Optimal. Leaf size=491 \[ \frac{\sqrt{2 c d-e \left (b-\sqrt{b^2-4 a c}\right )} \left (-\frac{2 a c e+b^2 (-e)+b c d}{\sqrt{b^2-4 a c}}-b e+c d\right ) \tan ^{-1}\left (\frac{x \sqrt{2 c d-e \left (b-\sqrt{b^2-4 a c}\right )}}{\sqrt{b-\sqrt{b^2-4 a c}} \sqrt{d+e x^2}}\right )}{2 c^2 \sqrt{b-\sqrt{b^2-4 a c}}}+\frac{\sqrt{2 c d-e \left (\sqrt{b^2-4 a c}+b\right )} \left (\frac{2 a c e+b^2 (-e)+b c d}{\sqrt{b^2-4 a c}}-b e+c d\right ) \tan ^{-1}\left (\frac{x \sqrt{2 c d-e \left (\sqrt{b^2-4 a c}+b\right )}}{\sqrt{\sqrt{b^2-4 a c}+b} \sqrt{d+e x^2}}\right )}{2 c^2 \sqrt{\sqrt{b^2-4 a c}+b}}+\frac{\sqrt{e} \tanh ^{-1}\left (\frac{\sqrt{e} x}{\sqrt{d+e x^2}}\right ) \left (-\frac{2 a c e+b^2 (-e)+b c d}{\sqrt{b^2-4 a c}}-b e+c d\right )}{2 c^2}+\frac{\sqrt{e} \tanh ^{-1}\left (\frac{\sqrt{e} x}{\sqrt{d+e x^2}}\right ) \left (\frac{2 a c e+b^2 (-e)+b c d}{\sqrt{b^2-4 a c}}-b e+c d\right )}{2 c^2}+\frac{e x \sqrt{d+e x^2}}{2 c}+\frac{d \sqrt{e} \tanh ^{-1}\left (\frac{\sqrt{e} x}{\sqrt{d+e x^2}}\right )}{2 c} \]
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Rubi [A] time = 1.80219, antiderivative size = 491, normalized size of antiderivative = 1., number of steps used = 16, number of rules used = 8, integrand size = 29, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.276, Rules used = {1293, 195, 217, 206, 1692, 402, 377, 205} \[ \frac{\sqrt{2 c d-e \left (b-\sqrt{b^2-4 a c}\right )} \left (-\frac{2 a c e+b^2 (-e)+b c d}{\sqrt{b^2-4 a c}}-b e+c d\right ) \tan ^{-1}\left (\frac{x \sqrt{2 c d-e \left (b-\sqrt{b^2-4 a c}\right )}}{\sqrt{b-\sqrt{b^2-4 a c}} \sqrt{d+e x^2}}\right )}{2 c^2 \sqrt{b-\sqrt{b^2-4 a c}}}+\frac{\sqrt{2 c d-e \left (\sqrt{b^2-4 a c}+b\right )} \left (\frac{2 a c e+b^2 (-e)+b c d}{\sqrt{b^2-4 a c}}-b e+c d\right ) \tan ^{-1}\left (\frac{x \sqrt{2 c d-e \left (\sqrt{b^2-4 a c}+b\right )}}{\sqrt{\sqrt{b^2-4 a c}+b} \sqrt{d+e x^2}}\right )}{2 c^2 \sqrt{\sqrt{b^2-4 a c}+b}}+\frac{\sqrt{e} \tanh ^{-1}\left (\frac{\sqrt{e} x}{\sqrt{d+e x^2}}\right ) \left (-\frac{2 a c e+b^2 (-e)+b c d}{\sqrt{b^2-4 a c}}-b e+c d\right )}{2 c^2}+\frac{\sqrt{e} \tanh ^{-1}\left (\frac{\sqrt{e} x}{\sqrt{d+e x^2}}\right ) \left (\frac{2 a c e+b^2 (-e)+b c d}{\sqrt{b^2-4 a c}}-b e+c d\right )}{2 c^2}+\frac{e x \sqrt{d+e x^2}}{2 c}+\frac{d \sqrt{e} \tanh ^{-1}\left (\frac{\sqrt{e} x}{\sqrt{d+e x^2}}\right )}{2 c} \]
Antiderivative was successfully verified.
