Optimal. Leaf size=183 \[ \frac{\sqrt{\pi } f^a e^{\frac{e^2}{2 f-c \log (f)}-2 d} \text{Erf}\left (\frac{x (2 f-c \log (f))+e}{\sqrt{2 f-c \log (f)}}\right )}{8 \sqrt{2 f-c \log (f)}}+\frac{\sqrt{\pi } f^a e^{2 d-\frac{e^2}{c \log (f)+2 f}} \text{Erfi}\left (\frac{x (c \log (f)+2 f)+e}{\sqrt{c \log (f)+2 f}}\right )}{8 \sqrt{c \log (f)+2 f}}-\frac{\sqrt{\pi } f^a \text{Erfi}\left (\sqrt{c} x \sqrt{\log (f)}\right )}{4 \sqrt{c} \sqrt{\log (f)}} \]
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Rubi [A] time = 0.333797, antiderivative size = 183, normalized size of antiderivative = 1., number of steps used = 9, number of rules used = 5, integrand size = 23, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.217, Rules used = {5512, 2204, 2287, 2234, 2205} \[ \frac{\sqrt{\pi } f^a e^{\frac{e^2}{2 f-c \log (f)}-2 d} \text{Erf}\left (\frac{x (2 f-c \log (f))+e}{\sqrt{2 f-c \log (f)}}\right )}{8 \sqrt{2 f-c \log (f)}}+\frac{\sqrt{\pi } f^a e^{2 d-\frac{e^2}{c \log (f)+2 f}} \text{Erfi}\left (\frac{x (c \log (f)+2 f)+e}{\sqrt{c \log (f)+2 f}}\right )}{8 \sqrt{c \log (f)+2 f}}-\frac{\sqrt{\pi } f^a \text{Erfi}\left (\sqrt{c} x \sqrt{\log (f)}\right )}{4 \sqrt{c} \sqrt{\log (f)}} \]
Antiderivative was successfully verified.
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Rule 5512
Rule 2204
Rule 2287
Rule 2234
Rule 2205
Rubi steps
\begin{align*} \int f^{a+c x^2} \sinh ^2\left (d+e x+f x^2\right ) \, dx &=\int \left (-\frac{1}{2} f^{a+c x^2}+\frac{1}{4} e^{-2 d-2 e x-2 f x^2} f^{a+c x^2}+\frac{1}{4} e^{2 d+2 e x+2 f x^2} f^{a+c x^2}\right ) \, dx\\ &=\frac{1}{4} \int e^{-2 d-2 e x-2 f x^2} f^{a+c x^2} \, dx+\frac{1}{4} \int e^{2 d+2 e x+2 f x^2} f^{a+c x^2} \, dx-\frac{1}{2} \int f^{a+c x^2} \, dx\\ &=-\frac{f^a \sqrt{\pi } \text{erfi}\left (\sqrt{c} x \sqrt{\log (f)}\right )}{4 \sqrt{c} \sqrt{\log (f)}}+\frac{1}{4} \int \exp \left (-2 d-2 e x+a \log (f)-x^2 (2 f-c \log (f))\right ) \, dx+\frac{1}{4} \int \exp \left (2 d+2 e x+a \log (f)+x^2 (2 f+c \log (f))\right ) \, dx\\ &=-\frac{f^a \sqrt{\pi } \text{erfi}\left (\sqrt{c} x \sqrt{\log (f)}\right )}{4 \sqrt{c} \sqrt{\log (f)}}+\frac{1}{4} \left (e^{-2 d+\frac{e^2}{2 f-c \log (f)}} f^a\right ) \int \exp \left (\frac{(-2 e+2 x (-2 f+c \log (f)))^2}{4 (-2 f+c \log (f))}\right ) \, dx+\frac{1}{4} \left (e^{2 d-\frac{e^2}{2 f+c \log (f)}} f^a\right ) \int \exp \left (\frac{(2 e+2 x (2 f+c \log (f)))^2}{4 (2 f+c \log (f))}\right ) \, dx\\ &=-\frac{f^a \sqrt{\pi } \text{erfi}\left (\sqrt{c} x \sqrt{\log (f)}\right )}{4 \sqrt{c} \sqrt{\log (f)}}+\frac{e^{-2 d+\frac{e^2}{2 f-c \log (f)}} f^a \sqrt{\pi } \text{erf}\left (\frac{e+x (2 f-c \log (f))}{\sqrt{2 f-c \log (f)}}\right )}{8 \sqrt{2 f-c \log (f)}}+\frac{e^{2 d-\frac{e^2}{2 f+c \log (f)}} f^a \sqrt{\pi } \text{erfi}\left (\frac{e+x (2 f+c \log (f))}{\sqrt{2 f+c \log (f)}}\right )}{8 \sqrt{2 f+c \log (f)}}\\ \end{align*}
