Optimal. Leaf size=111 \[ -\frac{\left (a+b x^2\right )^{3/2} (A-B x)}{2 x^2}-\frac{3 \sqrt{a+b x^2} (a B-A b x)}{2 x}-\frac{3}{2} \sqrt{a} A b \tanh ^{-1}\left (\frac{\sqrt{a+b x^2}}{\sqrt{a}}\right )+\frac{3}{2} a \sqrt{b} B \tanh ^{-1}\left (\frac{\sqrt{b} x}{\sqrt{a+b x^2}}\right ) \]
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Rubi [A] time = 0.0845428, antiderivative size = 111, normalized size of antiderivative = 1., number of steps used = 8, number of rules used = 7, integrand size = 20, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.35, Rules used = {813, 844, 217, 206, 266, 63, 208} \[ -\frac{\left (a+b x^2\right )^{3/2} (A-B x)}{2 x^2}-\frac{3 \sqrt{a+b x^2} (a B-A b x)}{2 x}-\frac{3}{2} \sqrt{a} A b \tanh ^{-1}\left (\frac{\sqrt{a+b x^2}}{\sqrt{a}}\right )+\frac{3}{2} a \sqrt{b} B \tanh ^{-1}\left (\frac{\sqrt{b} x}{\sqrt{a+b x^2}}\right ) \]
Antiderivative was successfully verified.
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Rule 813
Rule 844
Rule 217
Rule 206
Rule 266
Rule 63
Rule 208
Rubi steps
\begin{align*} \int \frac{(A+B x) \left (a+b x^2\right )^{3/2}}{x^3} \, dx &=-\frac{(A-B x) \left (a+b x^2\right )^{3/2}}{2 x^2}-\frac{3}{8} \int \frac{(-4 a B-4 A b x) \sqrt{a+b x^2}}{x^2} \, dx\\ &=-\frac{3 (a B-A b x) \sqrt{a+b x^2}}{2 x}-\frac{(A-B x) \left (a+b x^2\right )^{3/2}}{2 x^2}+\frac{3}{16} \int \frac{8 a A b+8 a b B x}{x \sqrt{a+b x^2}} \, dx\\ &=-\frac{3 (a B-A b x) \sqrt{a+b x^2}}{2 x}-\frac{(A-B x) \left (a+b x^2\right )^{3/2}}{2 x^2}+\frac{1}{2} (3 a A b) \int \frac{1}{x \sqrt{a+b x^2}} \, dx+\frac{1}{2} (3 a b B) \int \frac{1}{\sqrt{a+b x^2}} \, dx\\ &=-\frac{3 (a B-A b x) \sqrt{a+b x^2}}{2 x}-\frac{(A-B x) \left (a+b x^2\right )^{3/2}}{2 x^2}+\frac{1}{4} (3 a A b) \operatorname{Subst}\left (\int \frac{1}{x \sqrt{a+b x}} \, dx,x,x^2\right )+\frac{1}{2} (3 a b B) \operatorname{Subst}\left (\int \frac{1}{1-b x^2} \, dx,x,\frac{x}{\sqrt{a+b x^2}}\right )\\ &=-\frac{3 (a B-A b x) \sqrt{a+b x^2}}{2 x}-\frac{(A-B x) \left (a+b x^2\right )^{3/2}}{2 x^2}+\frac{3}{2} a \sqrt{b} B \tanh ^{-1}\left (\frac{\sqrt{b} x}{\sqrt{a+b x^2}}\right )+\frac{1}{2} (3 a A) \operatorname{Subst}\left (\int \frac{1}{-\frac{a}{b}+\frac{x^2}{b}} \, dx,x,\sqrt{a+b x^2}\right )\\ &=-\frac{3 (a B-A b x) \sqrt{a+b x^2}}{2 x}-\frac{(A-B x) \left (a+b x^2\right )^{3/2}}{2 x^2}+\frac{3}{2} a \sqrt{b} B \tanh ^{-1}\left (\frac{\sqrt{b} x}{\sqrt{a+b x^2}}\right )-\frac{3}{2} \sqrt{a} A b \tanh ^{-1}\left (\frac{\sqrt{a+b x^2}}{\sqrt{a}}\right )\\ \end{align*}
Mathematica [C] time = 0.0356247, size = 90, normalized size = 0.81 \[ \frac{A b \left (a+b x^2\right )^{5/2} \, _2F_1\left (2,\frac{5}{2};\frac{7}{2};\frac{b x^2}{a}+1\right )}{5 a^2}-\frac{a B \sqrt{a+b x^2} \, _2F_1\left (-\frac{3}{2},-\frac{1}{2};\frac{1}{2};-\frac{b x^2}{a}\right )}{x \sqrt{\frac{b x^2}{a}+1}} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.007, size = 150, normalized size = 1.4 \begin{align*} -{\frac{A}{2\,a{x}^{2}} \left ( b{x}^{2}+a \right ) ^{{\frac{5}{2}}}}+{\frac{Ab}{2\,a} \left ( b{x}^{2}+a \right ) ^{{\frac{3}{2}}}}-{\frac{3\,Ab}{2}\sqrt{a}\ln \left ({\frac{1}{x} \left ( 2\,a+2\,\sqrt{a}\sqrt{b{x}^{2}+a} \right ) } \right ) }+{\frac{3\,Ab}{2}\sqrt{b{x}^{2}+a}}-{\frac{B}{ax} \left ( b{x}^{2}+a \right ) ^{{\frac{5}{2}}}}+{\frac{bBx}{a} \left ( b{x}^{2}+a \right ) ^{{\frac{3}{2}}}}+{\frac{3\,bBx}{2}\sqrt{b{x}^{2}+a}}+{\frac{3\,Ba}{2}\sqrt{b}\ln \left ( x\sqrt{b}+\sqrt{b{x}^{2}+a} \right ) } \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 = 1.71483, size = 1048, normalized size = 9.44 \begin{align*} \left [\frac{3 \, B a \sqrt{b} x^{2} \log \left (-2 \, b x^{2} - 2 \, \sqrt{b x^{2} + a} \sqrt{b} x - a\right ) + 3 \, A \sqrt{a} b x^{2} \log \left (-\frac{b x^{2} - 2 \, \sqrt{b x^{2} + a} \sqrt{a} + 2 \, a}{x^{2}}\right ) + 2 \,{\left (B b x^{3} + 2 \, A b x^{2} - 2 \, B a x - A a\right )} \sqrt{b x^{2} + a}}{4 \, x^{2}}, -\frac{6 \, B a \sqrt{-b} x^{2} \arctan \left (\frac{\sqrt{-b} x}{\sqrt{b x^{2} + a}}\right ) - 3 \, A \sqrt{a} b x^{2} \log \left (-\frac{b x^{2} - 2 \, \sqrt{b x^{2} + a} \sqrt{a} + 2 \, a}{x^{2}}\right ) - 2 \,{\left (B b x^{3} + 2 \, A b x^{2} - 2 \, B a x - A a\right )} \sqrt{b x^{2} + a}}{4 \, x^{2}}, \frac{6 \, A \sqrt{-a} b x^{2} \arctan \left (\frac{\sqrt{-a}}{\sqrt{b x^{2} + a}}\right ) + 3 \, B a \sqrt{b} x^{2} \log \left (-2 \, b x^{2} - 2 \, \sqrt{b x^{2} + a} \sqrt{b} x - a\right ) + 2 \,{\left (B b x^{3} + 2 \, A b x^{2} - 2 \, B a x - A a\right )} \sqrt{b x^{2} + a}}{4 \, x^{2}}, -\frac{3 \, B a \sqrt{-b} x^{2} \arctan \left (\frac{\sqrt{-b} x}{\sqrt{b x^{2} + a}}\right ) - 3 \, A \sqrt{-a} b x^{2} \arctan \left (\frac{\sqrt{-a}}{\sqrt{b x^{2} + a}}\right ) -{\left (B b x^{3} + 2 \, A b x^{2} - 2 \, B a x - A a\right )} \sqrt{b x^{2} + a}}{2 \, x^{2}}\right ] \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 6.86172, size = 182, normalized size = 1.64 \begin{align*} - \frac{3 A \sqrt{a} b \operatorname{asinh}{\left (\frac{\sqrt{a}}{\sqrt{b} x} \right )}}{2} - \frac{A a \sqrt{b} \sqrt{\frac{a}{b x^{2}} + 1}}{2 x} + \frac{A a \sqrt{b}}{x \sqrt{\frac{a}{b x^{2}} + 1}} + \frac{A b^{\frac{3}{2}} x}{\sqrt{\frac{a}{b x^{2}} + 1}} - \frac{B a^{\frac{3}{2}}}{x \sqrt{1 + \frac{b x^{2}}{a}}} + \frac{B \sqrt{a} b x \sqrt{1 + \frac{b x^{2}}{a}}}{2} - \frac{B \sqrt{a} b x}{\sqrt{1 + \frac{b x^{2}}{a}}} + \frac{3 B a \sqrt{b} \operatorname{asinh}{\left (\frac{\sqrt{b} x}{\sqrt{a}} \right )}}{2} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [B] time = 1.24109, size = 258, normalized size = 2.32 \begin{align*} \frac{3 \, A a b \arctan \left (-\frac{\sqrt{b} x - \sqrt{b x^{2} + a}}{\sqrt{-a}}\right )}{\sqrt{-a}} - \frac{3}{2} \, B a \sqrt{b} \log \left ({\left | -\sqrt{b} x + \sqrt{b x^{2} + a} \right |}\right ) + \frac{1}{2} \,{\left (B b x + 2 \, A b\right )} \sqrt{b x^{2} + a} + \frac{{\left (\sqrt{b} x - \sqrt{b x^{2} + a}\right )}^{3} A a b + 2 \,{\left (\sqrt{b} x - \sqrt{b x^{2} + a}\right )}^{2} B a^{2} \sqrt{b} +{\left (\sqrt{b} x - \sqrt{b x^{2} + a}\right )} A a^{2} b - 2 \, B a^{3} \sqrt{b}}{{\left ({\left (\sqrt{b} x - \sqrt{b x^{2} + a}\right )}^{2} - a\right )}^{2}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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