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Rule 1293
Rule 195
Rule 217
Rule 206
Rule 1692
Rule 402
Rule 377
Rule 205
Rubi steps
\begin{align*} \int \frac{x^2 \left (d+e x^2\right )^{3/2}}{a+b x^2+c x^4} \, dx &=-\frac{\int \frac{\sqrt{d+e x^2} \left (a e-(c d-b e) x^2\right )}{a+b x^2+c x^4} \, dx}{c}+\frac{e \int \sqrt{d+e x^2} \, dx}{c}\\ &=\frac{e x \sqrt{d+e x^2}}{2 c}-\frac{\int \left (\frac{\left (-c d+b e+\frac{b c d-b^2 e+2 a c e}{\sqrt{b^2-4 a c}}\right ) \sqrt{d+e x^2}}{b-\sqrt{b^2-4 a c}+2 c x^2}+\frac{\left (-c d+b e-\frac{b c d-b^2 e+2 a c e}{\sqrt{b^2-4 a c}}\right ) \sqrt{d+e x^2}}{b+\sqrt{b^2-4 a c}+2 c x^2}\right ) \, dx}{c}+\frac{(d e) \int \frac{1}{\sqrt{d+e x^2}} \, dx}{2 c}\\ &=\frac{e x \sqrt{d+e x^2}}{2 c}+\frac{(d e) \operatorname{Subst}\left (\int \frac{1}{1-e x^2} \, dx,x,\frac{x}{\sqrt{d+e x^2}}\right )}{2 c}+\frac{\left (c d-b e+\frac{b c d-b^2 e+2 a c e}{\sqrt{b^2-4 a c}}\right ) \int \frac{\sqrt{d+e x^2}}{b+\sqrt{b^2-4 a c}+2 c x^2} \, dx}{c}-\frac{\left (-c d+b e+\frac{b c d-b^2 e+2 a c e}{\sqrt{b^2-4 a c}}\right ) \int \frac{\sqrt{d+e x^2}}{b-\sqrt{b^2-4 a c}+2 c x^2} \, dx}{c}\\ &=\frac{e x \sqrt{d+e x^2}}{2 c}+\frac{d \sqrt{e} \tanh ^{-1}\left (\frac{\sqrt{e} x}{\sqrt{d+e x^2}}\right )}{2 c}+\frac{\left (e \left (c d-b e-\frac{b c d-b^2 e+2 a c e}{\sqrt{b^2-4 a c}}\right )\right ) \int \frac{1}{\sqrt{d+e x^2}} \, dx}{2 c^2}+\frac{\left (\left (2 c d-\left (b-\sqrt{b^2-4 a c}\right ) e\right ) \left (c d-b e-\frac{b c d-b^2 e+2 a c e}{\sqrt{b^2-4 a c}}\right )\right ) \int \frac{1}{\left (b-\sqrt{b^2-4 a c}+2 c x^2\right ) \sqrt{d+e x^2}} \, dx}{2 c^2}+\frac{\left (e \left (c d-b e+\frac{b c d-b^2 e+2 a c e}{\sqrt{b^2-4 a c}}\right )\right ) \int \frac{1}{\sqrt{d+e x^2}} \, dx}{2 c^2}+\frac{\left (\left (2 c d-\left (b+\sqrt{b^2-4 a c}\right ) e\right ) \left (c d-b e+\frac{b c d-b^2 e+2 a c e}{\sqrt{b^2-4 a c}}\right )\right ) \int \frac{1}{\left (b+\sqrt{b^2-4 a c}+2 c x^2\right ) \sqrt{d+e x^2}} \, dx}{2 c^2}\\ &=\frac{e x \sqrt{d+e x^2}}{2 c}+\frac{d \sqrt{e} \tanh ^{-1}\left (\frac{\sqrt{e} x}{\sqrt{d+e x^2}}\right )}{2 c}+\frac{\left (e \left (c d-b e-\frac{b c d-b^2 e+2 a c e}{\sqrt{b^2-4 a c}}\right )\right ) \operatorname{Subst}\left (\int \frac{1}{1-e x^2} \, dx,x,\frac{x}{\sqrt{d+e x^2}}\right )}{2 c^2}+\frac{\left (\left (2 c d-\left (b-\sqrt{b^2-4 a c}\right ) e\right ) \left (c d-b e-\frac{b c d-b^2 e+2 a c e}{\sqrt{b^2-4 a c}}\right )\right ) \operatorname{Subst}\left (\int \frac{1}{b-\sqrt{b^2-4 a c}-\left (-2 c d+\left (b-\sqrt{b^2-4 a c}\right ) e\right ) x^2} \, dx,x,\frac{x}{\sqrt{d+e x^2}}\right )}{2 c^2}+\frac{\left (e \left (c d-b e+\frac{b c d-b^2 e+2 a c e}{\sqrt{b^2-4 a c}}\right )\right ) \operatorname{Subst}\left (\int \frac{1}{1-e x^2} \, dx,x,\frac{x}{\sqrt{d+e x^2}}\right )}{2 c^2}+\frac{\left (\left (2 c d-\left (b+\sqrt{b^2-4 a c}\right ) e\right ) \left (c d-b e+\frac{b c d-b^2 e+2 a c e}{\sqrt{b^2-4 a c}}\right )\right ) \operatorname{Subst}\left (\int \frac{1}{b+\sqrt{b^2-4 a c}-\left (-2 c d+\left (b+\sqrt{b^2-4 a c}\right ) e\right ) x^2} \, dx,x,\frac{x}{\sqrt{d+e x^2}}\right )}{2 c^2}\\ &=\frac{e x \sqrt{d+e x^2}}{2 c}+\frac{\sqrt{2 c d-\left (b-\sqrt{b^2-4 a c}\right ) e} \left (c d-b e-\frac{b c d-b^2 e+2 a c e}{\sqrt{b^2-4 a c}}\right ) \tan ^{-1}\left (\frac{\sqrt{2 c d-\left (b-\sqrt{b^2-4 a c}\right ) e} x}{\sqrt{b-\sqrt{b^2-4 a c}} \sqrt{d+e x^2}}\right )}{2 c^2 \sqrt{b-\sqrt{b^2-4 a c}}}+\frac{\sqrt{2 c d-\left (b+\sqrt{b^2-4 a c}\right ) e} \left (c d-b e+\frac{b c d-b^2 e+2 a c e}{\sqrt{b^2-4 a c}}\right ) \tan ^{-1}\left (\frac{\sqrt{2 c d-\left (b+\sqrt{b^2-4 a c}\right ) e} x}{\sqrt{b+\sqrt{b^2-4 a c}} \sqrt{d+e x^2}}\right )}{2 c^2 \sqrt{b+\sqrt{b^2-4 a c}}}+\frac{d \sqrt{e} \tanh ^{-1}\left (\frac{\sqrt{e} x}{\sqrt{d+e x^2}}\right )}{2 c}+\frac{\sqrt{e} \left (c d-b e-\frac{b c d-b^2 e+2 a c e}{\sqrt{b^2-4 a c}}\right ) \tanh ^{-1}\left (\frac{\sqrt{e} x}{\sqrt{d+e x^2}}\right )}{2 c^2}+\frac{\sqrt{e} \left (c d-b e+\frac{b c d-b^2 e+2 a c e}{\sqrt{b^2-4 a c}}\right ) \tanh ^{-1}\left (\frac{\sqrt{e} x}{\sqrt{d+e x^2}}\right )}{2 c^2}\\ \end{align*}
Mathematica [B] time = 6.27491, size = 14032, normalized size = 28.58 \[ \text{Result too large to show} \]
Warning: Unable to verify antiderivative.
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Maple [C] time = 0.029, size = 382, normalized size = 0.8 \begin{align*} -{\frac{{x}^{2}}{4\,c}{e}^{{\frac{3}{2}}}}+{\frac{ex}{4\,c}\sqrt{e{x}^{2}+d}}-{\frac{d}{8\,c}\sqrt{e}}+{\frac{{d}^{2}}{8\,c}\sqrt{e} \left ( \sqrt{e{x}^{2}+d}-\sqrt{e}x \right ) ^{-2}}+{\frac{b}{{c}^{2}}{e}^{{\frac{3}{2}}}\ln \left ( \sqrt{e{x}^{2}+d}-\sqrt{e}x \right ) }-{\frac{3\,d}{2\,c}\sqrt{e}\ln \left ( \sqrt{e{x}^{2}+d}-\sqrt{e}x \right ) }+{\frac{1}{2\,{c}^{2}}\sqrt{e}\sum _{{\it \_R}={\it RootOf} \left ( c{{\it \_Z}}^{4}+ \left ( 4\,be-4\,cd \right ){{\it \_Z}}^{3}+ \left ( 16\,a{e}^{2}-8\,deb+6\,c{d}^{2} \right ){{\it \_Z}}^{2}+ \left ( 4\,b{d}^{2}e-4\,c{d}^{3} \right ){\it \_Z}+c{d}^{4} \right ) }{\frac{ \left ( ac{e}^{2}-{b}^{2}{e}^{2}+2\,bcde-{c}^{2}{d}^{2} \right ){{\it \_R}}^{2}+2\, \left ( -2\,ab{e}^{3}+3\,{e}^{2}dac+{b}^{2}d{e}^{2}-2\,bc{d}^{2}e+{c}^{2}{d}^{3} \right ){\it \_R}+ac{d}^{2}{e}^{2}-{b}^{2}{d}^{2}{e}^{2}+2\,bc{d}^{3}e-{c}^{2}{d}^{4}}{{{\it \_R}}^{3}c+3\,{{\it \_R}}^{2}be-3\,{{\it \_R}}^{2}cd+8\,{\it \_R}\,a{e}^{2}-4\,{\it \_R}\,bde+3\,{\it \_R}\,c{d}^{2}+b{d}^{2}e-c{d}^{3}}\ln \left ( \left ( \sqrt{e{x}^{2}+d}-\sqrt{e}x \right ) ^{2}-{\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^{2}}{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] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{x^{2} \left (d + e x^{2}\right )^{\frac{3}{2}}}{a + b x^{2} + c x^{4}}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.43818, size = 78, normalized size = 0.16 \begin{align*} \frac{\sqrt{x^{2} e + d} x e}{2 \, c} - \frac{{\left (3 \, c d e - 2 \, b e^{2}\right )} e^{\left (-\frac{1}{2}\right )} \log \left ({\left (x e^{\frac{1}{2}} - \sqrt{x^{2} e + d}\right )}^{2}\right )}{4 \, c^{2}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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