Optimal. Leaf size=42 \[ \frac{18^n x^{m+1} \, _2F_1\left (\frac{m+1}{2},-n;\frac{m+3}{2};\frac{4 a^2 x^2}{9}\right )}{m+1} \]
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Rubi [A] time = 0.0128489, antiderivative size = 42, normalized size of antiderivative = 1., number of steps used = 2, number of rules used = 2, integrand size = 20, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.1, Rules used = {125, 364} \[ \frac{18^n x^{m+1} \, _2F_1\left (\frac{m+1}{2},-n;\frac{m+3}{2};\frac{4 a^2 x^2}{9}\right )}{m+1} \]
Antiderivative was successfully verified.
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Rule 125
Rule 364
Rubi steps
\begin{align*} \int x^m (3-2 a x)^n (6+4 a x)^n \, dx &=\int x^m \left (18-8 a^2 x^2\right )^n \, dx\\ &=\frac{18^n x^{1+m} \, _2F_1\left (\frac{1+m}{2},-n;\frac{3+m}{2};\frac{4 a^2 x^2}{9}\right )}{1+m}\\ \end{align*}
Mathematica [A] time = 0.0145827, size = 69, normalized size = 1.64 \[ \frac{x^{m+1} (54-36 a x)^n (4 a x+6)^n \left (18-8 a^2 x^2\right )^{-n} \, _2F_1\left (\frac{m+1}{2},-n;\frac{m+3}{2};\frac{4 a^2 x^2}{9}\right )}{m+1} \]
Antiderivative was successfully verified.
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Maple [F] time = 0.141, size = 0, normalized size = 0. \begin{align*} \int{x}^{m} \left ( -2\,ax+3 \right ) ^{n} \left ( 4\,ax+6 \right ) ^{n}\, dx \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{\left (4 \, a x + 6\right )}^{n}{\left (-2 \, a x + 3\right )}^{n} x^{m}\,{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 ({\left (4 \, a x + 6\right )}^{n}{\left (-2 \, a x + 3\right )}^{n} x^{m}, x\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [C] time = 154.564, size = 238, normalized size = 5.67 \begin{align*} - \frac{3 \cdot 18^{n} 4^{- \frac{m}{2}} \cdot 9^{\frac{m}{2}} a^{- m}{G_{6, 6}^{5, 3}\left (\begin{matrix} - \frac{m}{2} - \frac{n}{2}, - \frac{m}{2} - \frac{n}{2} + \frac{1}{2}, 1 & \frac{1}{2} - \frac{m}{2}, - \frac{m}{2} - n, - \frac{m}{2} - n + \frac{1}{2} \\- \frac{m}{2} - n - \frac{1}{2}, - \frac{m}{2} - n, - \frac{m}{2} - \frac{n}{2}, - \frac{m}{2} - n + \frac{1}{2}, - \frac{m}{2} - \frac{n}{2} + \frac{1}{2} & 0 \end{matrix} \middle |{\frac{9}{4 a^{2} x^{2}}} \right )} e^{i \pi n}}{8 \pi a \Gamma \left (- n\right )} + \frac{3 \cdot 18^{n} 4^{- \frac{m}{2}} \cdot 9^{\frac{m}{2}} a^{- m}{G_{6, 6}^{2, 6}\left (\begin{matrix} - \frac{m}{2} - \frac{1}{2}, - \frac{m}{2}, \frac{1}{2} - \frac{m}{2}, - \frac{m}{2} - \frac{n}{2} - \frac{1}{2}, - \frac{m}{2} - \frac{n}{2}, 1 & \\- \frac{m}{2} - \frac{n}{2} - \frac{1}{2}, - \frac{m}{2} - \frac{n}{2} & - \frac{m}{2} - \frac{1}{2}, - \frac{m}{2}, - \frac{m}{2} - n - \frac{1}{2}, 0 \end{matrix} \middle |{\frac{9 e^{- 2 i \pi }}{4 a^{2} x^{2}}} \right )} e^{- i \pi m}}{8 \pi a \Gamma \left (- n\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{\left (4 \, a x + 6\right )}^{n}{\left (-2 \, a x + 3\right )}^{n} x^{m}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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