Optimal. Leaf size=206 \[ \frac{\left (48 a^2 B c^2+96 a A b c^2-120 a b^2 B c-40 A b^3 c+35 b^4 B\right ) \tanh ^{-1}\left (\frac{b+2 c x}{2 \sqrt{c} \sqrt{a+b x+c x^2}}\right )}{128 c^{9/2}}-\frac{\sqrt{a+b x+c x^2} \left (-2 c x \left (-36 a B c-40 A b c+35 b^2 B\right )+128 a A c^2-220 a b B c-120 A b^2 c+105 b^3 B\right )}{192 c^4}-\frac{x^2 \sqrt{a+b x+c x^2} (7 b B-8 A c)}{24 c^2}+\frac{B x^3 \sqrt{a+b x+c x^2}}{4 c} \]
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Rubi [A] time = 0.243167, antiderivative size = 206, normalized size of antiderivative = 1., number of steps used = 5, number of rules used = 4, integrand size = 23, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.174, Rules used = {832, 779, 621, 206} \[ \frac{\left (48 a^2 B c^2+96 a A b c^2-120 a b^2 B c-40 A b^3 c+35 b^4 B\right ) \tanh ^{-1}\left (\frac{b+2 c x}{2 \sqrt{c} \sqrt{a+b x+c x^2}}\right )}{128 c^{9/2}}-\frac{\sqrt{a+b x+c x^2} \left (-2 c x \left (-36 a B c-40 A b c+35 b^2 B\right )+128 a A c^2-220 a b B c-120 A b^2 c+105 b^3 B\right )}{192 c^4}-\frac{x^2 \sqrt{a+b x+c x^2} (7 b B-8 A c)}{24 c^2}+\frac{B x^3 \sqrt{a+b x+c x^2}}{4 c} \]
Antiderivative was successfully verified.
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Rule 832
Rule 779
Rule 621
Rule 206
Rubi steps
\begin{align*} \int \frac{x^3 (A+B x)}{\sqrt{a+b x+c x^2}} \, dx &=\frac{B x^3 \sqrt{a+b x+c x^2}}{4 c}+\frac{\int \frac{x^2 \left (-3 a B-\frac{1}{2} (7 b B-8 A c) x\right )}{\sqrt{a+b x+c x^2}} \, dx}{4 c}\\ &=-\frac{(7 b B-8 A c) x^2 \sqrt{a+b x+c x^2}}{24 c^2}+\frac{B x^3 \sqrt{a+b x+c x^2}}{4 c}+\frac{\int \frac{x \left (a (7 b B-8 A c)+\frac{1}{4} \left (35 b^2 B-40 A b c-36 a B c\right ) x\right )}{\sqrt{a+b x+c x^2}} \, dx}{12 c^2}\\ &=-\frac{(7 b B-8 A c) x^2 \sqrt{a+b x+c x^2}}{24 c^2}+\frac{B x^3 \sqrt{a+b x+c x^2}}{4 c}-\frac{\left (105 b^3 B-120 A b^2 c-220 a b B c+128 a A c^2-2 c \left (35 b^2 B-40 A b c-36 a B c\right ) x\right ) \sqrt{a+b x+c x^2}}{192 c^4}+\frac{\left (35 b^4 B-40 A b^3 c-120 a b^2 B c+96 a A b c^2+48 a^2 B c^2\right ) \int \frac{1}{\sqrt{a+b x+c x^2}} \, dx}{128 c^4}\\ &=-\frac{(7 b B-8 A c) x^2 \sqrt{a+b x+c x^2}}{24 c^2}+\frac{B x^3 \sqrt{a+b x+c x^2}}{4 c}-\frac{\left (105 b^3 B-120 A b^2 c-220 a b B c+128 a A c^2-2 c \left (35 b^2 B-40 A b c-36 a B c\right ) x\right ) \sqrt{a+b x+c x^2}}{192 