3.78 \(\int \frac{1+\sqrt{3}+x}{\left (1-\sqrt{3}+x\right ) \sqrt{1+x^3}} \, dx\)

Optimal. Leaf size=42 \[ -\frac{2 \tanh ^{-1}\left (\frac{\sqrt{2 \sqrt{3}-3} (x+1)}{\sqrt{x^3+1}}\right )}{\sqrt{2 \sqrt{3}-3}} \]

[Out]

(-2*ArcTanh[(Sqrt[-3 + 2*Sqrt[3]]*(1 + x))/Sqrt[1 + x^3]])/Sqrt[-3 + 2*Sqrt[3]]

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Rubi [A]  time = 0.196289, antiderivative size = 42, normalized size of antiderivative = 1., number of steps used = 2, number of rules used = 2, integrand size = 30, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.067 \[ -\frac{2 \tanh ^{-1}\left (\frac{\sqrt{2 \sqrt{3}-3} (x+1)}{\sqrt{x^3+1}}\right )}{\sqrt{2 \sqrt{3}-3}} \]

Antiderivative was successfully verified.

[In]  Int[(1 + Sqrt[3] + x)/((1 - Sqrt[3] + x)*Sqrt[1 + x^3]),x]

[Out]

(-2*ArcTanh[(Sqrt[-3 + 2*Sqrt[3]]*(1 + x))/Sqrt[1 + x^3]])/Sqrt[-3 + 2*Sqrt[3]]

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Rubi in Sympy [A]  time = 29.8299, size = 134, normalized size = 3.19 \[ - \frac{2 \cdot 3^{\frac{3}{4}} \sqrt{\frac{x^{2} - x + 1}{\left (x + 1 + \sqrt{3}\right )^{2}}} \left (x + 1\right ) \operatorname{atanh}{\left (\frac{\left (- \sqrt{3} + 2\right ) \sqrt{- \frac{\left (- x - 1 + \sqrt{3}\right )^{2}}{\left (x + 1 + \sqrt{3}\right )^{2}} + 1}}{\sqrt{\frac{\left (- x - 1 + \sqrt{3}\right )^{2}}{\left (x + 1 + \sqrt{3}\right )^{2}} - 4 \sqrt{3} + 7}} \right )}}{3 \sqrt{\frac{x + 1}{\left (x + 1 + \sqrt{3}\right )^{2}}} \sqrt{- \sqrt{3} + 2} \sqrt{x^{3} + 1}} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]  rubi_integrate((1+x+3**(1/2))/(1+x-3**(1/2))/(x**3+1)**(1/2),x)

[Out]

-2*3**(3/4)*sqrt((x**2 - x + 1)/(x + 1 + sqrt(3))**2)*(x + 1)*atanh((-sqrt(3) +
2)*sqrt(-(-x - 1 + sqrt(3))**2/(x + 1 + sqrt(3))**2 + 1)/sqrt((-x - 1 + sqrt(3))
**2/(x + 1 + sqrt(3))**2 - 4*sqrt(3) + 7))/(3*sqrt((x + 1)/(x + 1 + sqrt(3))**2)
*sqrt(-sqrt(3) + 2)*sqrt(x**3 + 1))

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Mathematica [C]  time = 0.499341, size = 267, normalized size = 6.36 \[ -\frac{2 \sqrt{6} \sqrt{\frac{i (x+1)}{\sqrt{3}+3 i}} \left (4 i \sqrt{-2 i x+\sqrt{3}+i} \sqrt{x^2-x+1} \Pi \left (\frac{2 i \sqrt{3}}{-3+(2+i) \sqrt{3}};\sin ^{-1}\left (\frac{\sqrt{-2 i x+\sqrt{3}+i}}{\sqrt{2} \sqrt [4]{3}}\right )|\frac{2 \sqrt{3}}{3 i+\sqrt{3}}\right )+\sqrt{2 i x+\sqrt{3}-i} \left (\left (\sqrt{3}+(-2-i)\right ) x-i \sqrt{3}+(1+2 i)\right ) F\left (\sin ^{-1}\left (\frac{\sqrt{-2 i x+\sqrt{3}+i}}{\sqrt{2} \sqrt [4]{3}}\right )|\frac{2 \sqrt{3}}{3 i+\sqrt{3}}\right )\right )}{\left (-3+(2+i) \sqrt{3}\right ) \sqrt{-2 i x+\sqrt{3}+i} \sqrt{x^3+1}} \]

Warning: Unable to verify antiderivative.

