Optimal. Leaf size=140 \[ -\frac{\sqrt{f+g x} \left (a+\frac{d (c d-b e)}{e^2}\right )}{(d+e x) (e f-d g)}+\frac{\tanh ^{-1}\left (\frac{\sqrt{e} \sqrt{f+g x}}{\sqrt{e f-d g}}\right ) (c d (4 e f-3 d g)-e (-a e g-b d g+2 b e f))}{e^{5/2} (e f-d g)^{3/2}}+\frac{2 c \sqrt{f+g x}}{e^2 g} \]
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Rubi [A] time = 0.290021, antiderivative size = 140, normalized size of antiderivative = 1., number of steps used = 4, number of rules used = 4, integrand size = 27, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.148, Rules used = {897, 1157, 388, 208} \[ -\frac{\sqrt{f+g x} \left (a+\frac{d (c d-b e)}{e^2}\right )}{(d+e x) (e f-d g)}+\frac{\tanh ^{-1}\left (\frac{\sqrt{e} \sqrt{f+g x}}{\sqrt{e f-d g}}\right ) (c d (4 e f-3 d g)-e (-a e g-b d g+2 b e f))}{e^{5/2} (e f-d g)^{3/2}}+\frac{2 c \sqrt{f+g x}}{e^2 g} \]
Antiderivative was successfully verified.
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Rule 897
Rule 1157
Rule 388
Rule 208
Rubi steps
\begin{align*} \int \frac{a+b x+c x^2}{(d+e x)^2 \sqrt{f+g x}} \, dx &=\frac{2 \operatorname{Subst}\left (\int \frac{\frac{c f^2-b f g+a g^2}{g^2}-\frac{(2 c f-b g) x^2}{g^2}+\frac{c x^4}{g^2}}{\left (\frac{-e f+d g}{g}+\frac{e x^2}{g}\right )^2} \, dx,x,\sqrt{f+g x}\right )}{g}\\ &=-\frac{\left (a+\frac{d (c d-b e)}{e^2}\right ) \sqrt{f+g x}}{(e f-d g) (d+e x)}+\frac{\operatorname{Subst}\left (\int \frac{-a+\frac{c d^2}{e^2}-\frac{b d}{e}-\frac{2 c f^2}{g^2}+\frac{2 b f}{g}+\frac{2 c (e f-d g) x^2}{e g^2}}{\frac{-e f+d g}{g}+\frac{e x^2}{g}} \, dx,x,\sqrt{f+g x}\right )}{e f-d g}\\ &=\frac{2 c \sqrt{f+g x}}{e^2 g}-\frac{\left (a+\frac{d (c d-b e)}{e^2}\right ) \sqrt{f+g x}}{(e f-d g) (d+e x)}-\frac{(c d (4 e f-3 d g)-e (2 b e f-b d g-a e g)) \operatorname{Subst}\left (\int \frac{1}{\frac{-e f+d g}{g}+\frac{e x^2}{g}} \, dx,x,\sqrt{f+g x}\right )}{e^2 g (e f-d g)}\\ &=\frac{2 c \sqrt{f+g x}}{e^2 g}-\frac{\left (a+\frac{d (c d-b e)}{e^2}\right ) \sqrt{f+g x}}{(e f-d g) (d+e x)}+\frac{(c d (4 e f-3 d g)-e (2 b e f-b d g-a e g)) \tanh ^{-1}\left (\frac{\sqrt{e} \sqrt{f+g x}}{\sqrt{e f-d g}}\right )}{e^{5/2} (e f-d g)^{3/2}}\\ \end{align*}
Mathematica [A] time = 0.647903, size = 150, normalized size = 1.07 \[ \frac{\sqrt{f+g x} \left (e g (b d-a e)+c \left (-3 d^2 g+2 d e (f-g x)+2 e^2 f x\right )\right )}{e^2 g (d+e x) (e f-d g)}-\frac{\tanh ^{-1}\left (\frac{\sqrt{e} \sqrt{f+g x}}{\sqrt{e f-d g}}\right ) (e (-a e g-b d g+2 b e f)+c d (3 d g-4 e f))}{e^{5/2} (e f-d g)^{3/2}} \]
Antiderivative was successfully verified.
