Optimal. Leaf size=62 \[ \frac{(c+d x)^2 F^{a+b (c+d x)^2}}{2 b d \log (F)}-\frac{F^{a+b (c+d x)^2}}{2 b^2 d \log ^2(F)} \]
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Rubi [A] time = 0.104733, antiderivative size = 62, normalized size of antiderivative = 1., number of steps used = 2, number of rules used = 2, integrand size = 21, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.095, Rules used = {2212, 2209} \[ \frac{(c+d x)^2 F^{a+b (c+d x)^2}}{2 b d \log (F)}-\frac{F^{a+b (c+d x)^2}}{2 b^2 d \log ^2(F)} \]
Antiderivative was successfully verified.
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Rule 2212
Rule 2209
Rubi steps
\begin{align*} \int F^{a+b (c+d x)^2} (c+d x)^3 \, dx &=\frac{F^{a+b (c+d x)^2} (c+d x)^2}{2 b d \log (F)}-\frac{\int F^{a+b (c+d x)^2} (c+d x) \, dx}{b \log (F)}\\ &=-\frac{F^{a+b (c+d x)^2}}{2 b^2 d \log ^2(F)}+\frac{F^{a+b (c+d x)^2} (c+d x)^2}{2 b d \log (F)}\\ \end{align*}
Mathematica [A] time = 0.0218805, size = 40, normalized size = 0.65 \[ \frac{F^{a+b (c+d x)^2} \left (b \log (F) (c+d x)^2-1\right )}{2 b^2 d \log ^2(F)} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.007, size = 63, normalized size = 1. \begin{align*}{\frac{ \left ( \ln \left ( F \right ) b{d}^{2}{x}^{2}+2\,\ln \left ( F \right ) bcdx+\ln \left ( F \right ) b{c}^{2}-1 \right ){F}^{b{d}^{2}{x}^{2}+2\,bcdx+{c}^{2}b+a}}{2\, \left ( \ln \left ( F \right ) \right ) ^{2}{b}^{2}d}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [C] time = 1.68766, size = 965, normalized size = 15.56 \begin{align*} \text{result too large to display} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.49666, size = 142, normalized size = 2.29 \begin{align*} \frac{{\left ({\left (b d^{2} x^{2} + 2 \, b c d x + b c^{2}\right )} \log \left (F\right ) - 1\right )} F^{b d^{2} x^{2} + 2 \, b c d x + b c^{2} + a}}{2 \, b^{2} d \log \left (F\right )^{2}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 0.171906, size = 100, normalized size = 1.61 \begin{align*} \begin{cases} \frac{F^{a + b \left (c + d x\right )^{2}} \left (b c^{2} \log{\left (F \right )} + 2 b c d x \log{\left (F \right )} + b d^{2} x^{2} \log{\left (F \right )} - 1\right )}{2 b^{2} d \log{\left (F \right )}^{2}} & \text{for}\: 2 b^{2} d \log{\left (F \right )}^{2} \neq 0 \\c^{3} x + \frac{3 c^{2} d x^{2}}{2} + c d^{2} x^{3} + \frac{d^{3} x^{4}}{4} & \text{otherwise} \end{cases} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.27073, size = 82, normalized size = 1.32 \begin{align*} \frac{{\left (b d^{2}{\left (x + \frac{c}{d}\right )}^{2} \log \left (F\right ) - 1\right )} e^{\left (b d^{2} x^{2} \log \left (F\right ) + 2 \, b c d x \log \left (F\right ) + b c^{2} \log \left (F\right ) + a \log \left (F\right )\right )}}{2 \, b^{2} d \log \left (F\right )^{2}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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