Optimal. Leaf size=116 \[ -\frac{128 b^4 \left (a+b x^2\right )^{11/2}}{230945 a^5 x^{11}}+\frac{64 b^3 \left (a+b x^2\right )^{11/2}}{20995 a^4 x^{13}}-\frac{16 b^2 \left (a+b x^2\right )^{11/2}}{1615 a^3 x^{15}}+\frac{8 b \left (a+b x^2\right )^{11/2}}{323 a^2 x^{17}}-\frac{\left (a+b x^2\right )^{11/2}}{19 a x^{19}} \]
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Rubi [A] time = 0.0445839, antiderivative size = 116, normalized size of antiderivative = 1., number of steps used = 5, number of rules used = 2, integrand size = 15, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.133, Rules used = {271, 264} \[ -\frac{128 b^4 \left (a+b x^2\right )^{11/2}}{230945 a^5 x^{11}}+\frac{64 b^3 \left (a+b x^2\right )^{11/2}}{20995 a^4 x^{13}}-\frac{16 b^2 \left (a+b x^2\right )^{11/2}}{1615 a^3 x^{15}}+\frac{8 b \left (a+b x^2\right )^{11/2}}{323 a^2 x^{17}}-\frac{\left (a+b x^2\right )^{11/2}}{19 a x^{19}} \]
Antiderivative was successfully verified.
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Rule 271
Rule 264
Rubi steps
\begin{align*} \int \frac{\left (a+b x^2\right )^{9/2}}{x^{20}} \, dx &=-\frac{\left (a+b x^2\right )^{11/2}}{19 a x^{19}}-\frac{(8 b) \int \frac{\left (a+b x^2\right )^{9/2}}{x^{18}} \, dx}{19 a}\\ &=-\frac{\left (a+b x^2\right )^{11/2}}{19 a x^{19}}+\frac{8 b \left (a+b x^2\right )^{11/2}}{323 a^2 x^{17}}+\frac{\left (48 b^2\right ) \int \frac{\left (a+b x^2\right )^{9/2}}{x^{16}} \, dx}{323 a^2}\\ &=-\frac{\left (a+b x^2\right )^{11/2}}{19 a x^{19}}+\frac{8 b \left (a+b x^2\right )^{11/2}}{323 a^2 x^{17}}-\frac{16 b^2 \left (a+b x^2\right )^{11/2}}{1615 a^3 x^{15}}-\frac{\left (64 b^3\right ) \int \frac{\left (a+b x^2\right )^{9/2}}{x^{14}} \, dx}{1615 a^3}\\ &=-\frac{\left (a+b x^2\right )^{11/2}}{19 a x^{19}}+\frac{8 b \left (a+b x^2\right )^{11/2}}{323 a^2 x^{17}}-\frac{16 b^2 \left (a+b x^2\right )^{11/2}}{1615 a^3 x^{15}}+\frac{64 b^3 \left (a+b x^2\right )^{11/2}}{20995 a^4 x^{13}}+\frac{\left (128 b^4\right ) \int \frac{\left (a+b x^2\right )^{9/2}}{x^{12}} \, dx}{20995 a^4}\\ &=-\frac{\left (a+b x^2\right )^{11/2}}{19 a x^{19}}+\frac{8 b \left (a+b x^2\right )^{11/2}}{323 a^2 x^{17}}-\frac{16 b^2 \left (a+b x^2\right )^{11/2}}{1615 a^3 x^{15}}+\frac{64 b^3 \left (a+b x^2\right )^{11/2}}{20995 a^4 x^{13}}-\frac{128 b^4 \left (a+b x^2\right )^{11/2}}{230945 a^5 x^{11}}\\ \end{align*}
Mathematica [A] time = 0.0168273, size = 64, normalized size = 0.55 \[ -\frac{\left (a+b x^2\right )^{11/2} \left (2288 a^2 b^2 x^4-5720 a^3 b x^2+12155 a^4-704 a b^3 x^6+128 b^4 x^8\right )}{230945 a^5 x^{19}} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.003, size = 61, normalized size = 0.5 \begin{align*} -{\frac{128\,{b}^{4}{x}^{8}-704\,{b}^{3}{x}^{6}a+2288\,{b}^{2}{x}^{4}{a}^{2}-5720\,b{x}^{2}{a}^{3}+12155\,{a}^{4}}{230945\,{x}^{19}{a}^{5}} \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 [A] time = 3.32294, size = 288, normalized size = 2.48 \begin{align*} -\frac{{\left (128 \, b^{9} x^{18} - 64 \, a b^{8} x^{16} + 48 \, a^{2} b^{7} x^{14} - 40 \, a^{3} b^{6} x^{12} + 35 \, a^{4} b^{5} x^{10} + 23063 \, a^{5} b^{4} x^{8} + 75086 \, a^{6} b^{3} x^{6} + 95238 \, a^{7} b^{2} x^{4} + 55055 \, a^{8} b x^{2} + 12155 \, a^{9}\right )} \sqrt{b x^{2} + a}}{230945 \, a^{5} x^{19}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [B] time = 17.0971, size = 1182, normalized size = 10.19 \begin{align*} \text{result too large to display} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [B] time = 3.05115, size = 551, normalized size = 4.75 \begin{align*} \frac{256 \,{\left (92378 \,{\left (\sqrt{b} x - \sqrt{b x^{2} + a}\right )}^{28} b^{\frac{19}{2}} + 554268 \,{\left (\sqrt{b} x - \sqrt{b x^{2} + a}\right )}^{26} a b^{\frac{19}{2}} + 1939938 \,{\left (\sqrt{b} x - \sqrt{b x^{2} + a}\right )}^{24} a^{2} b^{\frac{19}{2}} + 4018443 \,{\left (\sqrt{b} x - \sqrt{b x^{2} + a}\right )}^{22} a^{3} b^{\frac{19}{2}} + 5866003 \,{\left (\sqrt{b} x - \sqrt{b x^{2} + a}\right )}^{20} a^{4} b^{\frac{19}{2}} + 5773625 \,{\left (\sqrt{b} x - \sqrt{b x^{2} + a}\right )}^{18} a^{5} b^{\frac{19}{2}} + 4094025 \,{\left (\sqrt{b} x - \sqrt{b x^{2} + a}\right )}^{16} a^{6} b^{\frac{19}{2}} + 1889550 \,{\left (\sqrt{b} x - \sqrt{b x^{2} + a}\right )}^{14} a^{7} b^{\frac{19}{2}} + 581400 \,{\left (\sqrt{b} x - \sqrt{b x^{2} + a}\right )}^{12} a^{8} b^{\frac{19}{2}} + 80750 \,{\left (\sqrt{b} x - \sqrt{b x^{2} + a}\right )}^{10} a^{9} b^{\frac{19}{2}} + 3876 \,{\left (\sqrt{b} x - \sqrt{b x^{2} + a}\right )}^{8} a^{10} b^{\frac{19}{2}} - 969 \,{\left (\sqrt{b} x - \sqrt{b x^{2} + a}\right )}^{6} a^{11} b^{\frac{19}{2}} + 171 \,{\left (\sqrt{b} x - \sqrt{b x^{2} + a}\right )}^{4} a^{12} b^{\frac{19}{2}} - 19 \,{\left (\sqrt{b} x - \sqrt{b x^{2} + a}\right )}^{2} a^{13} b^{\frac{19}{2}} + a^{14} b^{\frac{19}{2}}\right )}}{230945 \,{\left ({\left (\sqrt{b} x - \sqrt{b x^{2} + a}\right )}^{2} - a\right )}^{19}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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