Optimal. Leaf size=27 \[ \frac{1}{8} x \sqrt{4 x^2+9}-\frac{9}{16} \sinh ^{-1}\left (\frac{2 x}{3}\right ) \]
[Out]
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Rubi [A] time = 0.0226055, antiderivative size = 27, normalized size of antiderivative = 1., number of steps used = 2, number of rules used = 2, integrand size = 15, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.133 \[ \frac{1}{8} x \sqrt{4 x^2+9}-\frac{9}{16} \sinh ^{-1}\left (\frac{2 x}{3}\right ) \]
Antiderivative was successfully verified.
[In] Int[x^2/Sqrt[9 + 4*x^2],x]
[Out]
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Rubi in Sympy [A] time = 3.63142, size = 22, normalized size = 0.81 \[ \frac{x \sqrt{4 x^{2} + 9}}{8} - \frac{9 \operatorname{asinh}{\left (\frac{2 x}{3} \right )}}{16} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] rubi_integrate(x**2/(4*x**2+9)**(1/2),x)
[Out]
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Mathematica [A] time = 0.0142908, size = 27, normalized size = 1. \[ \frac{1}{8} x \sqrt{4 x^2+9}-\frac{9}{16} \sinh ^{-1}\left (\frac{2 x}{3}\right ) \]
Antiderivative was successfully verified.
[In] Integrate[x^2/Sqrt[9 + 4*x^2],x]
[Out]
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Maple [A] time = 0.006, size = 20, normalized size = 0.7 \[ -{\frac{9}{16}{\it Arcsinh} \left ({\frac{2\,x}{3}} \right ) }+{\frac{x}{8}\sqrt{4\,{x}^{2}+9}} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] int(x^2/(4*x^2+9)^(1/2),x)
[Out]
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Maxima [A] time = 1.50378, size = 26, normalized size = 0.96 \[ \frac{1}{8} \, \sqrt{4 \, x^{2} + 9} x - \frac{9}{16} \, \operatorname{arsinh}\left (\frac{2}{3} \, x\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate(x^2/sqrt(4*x^2 + 9),x, algorithm="maxima")
[Out]
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Fricas [A] time = 0.233359, size = 120, normalized size = 4.44 \[ -\frac{32 \, x^{4} + 72 \, x^{2} - 9 \,{\left (8 \, x^{2} - 4 \, \sqrt{4 \, x^{2} + 9} x + 9\right )} \log \left (-2 \, x + \sqrt{4 \, x^{2} + 9}\right ) - 2 \,{\left (8 \, x^{3} + 9 \, x\right )} \sqrt{4 \, x^{2} + 9}}{16 \,{\left (8 \, x^{2} - 4 \, \sqrt{4 \, x^{2} + 9} x + 9\right )}} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate(x^2/sqrt(4*x^2 + 9),x, algorithm="fricas")
[Out]
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Sympy [A] time = 0.533, size = 22, normalized size = 0.81 \[ \frac{x \sqrt{4 x^{2} + 9}}{8} - \frac{9 \operatorname{asinh}{\left (\frac{2 x}{3} \right )}}{16} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate(x**2/(4*x**2+9)**(1/2),x)
[Out]
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GIAC/XCAS [A] time = 0.213792, size = 39, normalized size = 1.44 \[ \frac{1}{8} \, \sqrt{4 \, x^{2} + 9} x + \frac{9}{16} \,{\rm ln}\left (-2 \, x + \sqrt{4 \, x^{2} + 9}\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate(x^2/sqrt(4*x^2 + 9),x, algorithm="giac")
[Out]