Optimal. Leaf size=460 \[ \frac{\left (b c \left (e \left (2 d \sqrt{b^2-4 a c}-3 a e\right )+c d^2\right )+c \left (a e^2 \sqrt{b^2-4 a c}-c d \left (d \sqrt{b^2-4 a c}-4 a e\right )\right )-b^2 e \left (e \sqrt{b^2-4 a c}+2 c d\right )+b^3 e^2\right ) \tanh ^{-1}\left (\frac{\sqrt{2} \sqrt{c} \sqrt{d+e x^2}}{\sqrt{2 c d-e \left (b-\sqrt{b^2-4 a c}\right )}}\right )}{\sqrt{2} c^{5/2} \sqrt{b^2-4 a c} \sqrt{2 c d-e \left (b-\sqrt{b^2-4 a c}\right )}}-\frac{\left (b c \left (c d^2-e \left (2 d \sqrt{b^2-4 a c}+3 a e\right )\right )-c \left (a e^2 \sqrt{b^2-4 a c}-c d \left (d \sqrt{b^2-4 a c}+4 a e\right )\right )-b^2 e \left (2 c d-e \sqrt{b^2-4 a c}\right )+b^3 e^2\right ) \tanh ^{-1}\left (\frac{\sqrt{2} \sqrt{c} \sqrt{d+e x^2}}{\sqrt{2 c d-e \left (\sqrt{b^2-4 a c}+b\right )}}\right )}{\sqrt{2} c^{5/2} \sqrt{b^2-4 a c} \sqrt{2 c d-e \left (\sqrt{b^2-4 a c}+b\right )}}+\frac{\sqrt{d+e x^2} (c d-b e)}{c^2}+\frac{\left (d+e x^2\right )^{3/2}}{3 c} \]
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Rubi [A] time = 5.08444, antiderivative size = 460, normalized size of antiderivative = 1., number of steps used = 7, number of rules used = 5, integrand size = 29, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.172, Rules used = {1251, 824, 826, 1166, 208} \[ \frac{\left (b c \left (e \left (2 d \sqrt{b^2-4 a c}-3 a e\right )+c d^2\right )+c \left (a e^2 \sqrt{b^2-4 a c}-c d \left (d \sqrt{b^2-4 a c}-4 a e\right )\right )-b^2 e \left (e \sqrt{b^2-4 a c}+2 c d\right )+b^3 e^2\right ) \tanh ^{-1}\left (\frac{\sqrt{2} \sqrt{c} \sqrt{d+e x^2}}{\sqrt{2 c d-e \left (b-\sqrt{b^2-4 a c}\right )}}\right )}{\sqrt{2} c^{5/2} \sqrt{b^2-4 a c} \sqrt{2 c d-e \left (b-\sqrt{b^2-4 a c}\right )}}-\frac{\left (b c \left (c d^2-e \left (2 d \sqrt{b^2-4 a c}+3 a e\right )\right )-c \left (a e^2 \sqrt{b^2-4 a c}-c d \left (d \sqrt{b^2-4 a c}+4 a e\right )\right )-b^2 e \left (2 c d-e \sqrt{b^2-4 a c}\right )+b^3 e^2\right ) \tanh ^{-1}\left (\frac{\sqrt{2} \sqrt{c} \sqrt{d+e x^2}}{\sqrt{2 c d-e \left (\sqrt{b^2-4 a c}+b\right )}}\right )}{\sqrt{2} c^{5/2} \sqrt{b^2-4 a c} \sqrt{2 c d-e \left (\sqrt{b^2-4 a c}+b\right )}}+\frac{\sqrt{d+e x^2} (c d-b e)}{c^2}+\frac{\left (d+e x^2\right )^{3/2}}{3 c} \]
Antiderivative was successfully verified.
