Optimal. Leaf size=25 \[ \frac{1}{3} \tanh ^{-1}\left (\frac{3 x+1}{\sqrt{9 x^2+6 x-8}}\right ) \]
[Out]
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Rubi [A] time = 0.0137868, antiderivative size = 25, normalized size of antiderivative = 1., number of steps used = 2, number of rules used = 2, integrand size = 14, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.143 \[ \frac{1}{3} \tanh ^{-1}\left (\frac{3 x+1}{\sqrt{9 x^2+6 x-8}}\right ) \]
Antiderivative was successfully verified.
[In] Int[1/Sqrt[-8 + 6*x + 9*x^2],x]
[Out]
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Rubi in Sympy [A] time = 0.701501, size = 22, normalized size = 0.88 \[ \frac{\operatorname{atanh}{\left (\frac{18 x + 6}{6 \sqrt{9 x^{2} + 6 x - 8}} \right )}}{3} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] rubi_integrate(1/(9*x**2+6*x-8)**(1/2),x)
[Out]
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Mathematica [A] time = 0.00895472, size = 24, normalized size = 0.96 \[ \frac{1}{3} \log \left (\sqrt{9 x^2+6 x-8}+3 x+1\right ) \]
Antiderivative was successfully verified.
[In] Integrate[1/Sqrt[-8 + 6*x + 9*x^2],x]
[Out]
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Maple [A] time = 0.004, size = 30, normalized size = 1.2 \[{\frac{\sqrt{9}}{9}\ln \left ({\frac{ \left ( 3+9\,x \right ) \sqrt{9}}{9}}+\sqrt{9\,{x}^{2}+6\,x-8} \right ) } \]
Verification of antiderivative is not currently implemented for this CAS.
[In] int(1/(9*x^2+6*x-8)^(1/2),x)
[Out]
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Maxima [A] time = 1.56198, size = 30, normalized size = 1.2 \[ \frac{1}{3} \, \log \left (18 \, x + 6 \, \sqrt{9 \, x^{2} + 6 \, x - 8} + 6\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate(1/sqrt(9*x^2 + 6*x - 8),x, algorithm="maxima")
[Out]
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Fricas [A] time = 0.196927, size = 27, normalized size = 1.08 \[ -\frac{1}{3} \, \log \left (-3 \, x + \sqrt{9 \, x^{2} + 6 \, x - 8} - 1\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate(1/sqrt(9*x^2 + 6*x - 8),x, algorithm="fricas")
[Out]
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Sympy [F] time = 0., size = 0, normalized size = 0. \[ \int \frac{1}{\sqrt{9 x^{2} + 6 x - 8}}\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate(1/(9*x**2+6*x-8)**(1/2),x)
[Out]
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GIAC/XCAS [A] time = 0.207921, size = 28, normalized size = 1.12 \[ -\frac{1}{3} \,{\rm ln}\left ({\left | -3 \, x + \sqrt{9 \, x^{2} + 6 \, x - 8} - 1 \right |}\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate(1/sqrt(9*x^2 + 6*x - 8),x, algorithm="giac")
[Out]