Optimal. Leaf size=102 \[ \frac{2 \sqrt{\pi } b^{3/2} F^a \log ^{\frac{3}{2}}(F) \text{Erfi}\left (\sqrt{b} \sqrt{\log (F)} (c+d x)\right )}{3 d}-\frac{F^{a+b (c+d x)^2}}{3 d (c+d x)^3}-\frac{2 b \log (F) F^{a+b (c+d x)^2}}{3 d (c+d x)} \]
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Rubi [A] time = 0.145172, antiderivative size = 102, normalized size of antiderivative = 1., number of steps used = 3, number of rules used = 2, integrand size = 21, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.095, Rules used = {2214, 2204} \[ \frac{2 \sqrt{\pi } b^{3/2} F^a \log ^{\frac{3}{2}}(F) \text{Erfi}\left (\sqrt{b} \sqrt{\log (F)} (c+d x)\right )}{3 d}-\frac{F^{a+b (c+d x)^2}}{3 d (c+d x)^3}-\frac{2 b \log (F) F^{a+b (c+d x)^2}}{3 d (c+d x)} \]
Antiderivative was successfully verified.
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Rule 2214
Rule 2204
Rubi steps
\begin{align*} \int \frac{F^{a+b (c+d x)^2}}{(c+d x)^4} \, dx &=-\frac{F^{a+b (c+d x)^2}}{3 d (c+d x)^3}+\frac{1}{3} (2 b \log (F)) \int \frac{F^{a+b (c+d x)^2}}{(c+d x)^2} \, dx\\ &=-\frac{F^{a+b (c+d x)^2}}{3 d (c+d x)^3}-\frac{2 b F^{a+b (c+d x)^2} \log (F)}{3 d (c+d x)}+\frac{1}{3} \left (4 b^2 \log ^2(F)\right ) \int F^{a+b (c+d x)^2} \, dx\\ &=-\frac{F^{a+b (c+d x)^2}}{3 d (c+d x)^3}-\frac{2 b F^{a+b (c+d x)^2} \log (F)}{3 d (c+d x)}+\frac{2 b^{3/2} F^a \sqrt{\pi } \text{erfi}\left (\sqrt{b} (c+d x) \sqrt{\log (F)}\right ) \log ^{\frac{3}{2}}(F)}{3 d}\\ \end{align*}
Mathematica [A] time = 0.0972484, size = 81, normalized size = 0.79 \[ \frac{F^a \left (2 \sqrt{\pi } b^{3/2} \log ^{\frac{3}{2}}(F) \text{Erfi}\left (\sqrt{b} \sqrt{\log (F)} (c+d x)\right )-\frac{F^{b (c+d x)^2} \left (2 b \log (F) (c+d x)^2+1\right )}{(c+d x)^3}\right )}{3 d} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.049, size = 96, normalized size = 0.9 \begin{align*} -{\frac{{F}^{b \left ( dx+c \right ) ^{2}}{F}^{a}}{3\,d \left ( dx+c \right ) ^{3}}}-{\frac{2\,b\ln \left ( F \right ){F}^{b \left ( dx+c \right ) ^{2}}{F}^{a}}{3\, \left ( dx+c \right ) d}}+{\frac{2\,{b}^{2} \left ( \ln \left ( F \right ) \right ) ^{2}\sqrt{\pi }{F}^{a}}{3\,d}{\it Erf} \left ( \sqrt{-b\ln \left ( F \right ) } \left ( dx+c \right ) \right ){\frac{1}{\sqrt{-b\ln \left ( F \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{F^{{\left (d x + c\right )}^{2} b + a}}{{\left (d x + c\right )}^{4}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.56351, size = 373, normalized size = 3.66 \begin{align*} -\frac{2 \, \sqrt{\pi }{\left (b d^{3} x^{3} + 3 \, b c d^{2} x^{2} + 3 \, b c^{2} d x + b c^{3}\right )} \sqrt{-b d^{2} \log \left (F\right )} F^{a} \operatorname{erf}\left (\frac{\sqrt{-b d^{2} \log \left (F\right )}{\left (d x + c\right )}}{d}\right ) \log \left (F\right ) +{\left (2 \,{\left (b d^{3} x^{2} + 2 \, b c d^{2} x + b c^{2} d\right )} \log \left (F\right ) + d\right )} F^{b d^{2} x^{2} + 2 \, b c d x + b c^{2} + a}}{3 \,{\left (d^{5} x^{3} + 3 \, c d^{4} x^{2} + 3 \, c^{2} d^{3} x + c^{3} d^{2}\right )}} \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{F^{{\left (d x + c\right )}^{2} b + a}}{{\left (d x + c\right )}^{4}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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