[In]  Integrate[(1 + Sqrt[3] + x)/((1 - Sqrt[3] + x)*Sqrt[1 + x^3]),x]

[Out]

(-2*Sqrt[6]*Sqrt[(I*(1 + x))/(3*I + Sqrt[3])]*(Sqrt[-I + Sqrt[3] + (2*I)*x]*((1
+ 2*I) - I*Sqrt[3] + ((-2 - I) + Sqrt[3])*x)*EllipticF[ArcSin[Sqrt[I + Sqrt[3] -
 (2*I)*x]/(Sqrt[2]*3^(1/4))], (2*Sqrt[3])/(3*I + Sqrt[3])] + (4*I)*Sqrt[I + Sqrt
[3] - (2*I)*x]*Sqrt[1 - x + x^2]*EllipticPi[((2*I)*Sqrt[3])/(-3 + (2 + I)*Sqrt[3
]), ArcSin[Sqrt[I + Sqrt[3] - (2*I)*x]/(Sqrt[2]*3^(1/4))], (2*Sqrt[3])/(3*I + Sq
rt[3])]))/((-3 + (2 + I)*Sqrt[3])*Sqrt[I + Sqrt[3] - (2*I)*x]*Sqrt[1 + x^3])

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Maple [C]  time = 0.074, size = 245, normalized size = 5.8 \[ 2\,{\frac{3/2-i/2\sqrt{3}}{\sqrt{{x}^{3}+1}}\sqrt{{\frac{1+x}{3/2-i/2\sqrt{3}}}}\sqrt{{\frac{x-1/2-i/2\sqrt{3}}{-3/2-i/2\sqrt{3}}}}\sqrt{{\frac{x-1/2+i/2\sqrt{3}}{-3/2+i/2\sqrt{3}}}}{\it EllipticF} \left ( \sqrt{{\frac{1+x}{3/2-i/2\sqrt{3}}}},\sqrt{{\frac{-3/2+i/2\sqrt{3}}{-3/2-i/2\sqrt{3}}}} \right ) }-4\,{\frac{3/2-i/2\sqrt{3}}{\sqrt{{x}^{3}+1}}\sqrt{{\frac{1+x}{3/2-i/2\sqrt{3}}}}\sqrt{{\frac{x-1/2-i/2\sqrt{3}}{-3/2-i/2\sqrt{3}}}}\sqrt{{\frac{x-1/2+i/2\sqrt{3}}{-3/2+i/2\sqrt{3}}}}{\it EllipticPi} \left ( \sqrt{{\frac{1+x}{3/2-i/2\sqrt{3}}}},-1/3\, \left ( -3/2+i/2\sqrt{3} \right ) \sqrt{3},\sqrt{{\frac{-3/2+i/2\sqrt{3}}{-3/2-i/2\sqrt{3}}}} \right ) } \]

Verification of antiderivative is not currently implemented for this CAS.

[In]  int((1+x+3^(1/2))/(1+x-3^(1/2))/(x^3+1)^(1/2),x)

[Out]

2*(3/2-1/2*I*3^(1/2))*((1+x)/(3/2-1/2*I*3^(1/2)))^(1/2)*((x-1/2-1/2*I*3^(1/2))/(
-3/2-1/2*I*3^(1/2)))^(1/2)*((x-1/2+1/2*I*3^(1/2))/(-3/2+1/2*I*3^(1/2)))^(1/2)/(x
^3+1)^(1/2)*EllipticF(((1+x)/(3/2-1/2*I*3^(1/2)))^(1/2),((-3/2+1/2*I*3^(1/2))/(-
3/2-1/2*I*3^(1/2)))^(1/2))-4*(3/2-1/2*I*3^(1/2))*((1+x)/(3/2-1/2*I*3^(1/2)))^(1/
2)*((x-1/2-1/2*I*3^(1/2))/(-3/2-1/2*I*3^(1/2)))^(1/2)*((x-1/2+1/2*I*3^(1/2))/(-3
/2+1/2*I*3^(1/2)))^(1/2)/(x^3+1)^(1/2)*EllipticPi(((1+x)/(3/2-1/2*I*3^(1/2)))^(1
/2),-1/3*(-3/2+1/2*I*3^(1/2))*3^(1/2),((-3/2+1/2*I*3^(1/2))/(-3/2-1/2*I*3^(1/2))
)^(1/2))

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Maxima [F]  time = 0., size = 0, normalized size = 0. \[ \int \frac{x + \sqrt{3} + 1}{\sqrt{x^{3} + 1}{\left (x - \sqrt{3} + 1\right )}}\,{d x} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]  integrate((x + sqrt(3) + 1)/(sqrt(x^3 + 1)*(x - sqrt(3) + 1)),x, algorithm="maxima")

[Out]

integrate((x + sqrt(3) + 1)/(sqrt(x^3 + 1)*(x - sqrt(3) + 1)), x)

