Optimal. Leaf size=31 \[ -\log (a-x)-\frac{2 \tan ^{-1}\left (\frac{a+2 x}{\sqrt{3} a}\right )}{\sqrt{3}} \]
[Out]
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Rubi [A] time = 0.0730572, antiderivative size = 31, normalized size of antiderivative = 1., number of steps used = 4, number of rules used = 4, integrand size = 18, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.222 \[ -\log (a-x)-\frac{2 \tan ^{-1}\left (\frac{a+2 x}{\sqrt{3} a}\right )}{\sqrt{3}} \]
Antiderivative was successfully verified.
[In] Int[(x*(2*a + x))/(a^3 - x^3),x]
[Out]
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Rubi in Sympy [A] time = 10.7522, size = 31, normalized size = 1. \[ - \log{\left (a - x \right )} - \frac{2 \sqrt{3} \operatorname{atan}{\left (\frac{\sqrt{3} \left (\frac{a}{3} + \frac{2 x}{3}\right )}{a} \right )}}{3} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] rubi_integrate(x*(2*a+x)/(a**3-x**3),x)
[Out]
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Mathematica [A] time = 0.0107569, size = 58, normalized size = 1.87 \[ \frac{1}{3} \left (-\log \left (x^3-a^3\right )+\log \left (a^2+a x+x^2\right )-2 \log (x-a)-2 \sqrt{3} \tan ^{-1}\left (\frac{a+2 x}{\sqrt{3} a}\right )\right ) \]
Antiderivative was successfully verified.
[In] Integrate[(x*(2*a + x))/(a^3 - x^3),x]
[Out]
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Maple [A] time = 0.007, size = 29, normalized size = 0.9 \[ -{\frac{2\,\sqrt{3}}{3}\arctan \left ({\frac{ \left ( a+2\,x \right ) \sqrt{3}}{3\,a}} \right ) }-\ln \left ( x-a \right ) \]
Verification of antiderivative is not currently implemented for this CAS.
[In] int(x*(2*a+x)/(a^3-x^3),x)
[Out]
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Maxima [A] time = 1.56903, size = 38, normalized size = 1.23 \[ -\frac{2}{3} \, \sqrt{3} \arctan \left (\frac{\sqrt{3}{\left (a + 2 \, x\right )}}{3 \, a}\right ) - \log \left (-a + x\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate((2*a + x)*x/(a^3 - x^3),x, algorithm="maxima")
[Out]
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Fricas [A] time = 0.245718, size = 43, normalized size = 1.39 \[ -\frac{1}{3} \, \sqrt{3}{\left (\sqrt{3} \log \left (-a + x\right ) + 2 \, \arctan \left (\frac{\sqrt{3}{\left (a + 2 \, x\right )}}{3 \, a}\right )\right )} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate((2*a + x)*x/(a^3 - x^3),x, algorithm="fricas")
[Out]
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Sympy [A] time = 0.590054, size = 54, normalized size = 1.74 \[ - \log{\left (- a + x \right )} + \frac{\sqrt{3} i \log{\left (\frac{a}{2} - \frac{\sqrt{3} i a}{2} + x \right )}}{3} - \frac{\sqrt{3} i \log{\left (\frac{a}{2} + \frac{\sqrt{3} i a}{2} + x \right )}}{3} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate(x*(2*a+x)/(a**3-x**3),x)
[Out]
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GIAC/XCAS [A] time = 0.213617, size = 39, normalized size = 1.26 \[ -\frac{2}{3} \, \sqrt{3} \arctan \left (\frac{\sqrt{3}{\left (a + 2 \, x\right )}}{3 \, a}\right ) -{\rm ln}\left ({\left | -a + x \right |}\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate((2*a + x)*x/(a^3 - x^3),x, algorithm="giac")
[Out]