Optimal. Leaf size=133 \[ \frac{\sqrt{\pi } g^2 (d+e x)^3 \left (c (d+e x)^n\right )^{-3/n} \exp \left (-\frac{3 (4 a b f n \log (F)+3)}{4 b^2 f n^2 \log (F)}\right ) \text{Erfi}\left (\frac{2 a b f \log (F)+2 b^2 f \log (F) \log \left (c (d+e x)^n\right )+\frac{3}{n}}{2 b \sqrt{f} \sqrt{\log (F)}}\right )}{2 b e \sqrt{f} n \sqrt{\log (F)}} \]
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Rubi [A] time = 0.410737, antiderivative size = 133, normalized size of antiderivative = 1., number of steps used = 8, number of rules used = 7, integrand size = 31, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.226, Rules used = {12, 2278, 2274, 15, 2276, 2234, 2204} \[ \frac{\sqrt{\pi } g^2 (d+e x)^3 \left (c (d+e x)^n\right )^{-3/n} \exp \left (-\frac{3 (4 a b f n \log (F)+3)}{4 b^2 f n^2 \log (F)}\right ) \text{Erfi}\left (\frac{2 a b f \log (F)+2 b^2 f \log (F) \log \left (c (d+e x)^n\right )+\frac{3}{n}}{2 b \sqrt{f} \sqrt{\log (F)}}\right )}{2 b e \sqrt{f} n \sqrt{\log (F)}} \]
Antiderivative was successfully verified.
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Rule 12
Rule 2278
Rule 2274
Rule 15
Rule 2276
Rule 2234
Rule 2204
Rubi steps
\begin{align*} \int F^{f \left (a+b \log \left (c (d+e x)^n\right )\right )^2} (d g+e g x)^2 \, dx &=\frac{\operatorname{Subst}\left (\int F^{f \left (a+b \log \left (c x^n\right )\right )^2} g^2 x^2 \, dx,x,d+e x\right )}{e}\\ &=\frac{g^2 \operatorname{Subst}\left (\int F^{f \left (a+b \log \left (c x^n\right )\right )^2} x^2 \, dx,x,d+e x\right )}{e}\\ &=\frac{g^2 \operatorname{Subst}\left (\int F^{a^2 f+2 a b f \log \left (c x^n\right )+b^2 f \log ^2\left (c x^n\right )} x^2 \, dx,x,d+e x\right )}{e}\\ &=\frac{g^2 \operatorname{Subst}\left (\int F^{a^2 f+b^2 f \log ^2\left (c x^n\right )} x^2 \left (c x^n\right )^{2 a b f \log (F)} \, dx,x,d+e x\right )}{e}\\ &=\frac{\left (g^2 (d+e x)^{-2 a b f n \log (F)} \left (c (d+e x)^n\right )^{2 a b f \log (F)}\right ) \operatorname{Subst}\left (\int F^{a^2 f+b^2 f \log ^2\left (c x^n\right )} x^{2+2 a b f n \log (F)} \, dx,x,d+e x\right )}{e}\\ &=\frac{\left (g^2 (d+e x)^3 \left (c (d+e x)^n\right )^{2 a b f \log (F)-\frac{3+2 a b f n \log (F)}{n}}\right ) \operatorname{Subst}\left (\int \exp \left (a^2 f \log (F)+b^2 f x^2 \log (F)+\frac{x (3+2 a b f n \log (F))}{n}\right ) \, dx,x,\log \left (c (d+e x)^n\right )\right )}{e n}\\ &=\frac{\left (\exp \left (a^2 f \log (F)-\frac{(3+2 a b f n \log (F))^2}{4 b^2 f n^2 \log (F)}\right ) g^2 (d+e x)^3 \left (c (d+e x)^n\right )^{2 a b f \log (F)-\frac{3+2 a b f n \log (F)}{n}}\right ) \operatorname{Subst}\left (\int \exp \left (\frac{\left (2 b^2 f x \log (F)+\frac{3+2 a b f n \log (F)}{n}\right )^2}{4 b^2 f \log (F)}\right ) \, dx,x,\log \left (c (d+e x)^n\right )\right )}{e n}\\ &=\frac{\exp \left (-\frac{3 (3+4 a b f n \log (F))}{4 b^2 f n^2 \log (F)}\right ) g^2 \sqrt{\pi } (d+e x)^3 \left (c (d+e x)^n\right )^{-3/n} \text{erfi}\left (\frac{\frac{3}{n}+2 a b f \log (F)+2 b^2 f \log (F) \log \left (c (d+e x)^n\right )}{2 b \sqrt{f} \sqrt{\log (F)}}\right )}{2 b e \sqrt{f} n \sqrt{\log (F)}}\\ \end{align*}
Mathematica [A] time = 0.34262, size = 129, normalized size = 0.97 \[ \frac{\sqrt{\pi } g^2 \text{Erfi}\left (\frac{2 b f n \log (F) \left (a+b \log \left (c (d+e x)^n\right )\right )+3}{2 b \sqrt{f} n \sqrt{\log (F)}}\right ) \exp \left (-\frac{3 \left (4 b f n \log (F) \left (a+b \left (\log \left (c (d+e x)^n\right )-n \log (d+e x)\right )\right )+3\right )}{4 b^2 f n^2 \log (F)}\right )}{2 b e \sqrt{f} n \sqrt{\log (F)}} \]
Antiderivative was successfully verified.
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Maple [F] time = 0.441, size = 0, normalized size = 0. \begin{align*} \int{F}^{f \left ( a+b\ln \left ( c \left ( ex+d \right ) ^{n} \right ) \right ) ^{2}} \left ( egx+dg \right ) ^{2}\, 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 (e g x + d g\right )}^{2} F^{{\left (b \log \left ({\left (e x + d\right )}^{n} c\right ) + a\right )}^{2} f}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.0033, size = 355, normalized size = 2.67 \begin{align*} -\frac{\sqrt{\pi } \sqrt{-b^{2} f n^{2} \log \left (F\right )} g^{2} \operatorname{erf}\left (\frac{{\left (2 \, b^{2} f n^{2} \log \left (e x + d\right ) \log \left (F\right ) + 2 \, b^{2} f n \log \left (F\right ) \log \left (c\right ) + 2 \, a b f n \log \left (F\right ) + 3\right )} \sqrt{-b^{2} f n^{2} \log \left (F\right )}}{2 \, b^{2} f n^{2} \log \left (F\right )}\right ) e^{\left (-\frac{3 \,{\left (4 \, b^{2} f n \log \left (F\right ) \log \left (c\right ) + 4 \, a b f n \log \left (F\right ) + 3\right )}}{4 \, b^{2} f n^{2} \log \left (F\right )}\right )}}{2 \, b e n} \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{\left (e g x + d g\right )}^{2} F^{{\left (b \log \left ({\left (e x + d\right )}^{n} c\right ) + a\right )}^{2} f}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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