Optimal. Leaf size=36 \[ \frac{x^{m+1} \, _2F_1\left (2,\frac{m+1}{2};\frac{m+3}{2};-\frac{a x^2}{b}\right )}{m+1} \]
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Rubi [A] time = 0.0078092, antiderivative size = 36, normalized size of antiderivative = 1., number of steps used = 1, number of rules used = 1, integrand size = 16, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.062, Rules used = {364} \[ \frac{x^{m+1} \, _2F_1\left (2,\frac{m+1}{2};\frac{m+3}{2};-\frac{a x^2}{b}\right )}{m+1} \]
Antiderivative was successfully verified.
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Rule 364
Rubi steps
\begin{align*} \int \frac{x^m}{\left (1+\frac{a x^2}{b}\right )^2} \, dx &=\frac{x^{1+m} \, _2F_1\left (2,\frac{1+m}{2};\frac{3+m}{2};-\frac{a x^2}{b}\right )}{1+m}\\ \end{align*}
Mathematica [A] time = 0.0085049, size = 38, normalized size = 1.06 \[ \frac{x^{m+1} \, _2F_1\left (2,\frac{m+1}{2};\frac{m+1}{2}+1;-\frac{a x^2}{b}\right )}{m+1} \]
Antiderivative was successfully verified.
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Maple [C] time = 0.05, size = 92, normalized size = 2.6 \begin{align*}{\frac{1}{2} \left ({\frac{a}{b}} \right ) ^{-{\frac{1}{2}}-{\frac{m}{2}}} \left ( 2\,{{x}^{1+m} \left ({\frac{a}{b}} \right ) ^{1/2+m/2} \left ( 2+2\,{\frac{a{x}^{2}}{b}} \right ) ^{-1}}+2\,{\frac{{x}^{1+m} \left ( -1/4\,{m}^{2}+1/4 \right ) }{1+m} \left ({\frac{a}{b}} \right ) ^{1/2+m/2}{\it LerchPhi} \left ( -{\frac{a{x}^{2}}{b}},1,1/2+m/2 \right ) } \right ) } \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{x^{m}}{{\left (\frac{a x^{2}}{b} + 1\right )}^{2}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [F] time = 0., size = 0, normalized size = 0. \begin{align*}{\rm integral}\left (\frac{b^{2} x^{m}}{a^{2} x^{4} + 2 \, a b x^{2} + b^{2}}, x\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [C] time = 7.30806, size = 343, normalized size = 9.53 \begin{align*} - \frac{a m^{2} x^{3} x^{m} \Phi \left (\frac{a x^{2} e^{i \pi }}{b}, 1, \frac{m}{2} + \frac{1}{2}\right ) \Gamma \left (\frac{m}{2} + \frac{1}{2}\right )}{8 a x^{2} \Gamma \left (\frac{m}{2} + \frac{3}{2}\right ) + 8 b \Gamma \left (\frac{m}{2} + \frac{3}{2}\right )} + \frac{a x^{3} x^{m} \Phi \left (\frac{a x^{2} e^{i \pi }}{b}, 1, \frac{m}{2} + \frac{1}{2}\right ) \Gamma \left (\frac{m}{2} + \frac{1}{2}\right )}{8 a x^{2} \Gamma \left (\frac{m}{2} + \frac{3}{2}\right ) + 8 b \Gamma \left (\frac{m}{2} + \frac{3}{2}\right )} - \frac{b m^{2} x x^{m} \Phi \left (\frac{a x^{2} e^{i \pi }}{b}, 1, \frac{m}{2} + \frac{1}{2}\right ) \Gamma \left (\frac{m}{2} + \frac{1}{2}\right )}{8 a x^{2} \Gamma \left (\frac{m}{2} + \frac{3}{2}\right ) + 8 b \Gamma \left (\frac{m}{2} + \frac{3}{2}\right )} + \frac{2 b m x x^{m} \Gamma \left (\frac{m}{2} + \frac{1}{2}\right )}{8 a x^{2} \Gamma \left (\frac{m}{2} + \frac{3}{2}\right ) + 8 b \Gamma \left (\frac{m}{2} + \frac{3}{2}\right )} + \frac{b x x^{m} \Phi \left (\frac{a x^{2} e^{i \pi }}{b}, 1, \frac{m}{2} + \frac{1}{2}\right ) \Gamma \left (\frac{m}{2} + \frac{1}{2}\right )}{8 a x^{2} \Gamma \left (\frac{m}{2} + \frac{3}{2}\right ) + 8 b \Gamma \left (\frac{m}{2} + \frac{3}{2}\right )} + \frac{2 b x x^{m} \Gamma \left (\frac{m}{2} + \frac{1}{2}\right )}{8 a x^{2} \Gamma \left (\frac{m}{2} + \frac{3}{2}\right ) + 8 b \Gamma \left (\frac{m}{2} + \frac{3}{2}\right )} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{x^{m}}{{\left (\frac{a x^{2}}{b} + 1\right )}^{2}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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