Optimal. Leaf size=113 \[ \frac {5 b^4 \tanh ^{-1}\left (\frac {\sqrt {a+b x^2}}{\sqrt {a}}\right )}{128 a^{3/2}}-\frac {5 b^3 \sqrt {a+b x^2}}{128 a x^2}-\frac {5 b^2 \sqrt {a+b x^2}}{64 x^4}-\frac {\left (a+b x^2\right )^{5/2}}{8 x^8}-\frac {5 b \left (a+b x^2\right )^{3/2}}{48 x^6} \]
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Rubi [A] time = 0.07, antiderivative size = 113, normalized size of antiderivative = 1.00, number of steps used = 7, number of rules used = 5, integrand size = 15, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.333, Rules used = {266, 47, 51, 63, 208} \[ \frac {5 b^4 \tanh ^{-1}\left (\frac {\sqrt {a+b x^2}}{\sqrt {a}}\right )}{128 a^{3/2}}-\frac {5 b^3 \sqrt {a+b x^2}}{128 a x^2}-\frac {5 b^2 \sqrt {a+b x^2}}{64 x^4}-\frac {5 b \left (a+b x^2\right )^{3/2}}{48 x^6}-\frac {\left (a+b x^2\right )^{5/2}}{8 x^8} \]
Antiderivative was successfully verified.
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Rule 47
Rule 51
Rule 63
Rule 208
Rule 266
Rubi steps
\begin {align*} \int \frac {\left (a+b x^2\right )^{5/2}}{x^9} \, dx &=\frac {1}{2} \operatorname {Subst}\left (\int \frac {(a+b x)^{5/2}}{x^5} \, dx,x,x^2\right )\\ &=-\frac {\left (a+b x^2\right )^{5/2}}{8 x^8}+\frac {1}{16} (5 b) \operatorname {Subst}\left (\int \frac {(a+b x)^{3/2}}{x^4} \, dx,x,x^2\right )\\ &=-\frac {5 b \left (a+b x^2\right )^{3/2}}{48 x^6}-\frac {\left (a+b x^2\right )^{5/2}}{8 x^8}+\frac {1}{32} \left (5 b^2\right ) \operatorname {Subst}\left (\int \frac {\sqrt {a+b x}}{x^3} \, dx,x,x^2\right )\\ &=-\frac {5 b^2 \sqrt {a+b x^2}}{64 x^4}-\frac {5 b \left (a+b x^2\right )^{3/2}}{48 x^6}-\frac {\left (a+b x^2\right )^{5/2}}{8 x^8}+\frac {1}{128} \left (5 b^3\right ) \operatorname {Subst}\left (\int \frac {1}{x^2 \sqrt {a+b x}} \, dx,x,x^2\right )\\ &=-\frac {5 b^2 \sqrt {a+b x^2}}{64 x^4}-\frac {5 b^3 \sqrt {a+b x^2}}{128 a x^2}-\frac {5 b \left (a+b x^2\right )^{3/2}}{48 x^6}-\frac {\left (a+b x^2\right )^{5/2}}{8 x^8}-\frac {\left (5 b^4\right ) \operatorname {Subst}\left (\int \frac {1}{x \sqrt {a+b x}} \, dx,x,x^2\right )}{256 a}\\ &=-\frac {5 b^2 \sqrt {a+b x^2}}{64 x^4}-\frac {5 b^3 \sqrt {a+b x^2}}{128 a x^2}-\frac {5 b \left (a+b x^2\right )^{3/2}}{48 x^6}-\frac {\left (a+b x^2\right )^{5/2}}{8 x^8}-\frac {\left (5 b^3\right ) \operatorname {Subst}\left (\int \frac {1}{-\frac {a}{b}+\frac {x^2}{b}} \, dx,x,\sqrt {a+b x^2}\right )}{128 a}\\ &=-\frac {5 b^2 \sqrt {a+b x^2}}{64 x^4}-\frac {5 b^3 \sqrt {a+b x^2}}{128 a x^2}-\frac {5 b \left (a+b x^2\right )^{3/2}}{48 x^6}-\frac {\left (a+b x^2\right )^{5/2}}{8 x^8}+\frac {5 b^4 \tanh ^{-1}\left (\frac {\sqrt {a+b x^2}}{\sqrt {a}}\right )}{128 a^{3/2}}\\ \end {align*}
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Mathematica [C] time = 0.01, size = 39, normalized size = 0.35 \[ -\frac {b^4 \left (a+b x^2\right )^{7/2} \, _2F_1\left (\frac {7}{2},5;\frac {9}{2};\frac {b x^2}{a}+1\right )}{7 a^5} \]
Antiderivative was successfully verified.
