Optimal. Leaf size=38 \[ \frac{1}{3} \left (1-x^2\right )^{3/2}+\frac{1}{2} x \sqrt{1-x^2}+\frac{1}{2} \sin ^{-1}(x) \]
[Out]
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Rubi [A] time = 0.0283483, antiderivative size = 38, normalized size of antiderivative = 1., number of steps used = 3, number of rules used = 3, integrand size = 17, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.176 \[ \frac{1}{3} \left (1-x^2\right )^{3/2}+\frac{1}{2} x \sqrt{1-x^2}+\frac{1}{2} \sin ^{-1}(x) \]
Antiderivative was successfully verified.
[In] Int[(1 - x)*Sqrt[1 - x^2],x]
[Out]
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Rubi in Sympy [A] time = 3.80708, size = 26, normalized size = 0.68 \[ \frac{x \sqrt{- x^{2} + 1}}{2} + \frac{\left (- x^{2} + 1\right )^{\frac{3}{2}}}{3} + \frac{\operatorname{asin}{\left (x \right )}}{2} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] rubi_integrate((1-x)*(-x**2+1)**(1/2),x)
[Out]
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Mathematica [A] time = 0.0309443, size = 32, normalized size = 0.84 \[ \frac{1}{6} \left (3 \sin ^{-1}(x)-\sqrt{1-x^2} \left (2 x^2-3 x-2\right )\right ) \]
Antiderivative was successfully verified.
[In] Integrate[(1 - x)*Sqrt[1 - x^2],x]
[Out]
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Maple [A] time = 0.006, size = 29, normalized size = 0.8 \[{\frac{1}{3} \left ( -{x}^{2}+1 \right ) ^{{\frac{3}{2}}}}+{\frac{\arcsin \left ( x \right ) }{2}}+{\frac{x}{2}\sqrt{-{x}^{2}+1}} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] int((1-x)*(-x^2+1)^(1/2),x)
[Out]
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Maxima [A] time = 0.783065, size = 38, normalized size = 1. \[ \frac{1}{3} \,{\left (-x^{2} + 1\right )}^{\frac{3}{2}} + \frac{1}{2} \, \sqrt{-x^{2} + 1} x + \frac{1}{2} \, \arcsin \left (x\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate(-sqrt(-x^2 + 1)*(x - 1),x, algorithm="maxima")
[Out]
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Fricas [A] time = 0.215849, size = 171, normalized size = 4.5 \[ -\frac{2 \, x^{6} - 3 \, x^{5} - 12 \, x^{4} + 15 \, x^{3} + 12 \, x^{2} + 6 \,{\left (3 \, x^{2} -{\left (x^{2} - 4\right )} \sqrt{-x^{2} + 1} - 4\right )} \arctan \left (\frac{\sqrt{-x^{2} + 1} - 1}{x}\right ) + 3 \,{\left (2 \, x^{4} - 3 \, x^{3} - 4 \, x^{2} + 4 \, x\right )} \sqrt{-x^{2} + 1} - 12 \, x}{6 \,{\left (3 \, x^{2} -{\left (x^{2} - 4\right )} \sqrt{-x^{2} + 1} - 4\right )}} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate(-sqrt(-x^2 + 1)*(x - 1),x, algorithm="fricas")
[Out]
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Sympy [A] time = 0.519939, size = 39, normalized size = 1.03 \[ - \frac{x^{2} \sqrt{- x^{2} + 1}}{3} + \frac{x \sqrt{- x^{2} + 1}}{2} + \frac{\sqrt{- x^{2} + 1}}{3} + \frac{\operatorname{asin}{\left (x \right )}}{2} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate((1-x)*(-x**2+1)**(1/2),x)
[Out]
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GIAC/XCAS [A] time = 0.213479, size = 34, normalized size = 0.89 \[ -\frac{1}{6} \,{\left ({\left (2 \, x - 3\right )} x - 2\right )} \sqrt{-x^{2} + 1} + \frac{1}{2} \, \arcsin \left (x\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate(-sqrt(-x^2 + 1)*(x - 1),x, algorithm="giac")
[Out]