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Rule 1251
Rule 824
Rule 826
Rule 1166
Rule 208
Rubi steps
\begin{align*} \int \frac{x^3 \left (d+e x^2\right )^{3/2}}{a+b x^2+c x^4} \, dx &=\frac{1}{2} \operatorname{Subst}\left (\int \frac{x (d+e x)^{3/2}}{a+b x+c x^2} \, dx,x,x^2\right )\\ &=\frac{\left (d+e x^2\right )^{3/2}}{3 c}+\frac{\operatorname{Subst}\left (\int \frac{\sqrt{d+e x} (-a e+(c d-b e) x)}{a+b x+c x^2} \, dx,x,x^2\right )}{2 c}\\ &=\frac{(c d-b e) \sqrt{d+e x^2}}{c^2}+\frac{\left (d+e x^2\right )^{3/2}}{3 c}+\frac{\operatorname{Subst}\left (\int \frac{-a e (2 c d-b e)+\left (c^2 d^2+b^2 e^2-c e (2 b d+a e)\right ) x}{\sqrt{d+e x} \left (a+b x+c x^2\right )} \, dx,x,x^2\right )}{2 c^2}\\ &=\frac{(c d-b e) \sqrt{d+e x^2}}{c^2}+\frac{\left (d+e x^2\right )^{3/2}}{3 c}+\frac{\operatorname{Subst}\left (\int \frac{-a e^2 (2 c d-b e)-d \left (c^2 d^2+b^2 e^2-c e (2 b d+a e)\right )+\left (c^2 d^2+b^2 e^2-c e (2 b d+a e)\right ) x^2}{c d^2-b d e+a e^2+(-2 c d+b e) x^2+c x^4} \, dx,x,\sqrt{d+e x^2}\right )}{c^2}\\ &=\frac{(c d-b e) \sqrt{d+e x^2}}{c^2}+\frac{\left (d+e x^2\right )^{3/2}}{3 c}-\frac{\left (b^3 e^2-b^2 e \left (2 c d+\sqrt{b^2-4 a c} e\right )+c \left (a \sqrt{b^2-4 a c} e^2-c d \left (\sqrt{b^2-4 a c} d-4 a e\right )\right )+b c \left (c d^2+e \left (2 \sqrt{b^2-4 a c} d-3 a e\right )\right )\right ) \operatorname{Subst}\left (\int \frac{1}{-\frac{1}{2} \sqrt{b^2-4 a c} e+\frac{1}{2} (-2 c d+b e)+c x^2} \, dx,x,\sqrt{d+e x^2}\right )}{2 c^2 \sqrt{b^2-4 a c}}+\frac{\left (b^3 e^2-b^2 e \left (2 c d-\sqrt{b^2-4 a c} e\right )+b c \left (c d^2-e \left (2 \sqrt{b^2-4 a c} d+3 a e\right )\right )-c \left (a \sqrt{b^2-4 a c} e^2-c d \left (\sqrt{b^2-4 a c} d+4 a e\right )\right )\right ) \operatorname{Subst}\left (\int \frac{1}{\frac{1}{2} \sqrt{b^2-4 a c} e+\frac{1}{2} (-2 c d+b e)+c x^2} \, dx,x,\sqrt{d+e x^2}\right )}{2 c^2 \sqrt{b^2-4 a c}}\\ &=\frac{(c d-b e) \sqrt{d+e x^2}}{c^2}+\frac{\left (d+e x^2\right )^{3/2}}{3 c}+\frac{\left (b^3 e^2-b^2 e \left (2 c d+\sqrt{b^2-4 a c} e\right )+c \left (a \sqrt{b^2-4 a c} e^2-c d \left (\sqrt{b^2-4 a c} d-4 a e\right )\right )+b c \left (c d^2+e \left (2 \sqrt{b^2-4 a c} d-3 a e\right )\right )\right ) \tanh ^{-1}\left (\frac{\sqrt{2} \sqrt{c} \sqrt{d+e x^2}}{\sqrt{2 c d-\left (b-\sqrt{b^2-4 a c}\right ) e}}\right )}{\sqrt{2} c^{5/2} \sqrt{b^2-4 a c} \sqrt{2 c d-\left (b-\sqrt{b^2-4 a c}\right ) e}}-\frac{\left (b^3 e^2-b^2 e \left (2 c d-\sqrt{b^2-4 a c} e\right )+b c \left (c d^2-e \left (2 \sqrt{b^2-4 a c} d+3 a e\right )\right )-c \left (a \sqrt{b^2-4 a c} e^2-c d \left (\sqrt{b^2-4 a c} d+4 a e\right )\right )\right ) \tanh ^{-1}\left (\frac{\sqrt{2} \sqrt{c} \sqrt{d+e x^2}}{\sqrt{2 c d-\left (b+\sqrt{b^2-4 a c}\right ) e}}\right )}{\sqrt{2} c^{5/2} \sqrt{b^2-4 a c} \sqrt{2 c d-\left (b+\sqrt{b^2-4 a c}\right ) e}}\\ \end{align*}
Mathematica [A] time = 0.988296, size = 457, normalized size = 0.99 \[ -\frac{\left (-b c \left (e \left (2 d \sqrt{b^2-4 a c}-3 a e\right )+c d^2\right )+c \left (c d \left (d \sqrt{b^2-4 a c}-4 a e\right )-a e^2 \sqrt{b^2-4 a c}\right )+b^2 e \left (e \sqrt{b^2-4 a c}+2 c d\right )+b^3 \left (-e^2\right )\right ) \tanh ^{-1}\left (\frac{\sqrt{2} \sqrt{c} \sqrt{d+e x^2}}{\sqrt{e \sqrt{b^2-4 a c}-b e+2 c d}}\right )}{\sqrt{2} c^{5/2} \sqrt{b^2-4 a c} \sqrt{e \left (\sqrt{b^2-4 a c}-b\right )+2 c d}}-\frac{\left (b c \left (c d^2-e \left (2 d \sqrt{b^2-4 a c}+3 a e\right )\right )+c \left (c d \left (d \sqrt{b^2-4 a c}+4 a e\right )-a e^2 \sqrt{b^2-4 a c}\right )+b^2 e \left (e \sqrt{b^2-4 a c}-2 c d\right )+b^3 e^2\right ) \tanh ^{-1}\left (\frac{\sqrt{2} \sqrt{c} \sqrt{d+e x^2}}{\sqrt{2 c d-e \left (\sqrt{b^2-4 a c}+b\right )}}\right )}{\sqrt{2} c^{5/2} \sqrt{b^2-4 a c} \sqrt{2 c d-e \left (\sqrt{b^2-4 a c}+b\right )}}+\frac{\sqrt{d+e x^2} (c d-b e)}{c^2}+\frac{\left (d+e x^2\right )^{3/2}}{3 c} \]
Antiderivative was successfully verified.
