Optimal. Leaf size=38 \[ \frac{\left (a+b x^2\right )^{13/2}}{13 b^2}-\frac{a \left (a+b x^2\right )^{11/2}}{11 b^2} \]
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Rubi [A] time = 0.0239998, antiderivative size = 38, normalized size of antiderivative = 1., number of steps used = 3, number of rules used = 2, integrand size = 15, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.133, Rules used = {266, 43} \[ \frac{\left (a+b x^2\right )^{13/2}}{13 b^2}-\frac{a \left (a+b x^2\right )^{11/2}}{11 b^2} \]
Antiderivative was successfully verified.
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Rule 266
Rule 43
Rubi steps
\begin{align*} \int x^3 \left (a+b x^2\right )^{9/2} \, dx &=\frac{1}{2} \operatorname{Subst}\left (\int x (a+b x)^{9/2} \, dx,x,x^2\right )\\ &=\frac{1}{2} \operatorname{Subst}\left (\int \left (-\frac{a (a+b x)^{9/2}}{b}+\frac{(a+b x)^{11/2}}{b}\right ) \, dx,x,x^2\right )\\ &=-\frac{a \left (a+b x^2\right )^{11/2}}{11 b^2}+\frac{\left (a+b x^2\right )^{13/2}}{13 b^2}\\ \end{align*}
Mathematica [A] time = 0.0182053, size = 28, normalized size = 0.74 \[ \frac{\left (a+b x^2\right )^{11/2} \left (11 b x^2-2 a\right )}{143 b^2} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.004, size = 25, normalized size = 0.7 \begin{align*} -{\frac{-11\,b{x}^{2}+2\,a}{143\,{b}^{2}} \left ( b{x}^{2}+a \right ) ^{{\frac{11}{2}}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F(-2)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Exception raised: ValueError} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] time = 1.62493, size = 174, normalized size = 4.58 \begin{align*} \frac{{\left (11 \, b^{6} x^{12} + 53 \, a b^{5} x^{10} + 100 \, a^{2} b^{4} x^{8} + 90 \, a^{3} b^{3} x^{6} + 35 \, a^{4} b^{2} x^{4} + a^{5} b x^{2} - 2 \, a^{6}\right )} \sqrt{b x^{2} + a}}{143 \, b^{2}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 18.0402, size = 156, normalized size = 4.11 \begin{align*} \begin{cases} - \frac{2 a^{6} \sqrt{a + b x^{2}}}{143 b^{2}} + \frac{a^{5} x^{2} \sqrt{a + b x^{2}}}{143 b} + \frac{35 a^{4} x^{4} \sqrt{a + b x^{2}}}{143} + \frac{90 a^{3} b x^{6} \sqrt{a + b x^{2}}}{143} + \frac{100 a^{2} b^{2} x^{8} \sqrt{a + b x^{2}}}{143} + \frac{53 a b^{3} x^{10} \sqrt{a + b x^{2}}}{143} + \frac{b^{4} x^{12} \sqrt{a + b x^{2}}}{13} & \text{for}\: b \neq 0 \\\frac{a^{\frac{9}{2}} x^{4}}{4} & \text{otherwise} \end{cases} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [B] time = 2.4424, size = 406, normalized size = 10.68 \begin{align*} \frac{\frac{3003 \,{\left (3 \,{\left (b x^{2} + a\right )}^{\frac{5}{2}} - 5 \,{\left (b x^{2} + a\right )}^{\frac{3}{2}} a\right )} a^{4}}{b} + \frac{1716 \,{\left (15 \,{\left (b x^{2} + a\right )}^{\frac{7}{2}} - 42 \,{\left (b x^{2} + a\right )}^{\frac{5}{2}} a + 35 \,{\left (b x^{2} + a\right )}^{\frac{3}{2}} a^{2}\right )} a^{3}}{b} + \frac{858 \,{\left (35 \,{\left (b x^{2} + a\right )}^{\frac{9}{2}} - 135 \,{\left (b x^{2} + a\right )}^{\frac{7}{2}} a + 189 \,{\left (b x^{2} + a\right )}^{\frac{5}{2}} a^{2} - 105 \,{\left (b x^{2} + a\right )}^{\frac{3}{2}} a^{3}\right )} a^{2}}{b} + \frac{52 \,{\left (315 \,{\left (b x^{2} + a\right )}^{\frac{11}{2}} - 1540 \,{\left (b x^{2} + a\right )}^{\frac{9}{2}} a + 2970 \,{\left (b x^{2} + a\right )}^{\frac{7}{2}} a^{2} - 2772 \,{\left (b x^{2} + a\right )}^{\frac{5}{2}} a^{3} + 1155 \,{\left (b x^{2} + a\right )}^{\frac{3}{2}} a^{4}\right )} a}{b} + \frac{5 \,{\left (693 \,{\left (b x^{2} + a\right )}^{\frac{13}{2}} - 4095 \,{\left (b x^{2} + a\right )}^{\frac{11}{2}} a + 10010 \,{\left (b x^{2} + a\right )}^{\frac{9}{2}} a^{2} - 12870 \,{\left (b x^{2} + a\right )}^{\frac{7}{2}} a^{3} + 9009 \,{\left (b x^{2} + a\right )}^{\frac{5}{2}} a^{4} - 3003 \,{\left (b x^{2} + a\right )}^{\frac{3}{2}} a^{5}\right )}}{b}}{45045 \, b} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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