Optimal. Leaf size=310 \[ \frac{2 x \text{PolyLog}\left (2,-\frac{2 c f^{c+d x}}{a-\sqrt{a^2-4 b c}}\right )}{d^2 \log ^2(f) \sqrt{a^2-4 b c}}-\frac{2 x \text{PolyLog}\left (2,-\frac{2 c f^{c+d x}}{\sqrt{a^2-4 b c}+a}\right )}{d^2 \log ^2(f) \sqrt{a^2-4 b c}}-\frac{2 \text{PolyLog}\left (3,-\frac{2 c f^{c+d x}}{a-\sqrt{a^2-4 b c}}\right )}{d^3 \log ^3(f) \sqrt{a^2-4 b c}}+\frac{2 \text{PolyLog}\left (3,-\frac{2 c f^{c+d x}}{\sqrt{a^2-4 b c}+a}\right )}{d^3 \log ^3(f) \sqrt{a^2-4 b c}}+\frac{x^2 \log \left (\frac{2 c f^{c+d x}}{a-\sqrt{a^2-4 b c}}+1\right )}{d \log (f) \sqrt{a^2-4 b c}}-\frac{x^2 \log \left (\frac{2 c f^{c+d x}}{\sqrt{a^2-4 b c}+a}+1\right )}{d \log (f) \sqrt{a^2-4 b c}} \]
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Rubi [A] time = 0.659629, antiderivative size = 310, normalized size of antiderivative = 1., number of steps used = 10, number of rules used = 6, integrand size = 29, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.207, Rules used = {2267, 2264, 2190, 2531, 2282, 6589} \[ \frac{2 x \text{PolyLog}\left (2,-\frac{2 c f^{c+d x}}{a-\sqrt{a^2-4 b c}}\right )}{d^2 \log ^2(f) \sqrt{a^2-4 b c}}-\frac{2 x \text{PolyLog}\left (2,-\frac{2 c f^{c+d x}}{\sqrt{a^2-4 b c}+a}\right )}{d^2 \log ^2(f) \sqrt{a^2-4 b c}}-\frac{2 \text{PolyLog}\left (3,-\frac{2 c f^{c+d x}}{a-\sqrt{a^2-4 b c}}\right )}{d^3 \log ^3(f) \sqrt{a^2-4 b c}}+\frac{2 \text{PolyLog}\left (3,-\frac{2 c f^{c+d x}}{\sqrt{a^2-4 b c}+a}\right )}{d^3 \log ^3(f) \sqrt{a^2-4 b c}}+\frac{x^2 \log \left (\frac{2 c f^{c+d x}}{a-\sqrt{a^2-4 b c}}+1\right )}{d \log (f) \sqrt{a^2-4 b c}}-\frac{x^2 \log \left (\frac{2 c f^{c+d x}}{\sqrt{a^2-4 b c}+a}+1\right )}{d \log (f) \sqrt{a^2-4 b c}} \]
Antiderivative was successfully verified.