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Maple [C] time = 0.03, size = 490, normalized size = 1.1 \begin{align*} -{\frac{{x}^{3}}{6\,c}{e}^{{\frac{3}{2}}}}+{\frac{e{x}^{2}}{8\,c}\sqrt{e{x}^{2}+d}}-{\frac{3\,dx}{4\,c}\sqrt{e}}+{\frac{1}{24\,c} \left ( e{x}^{2}+d \right ) ^{{\frac{3}{2}}}}+{\frac{bx}{2\,{c}^{2}}{e}^{{\frac{3}{2}}}}-{\frac{be}{2\,{c}^{2}}\sqrt{e{x}^{2}+d}}+{\frac{5\,d}{8\,c}\sqrt{e{x}^{2}+d}}-{\frac{deb}{2\,{c}^{2}} \left ( \sqrt{e{x}^{2}+d}-\sqrt{e}x \right ) ^{-1}}+{\frac{5\,{d}^{2}}{8\,c} \left ( \sqrt{e{x}^{2}+d}-\sqrt{e}x \right ) ^{-1}}+{\frac{{d}^{3}}{24\,c} \left ( \sqrt{e{x}^{2}+d}-\sqrt{e}x \right ) ^{-3}}+{\frac{1}{4\,{c}^{2}}\sum _{{\it \_R}={\it RootOf} \left ( c{{\it \_Z}}^{8}+ \left ( 4\,be-4\,cd \right ){{\it \_Z}}^{6}+ \left ( 16\,a{e}^{2}-8\,deb+6\,c{d}^{2} \right ){{\it \_Z}}^{4}+ \left ( 4\,b{d}^{2}e-4\,c{d}^{3} \right ){{\it \_Z}}^{2}+c{d}^{4} \right ) }{\frac{ \left ( -ac{e}^{2}+{b}^{2}{e}^{2}-2\,bcde+{c}^{2}{d}^{2} \right ){{\it \_R}}^{6}+ \left ( 4\,ab{e}^{3}-5\,{e}^{2}dac-3\,{b}^{2}d{e}^{2}+6\,bc{d}^{2}e-3\,{c}^{2}{d}^{3} \right ){{\it \_R}}^{4}+d \left ( -4\,ab{e}^{3}+5\,{e}^{2}dac+3\,{b}^{2}d{e}^{2}-6\,bc{d}^{2}e+3\,{c}^{2}{d}^{3} \right ){{\it \_R}}^{2}+ac{d}^{3}{e}^{2}-{b}^{2}{d}^{3}{e}^{2}+2\,bc{d}^{4}e-{c}^{2}{d}^{5}}{{{\it \_R}}^{7}c+3\,{{\it \_R}}^{5}be-3\,{{\it \_R}}^{5}cd+8\,{{\it \_R}}^{3}a{e}^{2}-4\,{{\it \_R}}^{3}bde+3\,{{\it \_R}}^{3}c{d}^{2}+{\it \_R}\,b{d}^{2}e-{\it \_R}\,c{d}^{3}}\ln \left ( \sqrt{e{x}^{2}+d}-\sqrt{e}x-{\it \_R} \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{{\left (e x^{2} + d\right )}^{\frac{3}{2}} x^{3}}{c x^{4} + b x^{2} + a}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [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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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(-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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