Optimal. Leaf size=50 \[ -\frac{\sqrt{a+\frac{b}{x}}}{\sqrt{x}}-\frac{a \tanh ^{-1}\left (\frac{\sqrt{b}}{\sqrt{x} \sqrt{a+\frac{b}{x}}}\right )}{\sqrt{b}} \]
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Rubi [A] time = 0.0260107, antiderivative size = 50, normalized size of antiderivative = 1., number of steps used = 4, number of rules used = 4, integrand size = 17, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.235, Rules used = {337, 195, 217, 206} \[ -\frac{\sqrt{a+\frac{b}{x}}}{\sqrt{x}}-\frac{a \tanh ^{-1}\left (\frac{\sqrt{b}}{\sqrt{x} \sqrt{a+\frac{b}{x}}}\right )}{\sqrt{b}} \]
Antiderivative was successfully verified.
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Rule 337
Rule 195
Rule 217
Rule 206
Rubi steps
\begin{align*} \int \frac{\sqrt{a+\frac{b}{x}}}{x^{3/2}} \, dx &=-\left (2 \operatorname{Subst}\left (\int \sqrt{a+b x^2} \, dx,x,\frac{1}{\sqrt{x}}\right )\right )\\ &=-\frac{\sqrt{a+\frac{b}{x}}}{\sqrt{x}}-a \operatorname{Subst}\left (\int \frac{1}{\sqrt{a+b x^2}} \, dx,x,\frac{1}{\sqrt{x}}\right )\\ &=-\frac{\sqrt{a+\frac{b}{x}}}{\sqrt{x}}-a \operatorname{Subst}\left (\int \frac{1}{1-b x^2} \, dx,x,\frac{1}{\sqrt{a+\frac{b}{x}} \sqrt{x}}\right )\\ &=-\frac{\sqrt{a+\frac{b}{x}}}{\sqrt{x}}-\frac{a \tanh ^{-1}\left (\frac{\sqrt{b}}{\sqrt{a+\frac{b}{x}} \sqrt{x}}\right )}{\sqrt{b}}\\ \end{align*}
Mathematica [A] time = 0.123413, size = 74, normalized size = 1.48 \[ \frac{\sqrt{a+\frac{b}{x}} \left (-\frac{a^{3/2} x^{3/2} \sqrt{\frac{b}{a x}+1} \sinh ^{-1}\left (\frac{\sqrt{b}}{\sqrt{a} \sqrt{x}}\right )}{\sqrt{b} (a x+b)}-1\right )}{\sqrt{x}} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.013, size = 54, normalized size = 1.1 \begin{align*} -{\sqrt{{\frac{ax+b}{x}}} \left ({\it Artanh} \left ({\sqrt{ax+b}{\frac{1}{\sqrt{b}}}} \right ) ax+\sqrt{ax+b}\sqrt{b} \right ){\frac{1}{\sqrt{x}}}{\frac{1}{\sqrt{ax+b}}}{\frac{1}{\sqrt{b}}}} \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 = 1.51862, size = 290, normalized size = 5.8 \begin{align*} \left [\frac{a \sqrt{b} x \log \left (\frac{a x - 2 \, \sqrt{b} \sqrt{x} \sqrt{\frac{a x + b}{x}} + 2 \, b}{x}\right ) - 2 \, b \sqrt{x} \sqrt{\frac{a x + b}{x}}}{2 \, b x}, \frac{a \sqrt{-b} x \arctan \left (\frac{\sqrt{-b} \sqrt{x} \sqrt{\frac{a x + b}{x}}}{b}\right ) - b \sqrt{x} \sqrt{\frac{a x + b}{x}}}{b x}\right ] \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 6.32732, size = 44, normalized size = 0.88 \begin{align*} - \frac{\sqrt{a} \sqrt{1 + \frac{b}{a x}}}{\sqrt{x}} - \frac{a \operatorname{asinh}{\left (\frac{\sqrt{b}}{\sqrt{a} \sqrt{x}} \right )}}{\sqrt{b}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.30258, size = 54, normalized size = 1.08 \begin{align*} a{\left (\frac{\arctan \left (\frac{\sqrt{a x + b}}{\sqrt{-b}}\right )}{\sqrt{-b}} - \frac{\sqrt{a x + b}}{a x}\right )} \mathrm{sgn}\left (x\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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