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Rule 2267
Rule 2264
Rule 2190
Rule 2531
Rule 2282
Rule 6589
Rubi steps
\begin{align*} \int \frac{x^2}{a+b f^{-c-d x}+c f^{c+d x}} \, dx &=\int \frac{f^{c+d x} x^2}{b+a f^{c+d x}+c f^{2 (c+d x)}} \, dx\\ &=\frac{(2 c) \int \frac{f^{c+d x} x^2}{a-\sqrt{a^2-4 b c}+2 c f^{c+d x}} \, dx}{\sqrt{a^2-4 b c}}-\frac{(2 c) \int \frac{f^{c+d x} x^2}{a+\sqrt{a^2-4 b c}+2 c f^{c+d x}} \, dx}{\sqrt{a^2-4 b c}}\\ &=\frac{x^2 \log \left (1+\frac{2 c f^{c+d x}}{a-\sqrt{a^2-4 b c}}\right )}{\sqrt{a^2-4 b c} d \log (f)}-\frac{x^2 \log \left (1+\frac{2 c f^{c+d x}}{a+\sqrt{a^2-4 b c}}\right )}{\sqrt{a^2-4 b c} d \log (f)}-\frac{2 \int x \log \left (1+\frac{2 c f^{c+d x}}{a-\sqrt{a^2-4 b c}}\right ) \, dx}{\sqrt{a^2-4 b c} d \log (f)}+\frac{2 \int x \log \left (1+\frac{2 c f^{c+d x}}{a+\sqrt{a^2-4 b c}}\right ) \, dx}{\sqrt{a^2-4 b c} d \log (f)}\\ &=\frac{x^2 \log \left (1+\frac{2 c f^{c+d x}}{a-\sqrt{a^2-4 b c}}\right )}{\sqrt{a^2-4 b c} d \log (f)}-\frac{x^2 \log \left (1+\frac{2 c f^{c+d x}}{a+\sqrt{a^2-4 b c}}\right )}{\sqrt{a^2-4 b c} d \log (f)}+\frac{2 x \text{Li}_2\left (-\frac{2 c f^{c+d x}}{a-\sqrt{a^2-4 b c}}\right )}{\sqrt{a^2-4 b c} d^2 \log ^2(f)}-\frac{2 x \text{Li}_2\left (-\frac{2 c f^{c+d x}}{a+\sqrt{a^2-4 b c}}\right )}{\sqrt{a^2-4 b c} d^2 \log ^2(f)}-\frac{2 \int \text{Li}_2\left (-\frac{2 c f^{c+d x}}{a-\sqrt{a^2-4 b c}}\right ) \, dx}{\sqrt{a^2-4 b c} d^2 \log ^2(f)}+\frac{2 \int \text{Li}_2\left (-\frac{2 c f^{c+d x}}{a+\sqrt{a^2-4 b c}}\right ) \, dx}{\sqrt{a^2-4 b c} d^2 \log ^2(f)}\\ &=\frac{x^2 \log \left (1+\frac{2 c f^{c+d x}}{a-\sqrt{a^2-4 b c}}\right )}{\sqrt{a^2-4 b c} d \log (f)}-\frac{x^2 \log \left (1+\frac{2 c f^{c+d x}}{a+\sqrt{a^2-4 b c}}\right )}{\sqrt{a^2-4 b c} d \log (f)}+\frac{2 x \text{Li}_2\left (-\frac{2 c f^{c+d x}}{a-\sqrt{a^2-4 b c}}\right )}{\sqrt{a^2-4 b c} d^2 \log ^2(f)}-\frac{2 x \text{Li}_2\left (-\frac{2 c f^{c+d x}}{a+\sqrt{a^2-4 b c}}\right )}{\sqrt{a^2-4 b c} d^2 \log ^2(f)}-\frac{2 \operatorname{Subst}\left (\int \frac{\text{Li}_2\left (\frac{2 c x}{-a+\sqrt{a^2-4 b c}}\right )}{x} \, dx,x,f^{c+d x}\right )}{\sqrt{a^2-4 b c} d^3 \log ^3(f)}+\frac{2 \operatorname{Subst}\left (\int \frac{\text{Li}_2\left (-\frac{2 c x}{a+\sqrt{a^2-4 b c}}\right )}{x} \, dx,x,f^{c+d x}\right )}{\sqrt{a^2-4 b c} d^3 \log ^3(f)}\\ &=\frac{x^2 \log \left (1+\frac{2 c f^{c+d x}}{a-\sqrt{a^2-4 b c}}\right )}{\sqrt{a^2-4 b c} d \log (f)}-\frac{x^2 \log \left (1+\frac{2 c f^{c+d x}}{a+\sqrt{a^2-4 b c}}\right )}{\sqrt{a^2-4 b c} d \log (f)}+\frac{2 x \text{Li}_2\left (-\frac{2 c f^{c+d x}}{a-\sqrt{a^2-4 b c}}\right )}{\sqrt{a^2-4 b c} d^2 \log ^2(f)}-\frac{2 x \text{Li}_2\left (-\frac{2 c f^{c+d x}}{a+\sqrt{a^2-4 b c}}\right )}{\sqrt{a^2-4 b c} d^2 \log ^2(f)}-\frac{2 \text{Li}_3\left (-\frac{2 c f^{c+d x}}{a-\sqrt{a^2-4 b c}}\right )}{\sqrt{a^2-4 b c} d^3 \log ^3(f)}+\frac{2 \text{Li}_3\left (-\frac{2 c f^{c+d x}}{a+\sqrt{a^2-4 b c}}\right )}{\sqrt{a^2-4 b c} d^3 \log ^3(f)}\\ \end{align*}
Mathematica [F] time = 0.191929, size = 0, normalized size = 0. \[ \int \frac{x^2}{a+b f^{-c-d x}+c f^{c+d x}} \, dx \]
Verification is Not applicable to the result.
