Optimal. Leaf size=99 \[ \frac{10}{3 b^2 x^{3/2} \sqrt{a+\frac{b}{x}}}-\frac{5 \sqrt{a+\frac{b}{x}}}{b^3 \sqrt{x}}+\frac{5 a \tanh ^{-1}\left (\frac{\sqrt{b}}{\sqrt{x} \sqrt{a+\frac{b}{x}}}\right )}{b^{7/2}}+\frac{2}{3 b x^{5/2} \left (a+\frac{b}{x}\right )^{3/2}} \]
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Rubi [A] time = 0.0536092, antiderivative size = 99, normalized size of antiderivative = 1., number of steps used = 6, number of rules used = 5, integrand size = 17, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.294, Rules used = {337, 288, 321, 217, 206} \[ \frac{10}{3 b^2 x^{3/2} \sqrt{a+\frac{b}{x}}}-\frac{5 \sqrt{a+\frac{b}{x}}}{b^3 \sqrt{x}}+\frac{5 a \tanh ^{-1}\left (\frac{\sqrt{b}}{\sqrt{x} \sqrt{a+\frac{b}{x}}}\right )}{b^{7/2}}+\frac{2}{3 b x^{5/2} \left (a+\frac{b}{x}\right )^{3/2}} \]
Antiderivative was successfully verified.
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Rule 337
Rule 288
Rule 321
Rule 217
Rule 206
Rubi steps
\begin{align*} \int \frac{1}{\left (a+\frac{b}{x}\right )^{5/2} x^{9/2}} \, dx &=-\left (2 \operatorname{Subst}\left (\int \frac{x^6}{\left (a+b x^2\right )^{5/2}} \, dx,x,\frac{1}{\sqrt{x}}\right )\right )\\ &=\frac{2}{3 b \left (a+\frac{b}{x}\right )^{3/2} x^{5/2}}-\frac{10 \operatorname{Subst}\left (\int \frac{x^4}{\left (a+b x^2\right )^{3/2}} \, dx,x,\frac{1}{\sqrt{x}}\right )}{3 b}\\ &=\frac{2}{3 b \left (a+\frac{b}{x}\right )^{3/2} x^{5/2}}+\frac{10}{3 b^2 \sqrt{a+\frac{b}{x}} x^{3/2}}-\frac{10 \operatorname{Subst}\left (\int \frac{x^2}{\sqrt{a+b x^2}} \, dx,x,\frac{1}{\sqrt{x}}\right )}{b^2}\\ &=\frac{2}{3 b \left (a+\frac{b}{x}\right )^{3/2} x^{5/2}}+\frac{10}{3 b^2 \sqrt{a+\frac{b}{x}} x^{3/2}}-\frac{5 \sqrt{a+\frac{b}{x}}}{b^3 \sqrt{x}}+\frac{(5 a) \operatorname{Subst}\left (\int \frac{1}{\sqrt{a+b x^2}} \, dx,x,\frac{1}{\sqrt{x}}\right )}{b^3}\\ &=\frac{2}{3 b \left (a+\frac{b}{x}\right )^{3/2} x^{5/2}}+\frac{10}{3 b^2 \sqrt{a+\frac{b}{x}} x^{3/2}}-\frac{5 \sqrt{a+\frac{b}{x}}}{b^3 \sqrt{x}}+\frac{(5 a) \operatorname{Subst}\left (\int \frac{1}{1-b x^2} \, dx,x,\frac{1}{\sqrt{a+\frac{b}{x}} \sqrt{x}}\right )}{b^3}\\ &=\frac{2}{3 b \left (a+\frac{b}{x}\right )^{3/2} x^{5/2}}+\frac{10}{3 b^2 \sqrt{a+\frac{b}{x}} x^{3/2}}-\frac{5 \sqrt{a+\frac{b}{x}}}{b^3 \sqrt{x}}+\frac{5 a \tanh ^{-1}\left (\frac{\sqrt{b}}{\sqrt{a+\frac{b}{x}} \sqrt{x}}\right )}{b^{7/2}}\\ \end{align*}
Mathematica [C] time = 0.0178849, size = 56, normalized size = 0.57 \[ -\frac{2 \sqrt{\frac{b}{a x}+1} \, _2F_1\left (\frac{5}{2},\frac{7}{2};\frac{9}{2};-\frac{b}{a x}\right )}{7 a^2 x^{7/2} \sqrt{a+\frac{b}{x}}} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.019, size = 102, normalized size = 1. \begin{align*} -{\frac{1}{3\, \left ( ax+b \right ) ^{2}}\sqrt{{\frac{ax+b}{x}}} \left ( -15\,{\it Artanh} \left ({\frac{\sqrt{ax+b}}{\sqrt{b}}} \right ) \sqrt{ax+b}{x}^{2}{a}^{2}+3\,{b}^{5/2}+20\,{b}^{3/2}xa+15\,{a}^{2}{x}^{2}\sqrt{b}-15\,{\it Artanh} \left ({\frac{\sqrt{ax+b}}{\sqrt{b}}} \right ) xab\sqrt{ax+b} \right ){\frac{1}{\sqrt{x}}}{b}^{-{\frac{7}{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 = 1.54167, size = 559, normalized size = 5.65 \begin{align*} \left [\frac{15 \,{\left (a^{3} x^{3} + 2 \, a^{2} b x^{2} + a b^{2} x\right )} \sqrt{b} \log \left (\frac{a x + 2 \, \sqrt{b} \sqrt{x} \sqrt{\frac{a x + b}{x}} + 2 \, b}{x}\right ) - 2 \,{\left (15 \, a^{2} b x^{2} + 20 \, a b^{2} x + 3 \, b^{3}\right )} \sqrt{x} \sqrt{\frac{a x + b}{x}}}{6 \,{\left (a^{2} b^{4} x^{3} + 2 \, a b^{5} x^{2} + b^{6} x\right )}}, -\frac{15 \,{\left (a^{3} x^{3} + 2 \, a^{2} b x^{2} + a b^{2} x\right )} \sqrt{-b} \arctan \left (\frac{\sqrt{-b} \sqrt{x} \sqrt{\frac{a x + b}{x}}}{b}\right ) +{\left (15 \, a^{2} b x^{2} + 20 \, a b^{2} x + 3 \, b^{3}\right )} \sqrt{x} \sqrt{\frac{a x + b}{x}}}{3 \,{\left (a^{2} b^{4} x^{3} + 2 \, a b^{5} x^{2} + b^{6} x\right )}}\right ] \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F(-1)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Timed out} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.30485, size = 89, normalized size = 0.9 \begin{align*} -\frac{1}{3} \, a{\left (\frac{15 \, \arctan \left (\frac{\sqrt{a x + b}}{\sqrt{-b}}\right )}{\sqrt{-b} b^{3}} + \frac{2 \,{\left (6 \, a x + 7 \, b\right )}}{{\left (a x + b\right )}^{\frac{3}{2}} b^{3}} + \frac{3 \, \sqrt{a x + b}}{a b^{3} x}\right )} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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