c^4}+\frac{\left (35 b^4 B-40 A b^3 c-120 a b^2 B c+96 a A b c^2+48 a^2 B c^2\right ) \operatorname{Subst}\left (\int \frac{1}{4 c-x^2} \, dx,x,\frac{b+2 c x}{\sqrt{a+b x+c x^2}}\right )}{64 c^4}\\ &=-\frac{(7 b B-8 A c) x^2 \sqrt{a+b x+c x^2}}{24 c^2}+\frac{B x^3 \sqrt{a+b x+c x^2}}{4 c}-\frac{\left (105 b^3 B-120 A b^2 c-220 a b B c+128 a A c^2-2 c \left (35 b^2 B-40 A b c-36 a B c\right ) x\right ) \sqrt{a+b x+c x^2}}{192 c^4}+\frac{\left (35 b^4 B-40 A b^3 c-120 a b^2 B c+96 a A b c^2+48 a^2 B c^2\right ) \tanh ^{-1}\left (\frac{b+2 c x}{2 \sqrt{c} \sqrt{a+b x+c x^2}}\right )}{128 c^{9/2}}\\ \end{align*}
Mathematica [A] time = 0.281111, size = 169, normalized size = 0.82 \[ \frac{\left (48 a^2 B c^2+96 a A b c^2-120 a b^2 B c-40 A b^3 c+35 b^4 B\right ) \tanh ^{-1}\left (\frac{b+2 c x}{2 \sqrt{c} \sqrt{a+x (b+c x)}}\right )}{128 c^{9/2}}+\frac{\sqrt{a+x (b+c x)} \left (4 b c (55 a B-2 c x (10 A+7 B x))+8 c^2 \left (-16 a A-9 a B x+8 A c x^2+6 B c x^3\right )+10 b^2 c (12 A+7 B x)-105 b^3 B\right )}{192 c^4} \]
Antiderivative was successfully verified.
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Maple [B] time = 0.01, size = 379, normalized size = 1.8 \begin{align*}{\frac{{x}^{3}B}{4\,c}\sqrt{c{x}^{2}+bx+a}}-{\frac{7\,Bb{x}^{2}}{24\,{c}^{2}}\sqrt{c{x}^{2}+bx+a}}+{\frac{35\,{b}^{2}Bx}{96\,{c}^{3}}\sqrt{c{x}^{2}+bx+a}}-{\frac{35\,{b}^{3}B}{64\,{c}^{4}}\sqrt{c{x}^{2}+bx+a}}+{\frac{35\,{b}^{4}B}{128}\ln \left ({ \left ({\frac{b}{2}}+cx \right ){\frac{1}{\sqrt{c}}}}+\sqrt{c{x}^{2}+bx+a} \right ){c}^{-{\frac{9}{2}}}}-{\frac{15\,Ba{b}^{2}}{16}\ln \left ({ \left ({\frac{b}{2}}+cx \right ){\frac{1}{\sqrt{c}}}}+\sqrt{c{x}^{2}+bx+a} \right ){c}^{-{\frac{7}{2}}}}+{\frac{55\,abB}{48\,{c}^{3}}\sqrt{c{x}^{2}+bx+a}}-{\frac{3\,aBx}{8\,{c}^{2}}\sqrt{c{x}^{2}+bx+a}}+{\frac{3\,B{a}^{2}}{8}\ln \left ({ \left ({\frac{b}{2}}+cx \right ){\frac{1}{\sqrt{c}}}}+\sqrt{c{x}^{2}+bx+a} \right ){c}^{-{\frac{5}{2}}}}+{\frac{A{x}^{2}}{3\,c}\sqrt{c{x}^{2}+bx+a}}-{\frac{5\,Abx}{12\,{c}^{2}}\sqrt{c{x}^{2}+bx+a}}+{\frac{5\,A{b}^{2}}{8\,{c}^{3}}\sqrt{c{x}^{2}+bx+a}}-{\frac{5\,A{b}^{3}}{16}\ln \left ({ \left ({\frac{b}{2}}+cx \right ){\frac{1}{\sqrt{c}}}}+\sqrt{c{x}^{2}+bx+a} \right ){c}^{-{\frac{7}{2}}}}+{\frac{3\,Aba}{4}\ln \left ({ \left ({\frac{b}{2}}+cx \right ){\frac{1}{\sqrt{c}}}}+\sqrt{c{x}^{2}+bx+a} \right ){c}^{-{\frac{5}{2}}}}-{\frac{2\,aA}{3\,{c}^{2}}\sqrt{c{x}^{2}+bx+a}} \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 [A] time = 2.07295, size = 941, normalized size = 4.57 \begin{align*} \left [\frac{3 \,{\left (35 \, B b^{4} + 48 \,{\left (B a^{2} + 2 \, A a b\right )} c^{2} - 40 \,{\left (3 \, B a b^{2} + A b^{3}\right )} c\right )} \sqrt{c} \log \left (-8 \, c^{2} x^{2} - 8 \, b c x - b^{2} - 4 \, \sqrt{c x^{2} + b x + a}{\left (2 \, c x + b\right )} \sqrt{c} - 4 \, a c\right ) + 4 \,{\left (48 \, B c^{4} x^{3} - 105 \, B b^{3} c - 128 \, A a c^{3} + 20 \,{\left (11 \, B a b + 6 \, A b^{2}\right )} c^{2} - 8 \,{\left (7 \, B b c^{3} - 8 \, A c^{4}\right )} x^{2} + 2 \,{\left (35 \, B b^{2} c^{2} - 4 \,{\left (9 \, B a + 10 \, A b\right )} c^{3}\right )} x\right )} \sqrt{c x^{2} + b x + a}}{768 \, c^{5}}, -\frac{3 \,{\left (35 \, B b^{4} + 48 \,{\left (B a^{2} + 2 \, A a b\right )} c^{2} - 40 \,{\left (3 \, B a b^{2} + A b^{3}\right )} c\right )} \sqrt{-c} \arctan \left (\frac{\sqrt{c x^{2} + b x + a}{\left (2 \, c x + b\right )} \sqrt{-c}}{2 \,{\left (c^{2} x^{2} + b c x + a c\right )}}\right ) - 2 \,{\left (48 \, B c^{4} x^{3} - 105 \, B b^{3} c - 128 \, A a c^{3} + 20 \,{\left (11 \, B a b + 6 \, A b^{2}\right )} c^{2} - 8 \,{\left (7 \, B b c^{3} - 8 \, A c^{4}\right )} x^{2} + 2 \,{\left (35 \, B b^{2} c^{2} - 4 \,{\left (9 \, B a + 10 \, A b\right )} c^{3}\right )} x\right )} \sqrt{c x^{2} + b x + a}}{384 \, c^{5}}\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 \frac{x^{3} \left (A + B x\right )}{\sqrt{a + b x + c x^{2}}}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.41896, size = 247, normalized size = 1.2 \begin{align*} \frac{1}{192} \, \sqrt{c x^{2} + b x + a}{\left (2 \,{\left (4 \,{\left (\frac{6 \, B x}{c} - \frac{7 \, B b c^{2} - 8 \, A c^{3}}{c^{4}}\right )} x + \frac{35 \, B b^{2} c - 36 \, B a c^{2} - 40 \, A b c^{2}}{c^{4}}\right )} x - \frac{105 \, B b^{3} - 220 \, B a b c - 120 \, A b^{2} c + 128 \, A a c^{2}}{c^{4}}\right )} - \frac{{\left (35 \, B b^{4} - 120 \, B a b^{2} c - 40 \, A b^{3} c + 48 \, B a^{2} c^{2} + 96 \, A a b c^{2}\right )} \log \left ({\left | -2 \,{\left (\sqrt{c} x - \sqrt{c x^{2} + b x + a}\right )} \sqrt{c} - b \right |}\right )}{128 \, c^{\frac{9}{2}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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