Optimal. Leaf size=454 \[ -\frac{e \left (b-\sqrt{4 a c+b^2}\right ) \sqrt{\sqrt{4 a c+b^2}+b} \sqrt{1-\frac{2 c x^2}{b-\sqrt{4 a c+b^2}}} \sqrt{1-\frac{2 c x^2}{\sqrt{4 a c+b^2}+b}} (b e+3 c d) E\left (\sin ^{-1}\left (\frac{\sqrt{2} \sqrt{c} x}{\sqrt{b+\sqrt{b^2+4 a c}}}\right )|\frac{b+\sqrt{b^2+4 a c}}{b-\sqrt{b^2+4 a c}}\right )}{3 \sqrt{2} c^{5/2} \sqrt{a+b x^2-c x^4}}+\frac{\sqrt{\sqrt{4 a c+b^2}+b} \sqrt{1-\frac{2 c x^2}{b-\sqrt{4 a c+b^2}}} \sqrt{1-\frac{2 c x^2}{\sqrt{4 a c+b^2}+b}} \left (c e \left (-3 d \sqrt{4 a c+b^2}+a e+3 b d\right )+b e^2 \left (b-\sqrt{4 a c+b^2}\right )+3 c^2 d^2\right ) F\left (\sin ^{-1}\left (\frac{\sqrt{2} \sqrt{c} x}{\sqrt{b+\sqrt{b^2+4 a c}}}\right )|\frac{b+\sqrt{b^2+4 a c}}{b-\sqrt{b^2+4 a c}}\right )}{3 \sqrt{2} c^{5/2} \sqrt{a+b x^2-c x^4}}-\frac{e^2 x \sqrt{a+b x^2-c x^4}}{3 c} \]
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Rubi [A] time = 1.81206, antiderivative size = 454, normalized size of antiderivative = 1., number of steps used = 5, number of rules used = 5, integrand size = 27, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.185 \[ -\frac{e \left (b-\sqrt{4 a c+b^2}\right ) \sqrt{\sqrt{4 a c+b^2}+b} \sqrt{1-\frac{2 c x^2}{b-\sqrt{4 a c+b^2}}} \sqrt{1-\frac{2 c x^2}{\sqrt{4 a c+b^2}+b}} (b e+3 c d) E\left (\sin ^{-1}\left (\frac{\sqrt{2} \sqrt{c} x}{\sqrt{b+\sqrt{b^2+4 a c}}}\right )|\frac{b+\sqrt{b^2+4 a c}}{b-\sqrt{b^2+4 a c}}\right )}{3 \sqrt{2} c^{5/2} \sqrt{a+b x^2-c x^4}}+\frac{\sqrt{\sqrt{4 a c+b^2}+b} \sqrt{1-\frac{2 c x^2}{b-\sqrt{4 a c+b^2}}} \sqrt{1-\frac{2 c x^2}{\sqrt{4 a c+b^2}+b}} \left (c e \left (-3 d \sqrt{4 a c+b^2}+a e+3 b d\right )+b e^2 \left (b-\sqrt{4 a c+b^2}\right )+3 c^2 d^2\right ) F\left (\sin ^{-1}\left (\frac{\sqrt{2} \sqrt{c} x}{\sqrt{b+\sqrt{b^2+4 a c}}}\right )|\frac{b+\sqrt{b^2+4 a c}}{b-\sqrt{b^2+4 a c}}\right )}{3 \sqrt{2} c^{5/2} \sqrt{a+b x^2-c x^4}}-\frac{e^2 x \sqrt{a+b x^2-c x^4}}{3 c} \]
Antiderivative was successfully verified.
