}}+\frac{1}{8 (3+2 x) \left (9+12 x+4 x^2\right )^{5/2}}\\ \end{align*}
Mathematica [A] time = 0.0086804, size = 27, normalized size = 0.61 \[ \frac{-4 x-1}{40 (2 x+3)^5 \sqrt{(2 x+3)^2}} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.066, size = 22, normalized size = 0.5 \begin{align*} -{\frac{ \left ( 3+2\,x \right ) \left ( 4\,x+1 \right ) }{40} \left ( \left ( 3+2\,x \right ) ^{2} \right ) ^{-{\frac{7}{2}}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 1.72885, size = 32, normalized size = 0.73 \begin{align*} -\frac{1}{20 \,{\left (4 \, x^{2} + 12 \, x + 9\right )}^{\frac{5}{2}}} + \frac{1}{8 \,{\left (2 \, x + 3\right )}^{6}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.59023, size = 113, normalized size = 2.57 \begin{align*} -\frac{4 \, x + 1}{40 \,{\left (64 \, x^{6} + 576 \, x^{5} + 2160 \, x^{4} + 4320 \, x^{3} + 4860 \, x^{2} + 2916 \, x + 729\right )}} \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{x}{\left (\left (2 x + 3\right )^{2}\right )^{\frac{7}{2}}}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F] time = 0., size = 0, normalized size = 0. \begin{align*} \mathit{sage}_{0} x \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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