Optimal. Leaf size=26 \[ -\sqrt{4 x-x^2}-2 \sin ^{-1}\left (1-\frac{x}{2}\right ) \]
[Out]
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Rubi [A] time = 0.0353056, antiderivative size = 26, normalized size of antiderivative = 1., number of steps used = 3, number of rules used = 3, integrand size = 15, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.2 \[ -\sqrt{4 x-x^2}-2 \sin ^{-1}\left (1-\frac{x}{2}\right ) \]
Antiderivative was successfully verified.
[In] Int[x/Sqrt[4*x - x^2],x]
[Out]
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Rubi in Sympy [A] time = 3.70974, size = 17, normalized size = 0.65 \[ - \sqrt{- x^{2} + 4 x} + 2 \operatorname{asin}{\left (\frac{x}{2} - 1 \right )} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] rubi_integrate(x/(-x**2+4*x)**(1/2),x)
[Out]
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Mathematica [A] time = 0.0261938, size = 45, normalized size = 1.73 \[ \frac{(x-4) x+4 \sqrt{x-4} \sqrt{x} \log \left (\sqrt{x-4}+\sqrt{x}\right )}{\sqrt{-(x-4) x}} \]
Antiderivative was successfully verified.
[In] Integrate[x/Sqrt[4*x - x^2],x]
[Out]
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Maple [A] time = 0.006, size = 23, normalized size = 0.9 \[ 2\,\arcsin \left ( -1+x/2 \right ) -\sqrt{-{x}^{2}+4\,x} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] int(x/(-x^2+4*x)^(1/2),x)
[Out]
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Maxima [A] time = 0.78488, size = 30, normalized size = 1.15 \[ -\sqrt{-x^{2} + 4 \, x} - 2 \, \arcsin \left (-\frac{1}{2} \, x + 1\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate(x/sqrt(-x^2 + 4*x),x, algorithm="maxima")
[Out]
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Fricas [A] time = 0.221652, size = 43, normalized size = 1.65 \[ -\sqrt{-x^{2} + 4 \, x} - 4 \, \arctan \left (\frac{\sqrt{-x^{2} + 4 \, x}}{x}\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate(x/sqrt(-x^2 + 4*x),x, algorithm="fricas")
[Out]
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Sympy [F] time = 0., size = 0, normalized size = 0. \[ \int \frac{x}{\sqrt{- x \left (x - 4\right )}}\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate(x/(-x**2+4*x)**(1/2),x)
[Out]
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GIAC/XCAS [A] time = 0.21294, size = 30, normalized size = 1.15 \[ -\sqrt{-x^{2} + 4 \, x} + 2 \, \arcsin \left (\frac{1}{2} \, x - 1\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate(x/sqrt(-x^2 + 4*x),x, algorithm="giac")
[Out]