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Maple [B] time = 0.263, size = 371, normalized size = 2.7 \begin{align*} 2\,{\frac{c\sqrt{gx+f}}{{e}^{2}g}}+{\frac{ag}{ \left ( dg-ef \right ) \left ( egx+dg \right ) }\sqrt{gx+f}}-{\frac{bdg}{ \left ( dg-ef \right ) e \left ( egx+dg \right ) }\sqrt{gx+f}}+{\frac{c{d}^{2}g}{{e}^{2} \left ( dg-ef \right ) \left ( egx+dg \right ) }\sqrt{gx+f}}+{\frac{ag}{dg-ef}\arctan \left ({e\sqrt{gx+f}{\frac{1}{\sqrt{ \left ( dg-ef \right ) e}}}} \right ){\frac{1}{\sqrt{ \left ( dg-ef \right ) e}}}}+{\frac{bdg}{ \left ( dg-ef \right ) e}\arctan \left ({e\sqrt{gx+f}{\frac{1}{\sqrt{ \left ( dg-ef \right ) e}}}} \right ){\frac{1}{\sqrt{ \left ( dg-ef \right ) e}}}}-2\,{\frac{bf}{ \left ( dg-ef \right ) \sqrt{ \left ( dg-ef \right ) e}}\arctan \left ({\frac{e\sqrt{gx+f}}{\sqrt{ \left ( dg-ef \right ) e}}} \right ) }-3\,{\frac{c{d}^{2}g}{{e}^{2} \left ( dg-ef \right ) \sqrt{ \left ( dg-ef \right ) e}}\arctan \left ({\frac{e\sqrt{gx+f}}{\sqrt{ \left ( dg-ef \right ) e}}} \right ) }+4\,{\frac{cdf}{ \left ( dg-ef \right ) e\sqrt{ \left ( dg-ef \right ) e}}\arctan \left ({\frac{e\sqrt{gx+f}}{\sqrt{ \left ( dg-ef \right ) e}}} \right ) } \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 [B] time = 1.88276, size = 1300, normalized size = 9.29 \begin{align*} \left [-\frac{\sqrt{e^{2} f - d e g}{\left (2 \,{\left (2 \, c d^{2} e - b d e^{2}\right )} f g -{\left (3 \, c d^{3} - b d^{2} e - a d e^{2}\right )} g^{2} +{\left (2 \,{\left (2 \, c d e^{2} - b e^{3}\right )} f g -{\left (3 \, c d^{2} e - b d e^{2} - a e^{3}\right )} g^{2}\right )} x\right )} \log \left (\frac{e g x + 2 \, e f - d g - 2 \, \sqrt{e^{2} f - d e g} \sqrt{g x + f}}{e x + d}\right ) - 2 \,{\left (2 \, c d e^{3} f^{2} -{\left (5 \, c d^{2} e^{2} - b d e^{3} + a e^{4}\right )} f g +{\left (3 \, c d^{3} e - b d^{2} e^{2} + a d e^{3}\right )} g^{2} + 2 \,{\left (c e^{4} f^{2} - 2 \, c d e^{3} f g + c d^{2} e^{2} g^{2}\right )} x\right )} \sqrt{g x + f}}{2 \,{\left (d e^{5} f^{2} g - 2 \, d^{2} e^{4} f g^{2} + d^{3} e^{3} g^{3} +{\left (e^{6} f^{2} g - 2 \, d e^{5} f g^{2} + d^{2} e^{4} g^{3}\right )} x\right )}}, -\frac{\sqrt{-e^{2} f + d e g}{\left (2 \,{\left (2 \, c d^{2} e - b d e^{2}\right )} f g -{\left (3 \, c d^{3} - b d^{2} e - a d e^{2}\right )} g^{2} +{\left (2 \,{\left (2 \, c d e^{2} - b e^{3}\right )} f g -{\left (3 \, c d^{2} e - b d e^{2} - a e^{3}\right )} g^{2}\right )} x\right )} \arctan \left (\frac{\sqrt{-e^{2} f + d e g} \sqrt{g x + f}}{e g x + e f}\right ) -{\left (2 \, c d e^{3} f^{2} -{\left (5 \, c d^{2} e^{2} - b d e^{3} + a e^{4}\right )} f g +{\left (3 \, c d^{3} e - b d^{2} e^{2} + a d e^{3}\right )} g^{2} + 2 \,{\left (c e^{4} f^{2} - 2 \, c d e^{3} f g + c d^{2} e^{2} g^{2}\right )} x\right )} \sqrt{g x + f}}{d e^{5} f^{2} g - 2 \, d^{2} e^{4} f g^{2} + d^{3} e^{3} g^{3} +{\left (e^{6} f^{2} g - 2 \, d e^{5} f g^{2} + d^{2} e^{4} g^{3}\right )} x}\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 [A] time = 1.1144, size = 236, normalized size = 1.69 \begin{align*} \frac{2 \, \sqrt{g x + f} c e^{\left (-2\right )}}{g} - \frac{{\left (3 \, c d^{2} g - 4 \, c d f e - b d g e + 2 \, b f e^{2} - a g e^{2}\right )} \arctan \left (\frac{\sqrt{g x + f} e}{\sqrt{d g e - f e^{2}}}\right )}{{\left (d g e^{2} - f e^{3}\right )} \sqrt{d g e - f e^{2}}} + \frac{\sqrt{g x + f} c d^{2} g - \sqrt{g x + f} b d g e + \sqrt{g x + f} a g e^{2}}{{\left (d g e^{2} - f e^{3}\right )}{\left (d g +{\left (g x + f\right )} e - f e\right )}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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