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Maple [F] time = 0.115, size = 0, normalized size = 0. \begin{align*} \int{\frac{{x}^{2}}{a+b{f}^{-dx-c}+c{f}^{dx+c}}}\, dx \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 [C] time = 1.41278, size = 1164, normalized size = 3.75 \begin{align*} -\frac{b c^{2} \sqrt{\frac{a^{2} - 4 \, b c}{b^{2}}} \log \left (2 \, c f^{d x + c} + b \sqrt{\frac{a^{2} - 4 \, b c}{b^{2}}} + a\right ) \log \left (f\right )^{2} - b c^{2} \sqrt{\frac{a^{2} - 4 \, b c}{b^{2}}} \log \left (2 \, c f^{d x + c} - b \sqrt{\frac{a^{2} - 4 \, b c}{b^{2}}} + a\right ) \log \left (f\right )^{2} - 2 \, b d x \sqrt{\frac{a^{2} - 4 \, b c}{b^{2}}}{\rm Li}_2\left (-\frac{{\left (b \sqrt{\frac{a^{2} - 4 \, b c}{b^{2}}} + a\right )} f^{d x + c} + 2 \, b}{2 \, b} + 1\right ) \log \left (f\right ) + 2 \, b d x \sqrt{\frac{a^{2} - 4 \, b c}{b^{2}}}{\rm Li}_2\left (\frac{{\left (b \sqrt{\frac{a^{2} - 4 \, b c}{b^{2}}} - a\right )} f^{d x + c} - 2 \, b}{2 \, b} + 1\right ) \log \left (f\right ) -{\left (b d^{2} x^{2} - b c^{2}\right )} \sqrt{\frac{a^{2} - 4 \, b c}{b^{2}}} \log \left (f\right )^{2} \log \left (\frac{{\left (b \sqrt{\frac{a^{2} - 4 \, b c}{b^{2}}} + a\right )} f^{d x + c} + 2 \, b}{2 \, b}\right ) +{\left (b d^{2} x^{2} - b c^{2}\right )} \sqrt{\frac{a^{2} - 4 \, b c}{b^{2}}} \log \left (f\right )^{2} \log \left (-\frac{{\left (b \sqrt{\frac{a^{2} - 4 \, b c}{b^{2}}} - a\right )} f^{d x + c} - 2 \, b}{2 \, b}\right ) + 2 \, b \sqrt{\frac{a^{2} - 4 \, b c}{b^{2}}}{\rm polylog}\left (3, -\frac{{\left (b \sqrt{\frac{a^{2} - 4 \, b c}{b^{2}}} + a\right )} f^{d x + c}}{2 \, b}\right ) - 2 \, b \sqrt{\frac{a^{2} - 4 \, b c}{b^{2}}}{\rm polylog}\left (3, \frac{{\left (b \sqrt{\frac{a^{2} - 4 \, b c}{b^{2}}} - a\right )} f^{d x + c}}{2 \, b}\right )}{{\left (a^{2} - 4 \, b c\right )} d^{3} \log \left (f\right )^{3}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F(-1)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Timed out} \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^{2}}{c f^{d x + c} + b f^{-d x - c} + a}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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