[In] Int[(d + e*x^2)^2/Sqrt[a + b*x^2 - c*x^4],x]
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Rubi in Sympy [A] time = 142.436, size = 405, normalized size = 0.89 \[ - \frac{e^{2} x \sqrt{a + b x^{2} - c x^{4}}}{3 c} - \frac{\sqrt{2} e \left (b - \sqrt{4 a c + b^{2}}\right ) \sqrt{b + \sqrt{4 a c + b^{2}}} \left (b e + 3 c d\right ) \sqrt{- \frac{2 c x^{2}}{b - \sqrt{4 a c + b^{2}}} + 1} \sqrt{- \frac{2 c x^{2}}{b + \sqrt{4 a c + b^{2}}} + 1} E\left (\operatorname{asin}{\left (\frac{\sqrt{2} \sqrt{c} x}{\sqrt{b + \sqrt{4 a c + b^{2}}}} \right )}\middle | \frac{b + \sqrt{4 a c + b^{2}}}{b - \sqrt{4 a c + b^{2}}}\right )}{6 c^{\frac{5}{2}} \sqrt{a + b x^{2} - c x^{4}}} + \frac{\sqrt{2} \sqrt{b + \sqrt{4 a c + b^{2}}} \sqrt{- \frac{2 c x^{2}}{b - \sqrt{4 a c + b^{2}}} + 1} \sqrt{- \frac{2 c x^{2}}{b + \sqrt{4 a c + b^{2}}} + 1} \left (b e^{2} \left (b - \sqrt{4 a c + b^{2}}\right ) + 3 c d e \left (b - \sqrt{4 a c + b^{2}}\right ) + c \left (a e^{2} + 3 c d^{2}\right )\right ) F\left (\operatorname{asin}{\left (\frac{\sqrt{2} \sqrt{c} x}{\sqrt{b + \sqrt{4 a c + b^{2}}}} \right )}\middle | \frac{b + \sqrt{4 a c + b^{2}}}{b - \sqrt{4 a c + b^{2}}}\right )}{6 c^{\frac{5}{2}} \sqrt{a + b x^{2} - c x^{4}}} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] rubi_integrate((e*x**2+d)**2/(-c*x**4+b*x**2+a)**(1/2),x)
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Mathematica [C] time = 2.44266, size = 503, normalized size = 1.11 \[ \frac{i \sqrt{2} \sqrt{\frac{\sqrt{4 a c+b^2}+b-2 c x^2}{\sqrt{4 a c+b^2}+b}} \sqrt{\frac{\sqrt{4 a c+b^2}-b+2 c x^2}{\sqrt{4 a c+b^2}-b}} \left (-c e \left (-3 d \sqrt{4 a c+b^2}+a e+3 b d\right )+b e^2 \left (\sqrt{4 a c+b^2}-b\right )-3 c^2 d^2\right ) F\left (i \sinh ^{-1}\left (\sqrt{2} \sqrt{-\frac{c}{b+\sqrt{b^2+4 a c}}} x\right )|\frac{b+\sqrt{b^2+4 a c}}{b-\sqrt{b^2+4 a c}}\right )-i \sqrt{2} e \left (\sqrt{4 a c+b^2}-b\right ) \sqrt{\frac{\sqrt{4 a c+b^2}+b-2 c x^2}{\sqrt{4 a c+b^2}+b}} \sqrt{\frac{\sqrt{4 a c+b^2}-b+2 c x^2}{\sqrt{4 a c+b^2}-b}} (b e+3 c d) E\left (i \sinh ^{-1}\left (\sqrt{2} \sqrt{-\frac{c}{b+\sqrt{b^2+4 a c}}} x\right )|\frac{b+\sqrt{b^2+4 a c}}{b-\sqrt{b^2+4 a c}}\right )+2 c e^2 x \sqrt{-\frac{c}{\sqrt{4 a c+b^2}+b}} \left (-a-b x^2+c x^4\right )}{6 c^2 \sqrt{-\frac{c}{\sqrt{4 a c+b^2}+b}} \sqrt{a+b x^2-c x^4}} \]
Antiderivative was successfully verified.
[In] Integrate[(d + e*x^2)^2/Sqrt[a + b*x^2 - c*x^4],x]
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Maple [A] time = 0.012, size = 761, normalized size = 1.7 \[ \text{result too large to display} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] int((e*x^2+d)^2/(-c*x^4+b*x^2+a)^(1/2),x)
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Maxima [F] time = 0., size = 0, normalized size = 0. \[ \int \frac{{\left (e x^{2} + d\right )}^{2}}{\sqrt{-c x^{4} + b x^{2} + a}}\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate((e*x^2 + d)^2/sqrt(-c*x^4 + b*x^2 + a),x, algorithm="maxima")
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Fricas [F] time = 0., size = 0, normalized size = 0. \[{\rm integral}\left (\frac{e^{2} x^{4} + 2 \, d e x^{2} + d^{2}}{\sqrt{-c x^{4} + b x^{2} + a}}, x\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate((e*x^2 + d)^2/sqrt(-c*x^4 + b*x^2 + a),x, algorithm="fricas")
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Sympy [F] time = 0., size = 0, normalized size = 0. \[ \int \frac{\left (d + e x^{2}\right )^{2}}{\sqrt{a + b x^{2} - c x^{4}}}\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate((e*x**2+d)**2/(-c*x**4+b*x**2+a)**(1/2),x)
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GIAC/XCAS [F] time = 0., size = 0, normalized size = 0. \[ \int \frac{{\left (e x^{2} + d\right )}^{2}}{\sqrt{-c x^{4} + b x^{2} + a}}\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate((e*x^2 + d)^2/sqrt(-c*x^4 + b*x^2 + a),x, algorithm="giac")
[Out]