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Fricas [A]  time = 0.364487, size = 363, normalized size = 8.64 \[ \frac{1}{6} \, \sqrt{3} \sqrt{2 \, \sqrt{3} + 3} \log \left (\frac{6322680 \, x^{8} - 13553256 \, x^{7} + 26133432 \, x^{6} - 63422352 \, x^{5} + 113743056 \, x^{4} - 136435776 \, x^{3} + 102727296 \, x^{2} - 4 \,{\left (1694157 \, x^{6} - 5868732 \, x^{5} + 10586298 \, x^{4} - 12840912 \, x^{3} + 9886740 \, x^{2} + 2 \, \sqrt{3}{\left (489061 \, x^{6} - 1694157 \, x^{5} + 3056001 \, x^{4} - 3706852 \, x^{3} + 2854056 \, x^{2} - 1198884 \, x + 205636\right )} - 4153056 \, x + 712344\right )} \sqrt{x^{3} + 1} \sqrt{2 \, \sqrt{3} + 3} + \sqrt{3}{\left (3650401 \, x^{8} - 7824976 \, x^{7} + 15088144 \, x^{6} - 36616912 \, x^{5} + 65669584 \, x^{4} - 78771232 \, x^{3} + 59309632 \, x^{2} - 24558208 \, x + 4193392\right )} - 42536064 \, x + 7263168}{6322680 \, x^{8} - 37028184 \, x^{7} + 94872792 \, x^{6} - 138903408 \, x^{5} + 127105440 \, x^{4} - 74438112 \, x^{3} + 27246240 \, x^{2} + \sqrt{3}{\left (3650401 \, x^{8} - 21378232 \, x^{7} + 54774832 \, x^{6} - 80195920 \, x^{5} + 73384360 \, x^{4} - 42976864 \, x^{3} + 15730624 \, x^{2} - 3290176 \, x + 301072\right )} - 5698752 \, x + 521472}\right ) \]

Verification of antiderivative is not currently implemented for this CAS.

[In]  integrate((x + sqrt(3) + 1)/(sqrt(x^3 + 1)*(x - sqrt(3) + 1)),x, algorithm="fricas")

[Out]

1/6*sqrt(3)*sqrt(2*sqrt(3) + 3)*log((6322680*x^8 - 13553256*x^7 + 26133432*x^6 -
 63422352*x^5 + 113743056*x^4 - 136435776*x^3 + 102727296*x^2 - 4*(1694157*x^6 -
 5868732*x^5 + 10586298*x^4 - 12840912*x^3 + 9886740*x^2 + 2*sqrt(3)*(489061*x^6
 - 1694157*x^5 + 3056001*x^4 - 3706852*x^3 + 2854056*x^2 - 1198884*x + 205636) -
 4153056*x + 712344)*sqrt(x^3 + 1)*sqrt(2*sqrt(3) + 3) + sqrt(3)*(3650401*x^8 -
7824976*x^7 + 15088144*x^6 - 36616912*x^5 + 65669584*x^4 - 78771232*x^3 + 593096
32*x^2 - 24558208*x + 4193392) - 42536064*x + 7263168)/(6322680*x^8 - 37028184*x
^7 + 94872792*x^6 - 138903408*x^5 + 127105440*x^4 - 74438112*x^3 + 27246240*x^2
+ sqrt(3)*(3650401*x^8 - 21378232*x^7 + 54774832*x^6 - 80195920*x^5 + 73384360*x
^4 - 42976864*x^3 + 15730624*x^2 - 3290176*x + 301072) - 5698752*x + 521472))

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Sympy [F]  time = 0., size = 0, normalized size = 0. \[ \int \frac{x + 1 + \sqrt{3}}{\sqrt{\left (x + 1\right ) \left (x^{2} - x + 1\right )} \left (x - \sqrt{3} + 1\right )}\, dx \]

Verification of antiderivative is not currently implemented for this CAS.

[In]  integrate((1+x+3**(1/2))/(1+x-3**(1/2))/(x**3+1)**(1/2),x)

[Out]

Integral((x + 1 + sqrt(3))/(sqrt((x + 1)*(x**2 - x + 1))*(x - sqrt(3) + 1)), x)

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GIAC/XCAS [F]  time = 0., size = 0, normalized size = 0. \[ \int \frac{x + \sqrt{3} + 1}{\sqrt{x^{3} + 1}{\left (x - \sqrt{3} + 1\right )}}\,{d x} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]  integrate((x + sqrt(3) + 1)/(sqrt(x^3 + 1)*(x - sqrt(3) + 1)),x, algorithm="giac")

[Out]

integrate((x + sqrt(3) + 1)/(sqrt(x^3 + 1)*(x - sqrt(3) + 1)), x)