Optimal. Leaf size=68 \[ -\frac{16 b^2 (a+b x)^{3/2}}{105 a^3 x^{3/2}}+\frac{8 b (a+b x)^{3/2}}{35 a^2 x^{5/2}}-\frac{2 (a+b x)^{3/2}}{7 a x^{7/2}} \]
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Rubi [A] time = 0.0096716, antiderivative size = 68, 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 = {45, 37} \[ -\frac{16 b^2 (a+b x)^{3/2}}{105 a^3 x^{3/2}}+\frac{8 b (a+b x)^{3/2}}{35 a^2 x^{5/2}}-\frac{2 (a+b x)^{3/2}}{7 a x^{7/2}} \]
Antiderivative was successfully verified.
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Rule 45
Rule 37
Rubi steps
\begin{align*} \int \frac{\sqrt{a+b x}}{x^{9/2}} \, dx &=-\frac{2 (a+b x)^{3/2}}{7 a x^{7/2}}-\frac{(4 b) \int \frac{\sqrt{a+b x}}{x^{7/2}} \, dx}{7 a}\\ &=-\frac{2 (a+b x)^{3/2}}{7 a x^{7/2}}+\frac{8 b (a+b x)^{3/2}}{35 a^2 x^{5/2}}+\frac{\left (8 b^2\right ) \int \frac{\sqrt{a+b x}}{x^{5/2}} \, dx}{35 a^2}\\ &=-\frac{2 (a+b x)^{3/2}}{7 a x^{7/2}}+\frac{8 b (a+b x)^{3/2}}{35 a^2 x^{5/2}}-\frac{16 b^2 (a+b x)^{3/2}}{105 a^3 x^{3/2}}\\ \end{align*}
Mathematica [A] time = 0.0107707, size = 40, normalized size = 0.59 \[ -\frac{2 (a+b x)^{3/2} \left (15 a^2-12 a b x+8 b^2 x^2\right )}{105 a^3 x^{7/2}} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.005, size = 35, normalized size = 0.5 \begin{align*} -{\frac{16\,{b}^{2}{x}^{2}-24\,abx+30\,{a}^{2}}{105\,{a}^{3}} \left ( bx+a \right ) ^{{\frac{3}{2}}}{x}^{-{\frac{7}{2}}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 1.01434, size = 62, normalized size = 0.91 \begin{align*} -\frac{2 \,{\left (\frac{35 \,{\left (b x + a\right )}^{\frac{3}{2}} b^{2}}{x^{\frac{3}{2}}} - \frac{42 \,{\left (b x + a\right )}^{\frac{5}{2}} b}{x^{\frac{5}{2}}} + \frac{15 \,{\left (b x + a\right )}^{\frac{7}{2}}}{x^{\frac{7}{2}}}\right )}}{105 \, a^{3}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.55729, size = 112, normalized size = 1.65 \begin{align*} -\frac{2 \,{\left (8 \, b^{3} x^{3} - 4 \, a b^{2} x^{2} + 3 \, a^{2} b x + 15 \, a^{3}\right )} \sqrt{b x + a}}{105 \, a^{3} x^{\frac{7}{2}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [B] time = 120.955, size = 347, normalized size = 5.1 \begin{align*} - \frac{30 a^{5} b^{\frac{9}{2}} \sqrt{\frac{a}{b x} + 1}}{105 a^{5} b^{4} x^{3} + 210 a^{4} b^{5} x^{4} + 105 a^{3} b^{6} x^{5}} - \frac{66 a^{4} b^{\frac{11}{2}} x \sqrt{\frac{a}{b x} + 1}}{105 a^{5} b^{4} x^{3} + 210 a^{4} b^{5} x^{4} + 105 a^{3} b^{6} x^{5}} - \frac{34 a^{3} b^{\frac{13}{2}} x^{2} \sqrt{\frac{a}{b x} + 1}}{105 a^{5} b^{4} x^{3} + 210 a^{4} b^{5} x^{4} + 105 a^{3} b^{6} x^{5}} - \frac{6 a^{2} b^{\frac{15}{2}} x^{3} \sqrt{\frac{a}{b x} + 1}}{105 a^{5} b^{4} x^{3} + 210 a^{4} b^{5} x^{4} + 105 a^{3} b^{6} x^{5}} - \frac{24 a b^{\frac{17}{2}} x^{4} \sqrt{\frac{a}{b x} + 1}}{105 a^{5} b^{4} x^{3} + 210 a^{4} b^{5} x^{4} + 105 a^{3} b^{6} x^{5}} - \frac{16 b^{\frac{19}{2}} x^{5} \sqrt{\frac{a}{b x} + 1}}{105 a^{5} b^{4} x^{3} + 210 a^{4} b^{5} x^{4} + 105 a^{3} b^{6} x^{5}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.4484, size = 89, normalized size = 1.31 \begin{align*} \frac{{\left (b x + a\right )}^{\frac{3}{2}}{\left (4 \,{\left (b x + a\right )}{\left (\frac{2 \,{\left (b x + a\right )}}{a^{4} b^{5}} - \frac{7}{a^{3} b^{5}}\right )} + \frac{35}{a^{2} b^{5}}\right )} b}{40320 \,{\left ({\left (b x + a\right )} b - a b\right )}^{\frac{7}{2}}{\left | b \right |}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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