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fricas [A] time = 0.86, size = 179, normalized size = 1.58 \[ \left [\frac {15 \, \sqrt {a} b^{4} x^{8} \log \left (-\frac {b x^{2} + 2 \, \sqrt {b x^{2} + a} \sqrt {a} + 2 \, a}{x^{2}}\right ) - 2 \, {\left (15 \, a b^{3} x^{6} + 118 \, a^{2} b^{2} x^{4} + 136 \, a^{3} b x^{2} + 48 \, a^{4}\right )} \sqrt {b x^{2} + a}}{768 \, a^{2} x^{8}}, -\frac {15 \, \sqrt {-a} b^{4} x^{8} \arctan \left (\frac {\sqrt {-a}}{\sqrt {b x^{2} + a}}\right ) + {\left (15 \, a b^{3} x^{6} + 118 \, a^{2} b^{2} x^{4} + 136 \, a^{3} b x^{2} + 48 \, a^{4}\right )} \sqrt {b x^{2} + a}}{384 \, a^{2} x^{8}}\right ] \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 1.11, size = 109, normalized size = 0.96 \[ -\frac {\frac {15 \, b^{5} \arctan \left (\frac {\sqrt {b x^{2} + a}}{\sqrt {-a}}\right )}{\sqrt {-a} a} + \frac {15 \, {\left (b x^{2} + a\right )}^{\frac {7}{2}} b^{5} + 73 \, {\left (b x^{2} + a\right )}^{\frac {5}{2}} a b^{5} - 55 \, {\left (b x^{2} + a\right )}^{\frac {3}{2}} a^{2} b^{5} + 15 \, \sqrt {b x^{2} + a} a^{3} b^{5}}{a b^{4} x^{8}}}{384 \, b} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.02, size = 159, normalized size = 1.41 \[ \frac {5 b^{4} \ln \left (\frac {2 a +2 \sqrt {b \,x^{2}+a}\, \sqrt {a}}{x}\right )}{128 a^{\frac {3}{2}}}-\frac {5 \sqrt {b \,x^{2}+a}\, b^{4}}{128 a^{2}}-\frac {5 \left (b \,x^{2}+a \right )^{\frac {3}{2}} b^{4}}{384 a^{3}}-\frac {\left (b \,x^{2}+a \right )^{\frac {5}{2}} b^{4}}{128 a^{4}}+\frac {\left (b \,x^{2}+a \right )^{\frac {7}{2}} b^{3}}{128 a^{4} x^{2}}+\frac {\left (b \,x^{2}+a \right )^{\frac {7}{2}} b^{2}}{192 a^{3} x^{4}}+\frac {\left (b \,x^{2}+a \right )^{\frac {7}{2}} b}{48 a^{2} x^{6}}-\frac {\left (b \,x^{2}+a \right )^{\frac {7}{2}}}{8 a \,x^{8}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 1.38, size = 147, normalized size = 1.30 \[ \frac {5 \, b^{4} \operatorname {arsinh}\left (\frac {a}{\sqrt {a b} {\left | x \right |}}\right )}{128 \, a^{\frac {3}{2}}} - \frac {{\left (b x^{2} + a\right )}^{\frac {5}{2}} b^{4}}{128 \, a^{4}} - \frac {5 \, {\left (b x^{2} + a\right )}^{\frac {3}{2}} b^{4}}{384 \, a^{3}} - \frac {5 \, \sqrt {b x^{2} + a} b^{4}}{128 \, a^{2}} + \frac {{\left (b x^{2} + a\right )}^{\frac {7}{2}} b^{3}}{128 \, a^{4} x^{2}} + \frac {{\left (b x^{2} + a\right )}^{\frac {7}{2}} b^{2}}{192 \, a^{3} x^{4}} + \frac {{\left (b x^{2} + a\right )}^{\frac {7}{2}} b}{48 \, a^{2} x^{6}} - \frac {{\left (b x^{2} + a\right )}^{\frac {7}{2}}}{8 \, a x^{8}} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 5.43, size = 89, normalized size = 0.79 \[ \frac {55\,a\,{\left (b\,x^2+a\right )}^{3/2}}{384\,x^8}-\frac {73\,{\left (b\,x^2+a\right )}^{5/2}}{384\,x^8}-\frac {5\,a^2\,\sqrt {b\,x^2+a}}{128\,x^8}-\frac {5\,{\left (b\,x^2+a\right )}^{7/2}}{128\,a\,x^8}-\frac {b^4\,\mathrm {atan}\left (\frac {\sqrt {b\,x^2+a}\,1{}\mathrm {i}}{\sqrt {a}}\right )\,5{}\mathrm {i}}{128\,a^{3/2}} \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 7.58, size = 150, normalized size = 1.33 \[ - \frac {a^{3}}{8 \sqrt {b} x^{9} \sqrt {\frac {a}{b x^{2}} + 1}} - \frac {23 a^{2} \sqrt {b}}{48 x^{7} \sqrt {\frac {a}{b x^{2}} + 1}} - \frac {127 a b^{\frac {3}{2}}}{192 x^{5} \sqrt {\frac {a}{b x^{2}} + 1}} - \frac {133 b^{\frac {5}{2}}}{384 x^{3} \sqrt {\frac {a}{b x^{2}} + 1}} - \frac {5 b^{\frac {7}{2}}}{128 a x \sqrt {\frac {a}{b x^{2}} + 1}} + \frac {5 b^{4} \operatorname {asinh}{\left (\frac {\sqrt {a}}{\sqrt {b} x} \right )}}{128 a^{\frac {3}{2}}} \]
Verification of antiderivative is not currently implemented for this CAS.
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