Mathematica [A] time = 1.42745, size = 258, normalized size = 1.41 \[ \frac{\sqrt{\pi } f^a e^{\frac{e^2}{2 f-c \log (f)}} \left (2 \left (4 f^2-c^2 \log ^2(f)\right ) e^{\frac{e^2}{c \log (f)-2 f}} \text{Erfi}\left (\sqrt{c} x \sqrt{\log (f)}\right )-\sqrt{c} \sqrt{\log (f)} \left ((2 f-c \log (f)) \sqrt{c \log (f)+2 f} (\sinh (2 d)+\cosh (2 d)) e^{\frac{4 e^2 f}{c^2 \log ^2(f)-4 f^2}} \text{Erfi}\left (\frac{c x \log (f)+e+2 f x}{\sqrt{c \log (f)+2 f}}\right )+\sqrt{2 f-c \log (f)} (c \log (f)+2 f) (\cosh (2 d)-\sinh (2 d)) \text{Erf}\left (\frac{-c x \log (f)+e+2 f x}{\sqrt{2 f-c \log (f)}}\right )\right )\right )}{8 \sqrt{c} \sqrt{\log (f)} \left (c^2 \log ^2(f)-4 f^2\right )} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.185, size = 177, normalized size = 1. \begin{align*}{\frac{\sqrt{\pi }{f}^{a}}{8}{{\rm e}^{-{\frac{2\,d\ln \left ( f \right ) c-4\,df+{e}^{2}}{-2\,f+c\ln \left ( f \right ) }}}}{\it Erf} \left ( x\sqrt{2\,f-c\ln \left ( f \right ) }+{e{\frac{1}{\sqrt{2\,f-c\ln \left ( f \right ) }}}} \right ){\frac{1}{\sqrt{2\,f-c\ln \left ( f \right ) }}}}-{\frac{\sqrt{\pi }{f}^{a}}{8}{{\rm e}^{{\frac{2\,d\ln \left ( f \right ) c+4\,df-{e}^{2}}{2\,f+c\ln \left ( f \right ) }}}}{\it Erf} \left ( -\sqrt{-c\ln \left ( f \right ) -2\,f}x+{e{\frac{1}{\sqrt{-c\ln \left ( f \right ) -2\,f}}}} \right ){\frac{1}{\sqrt{-c\ln \left ( f \right ) -2\,f}}}}-{\frac{\sqrt{\pi }{f}^{a}}{4}{\it Erf} \left ( \sqrt{-c\ln \left ( f \right ) }x \right ){\frac{1}{\sqrt{-c\ln \left ( f \right ) }}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 1.07094, size = 217, normalized size = 1.19 \begin{align*} \frac{\sqrt{\pi } f^{a} \operatorname{erf}\left (\sqrt{-c \log \left (f\right ) - 2 \, f} x - \frac{e}{\sqrt{-c \log \left (f\right ) - 2 \, f}}\right ) e^{\left (2 \, d - \frac{e^{2}}{c \log \left (f\right ) + 2 \, f}\right )}}{8 \, \sqrt{-c \log \left (f\right ) - 2 \, f}} + \frac{\sqrt{\pi } f^{a} \operatorname{erf}\left (\sqrt{-c \log \left (f\right ) + 2 \, f} x + \frac{e}{\sqrt{-c \log \left (f\right ) + 2 \, f}}\right ) e^{\left (-2 \, d - \frac{e^{2}}{c \log \left (f\right ) - 2 \, f}\right )}}{8 \, \sqrt{-c \log \left (f\right ) + 2 \, f}} - \frac{\sqrt{\pi } f^{a} \operatorname{erf}\left (\sqrt{-c \log \left (f\right )} x\right )}{4 \, \sqrt{-c \log \left (f\right )}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] time = 1.93488, size = 1118, normalized size = 6.11 \begin{align*} \frac{2 \,{\left (\sqrt{\pi }{\left (c^{2} \log \left (f\right )^{2} - 4 \, f^{2}\right )} \cosh \left (a \log \left (f\right )\right ) + \sqrt{\pi }{\left (c^{2} \log \left (f\right )^{2} - 4 \, f^{2}\right )} \sinh \left (a \log \left (f\right )\right )\right )} \sqrt{-c \log \left (f\right )} \operatorname{erf}\left (\sqrt{-c \log \left (f\right )} x\right ) -{\left (\sqrt{\pi }{\left (c^{2} \log \left (f\right )^{2} + 2 \, c f \log \left (f\right )\right )} \cosh \left (\frac{a c \log \left (f\right )^{2} - e^{2} + 4 \, d f - 2 \,{\left (c d + a f\right )} \log \left (f\right )}{c \log \left (f\right ) - 2 \, f}\right ) + \sqrt{\pi }{\left (c^{2} \log \left (f\right )^{2} + 2 \, c f \log \left (f\right )\right )} \sinh \left (\frac{a c \log \left (f\right )^{2} - e^{2} + 4 \, d f - 2 \,{\left (c d + a f\right )} \log \left (f\right )}{c \log \left (f\right ) - 2 \, f}\right )\right )} \sqrt{-c \log \left (f\right ) + 2 \, f} \operatorname{erf}\left (\frac{{\left (c x \log \left (f\right ) - 2 \, f x - e\right )} \sqrt{-c \log \left (f\right ) + 2 \, f}}{c \log \left (f\right ) - 2 \, f}\right ) -{\left (\sqrt{\pi }{\left (c^{2} \log \left (f\right )^{2} - 2 \, c f \log \left (f\right )\right )} \cosh \left (\frac{a c \log \left (f\right )^{2} - e^{2} + 4 \, d f + 2 \,{\left (c d + a f\right )} \log \left (f\right )}{c \log \left (f\right ) + 2 \, f}\right ) + \sqrt{\pi }{\left (c^{2} \log \left (f\right )^{2} - 2 \, c f \log \left (f\right )\right )} \sinh \left (\frac{a c \log \left (f\right )^{2} - e^{2} + 4 \, d f + 2 \,{\left (c d + a f\right )} \log \left (f\right )}{c \log \left (f\right ) + 2 \, f}\right )\right )} \sqrt{-c \log \left (f\right ) - 2 \, f} \operatorname{erf}\left (\frac{{\left (c x \log \left (f\right ) + 2 \, f x + e\right )} \sqrt{-c \log \left (f\right ) - 2 \, f}}{c \log \left (f\right ) + 2 \, f}\right )}{8 \,{\left (c^{3} \log \left (f\right )^{3} - 4 \, c f^{2} \log \left (f\right )\right )}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int f^{a + c x^{2}} \sinh ^{2}{\left (d + e x + f x^{2} \right )}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.2743, size = 267, normalized size = 1.46 \begin{align*} \frac{\sqrt{\pi } f^{a} \operatorname{erf}\left (-\sqrt{-c \log \left (f\right )} x\right )}{4 \, \sqrt{-c \log \left (f\right )}} - \frac{\sqrt{\pi } \operatorname{erf}\left (-\sqrt{-c \log \left (f\right ) - 2 \, f}{\left (x + \frac{e}{c \log \left (f\right ) + 2 \, f}\right )}\right ) e^{\left (\frac{a c \log \left (f\right )^{2} + 2 \, c d \log \left (f\right ) + 2 \, a f \log \left (f\right ) + 4 \, d f - e^{2}}{c \log \left (f\right ) + 2 \, f}\right )}}{8 \, \sqrt{-c \log \left (f\right ) - 2 \, f}} - \frac{\sqrt{\pi } \operatorname{erf}\left (-\sqrt{-c \log \left (f\right ) + 2 \, f}{\left (x - \frac{e}{c \log \left (f\right ) - 2 \, f}\right )}\right ) e^{\left (\frac{a c \log \left (f\right )^{2} - 2 \, c d \log \left (f\right ) - 2 \, a f \log \left (f\right ) + 4 \, d f - e^{2}}{c \log \left (f\right ) - 2 \, f}\right )}}{8 \, \sqrt{-c \log \left (f\right ) + 2 \, f}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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