3.123 \(\int \frac{1-\sqrt{3}-\sqrt [3]{\frac{b}{a}} x}{(1+\sqrt{3}-\sqrt [3]{\frac{b}{a}} x) \sqrt{-a+b x^3}} \, dx\)
Optimal. Leaf size=76 \[ \frac{2 \tanh ^{-1}\left (\frac{\sqrt{3+2 \sqrt{3}} \sqrt{a} \left (1-x \sqrt [3]{\frac{b}{a}}\right )}{\sqrt{b x^3-a}}\right )}{\sqrt{3+2 \sqrt{3}} \sqrt{a} \sqrt [3]{\frac{b}{a}}} \]
[Out]
(2*ArcTanh[(Sqrt[3 + 2*Sqrt[3]]*Sqrt[a]*(1 - (b/a)^(1/3)*x))/Sqrt[-a + b*x^3]])/(Sqrt[3 + 2*Sqrt[3]]*Sqrt[a]*(
b/a)^(1/3))
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Rubi [A] time = 0.185271, antiderivative size = 76, normalized size of antiderivative = 1.,
number of steps used = 2, number of rules used = 2, integrand size = 56, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.036, Rules used =
{2140, 206} \[ \frac{2 \tanh ^{-1}\left (\frac{\sqrt{3+2 \sqrt{3}} \sqrt{a} \left (1-x \sqrt [3]{\frac{b}{a}}\right )}{\sqrt{b x^3-a}}\right )}{\sqrt{3+2 \sqrt{3}} \sqrt{a} \sqrt [3]{\frac{b}{a}}} \]
Antiderivative was successfully verified.
[In]
Int[(1 - Sqrt[3] - (b/a)^(1/3)*x)/((1 + Sqrt[3] - (b/a)^(1/3)*x)*Sqrt[-a + b*x^3]),x]
[Out]
(2*ArcTanh[(Sqrt[3 + 2*Sqrt[3]]*Sqrt[a]*(1 - (b/a)^(1/3)*x))/Sqrt[-a + b*x^3]])/(Sqrt[3 + 2*Sqrt[3]]*Sqrt[a]*(
b/a)^(1/3))
Rule 2140
Int[((e_) + (f_.)*(x_))/(((c_) + (d_.)*(x_))*Sqrt[(a_) + (b_.)*(x_)^3]), x_Symbol] :> With[{k = Simplify[(d*e
+ 2*c*f)/(c*f)]}, Dist[((1 + k)*e)/d, Subst[Int[1/(1 + (3 + 2*k)*a*x^2), x], x, (1 + ((1 + k)*d*x)/c)/Sqrt[a +
b*x^3]], x]] /; FreeQ[{a, b, c, d, e, f}, x] && NeQ[d*e - c*f, 0] && EqQ[b^2*c^6 - 20*a*b*c^3*d^3 - 8*a^2*d^6
, 0] && EqQ[6*a*d^4*e - c*f*(b*c^3 - 22*a*d^3), 0]
Rule 206
Int[((a_) + (b_.)*(x_)^2)^(-1), x_Symbol] :> Simp[(1*ArcTanh[(Rt[-b, 2]*x)/Rt[a, 2]])/(Rt[a, 2]*Rt[-b, 2]), x]
/; FreeQ[{a, b}, x] && NegQ[a/b] && (GtQ[a, 0] || LtQ[b, 0])
Rubi steps
\begin{align*} \int \frac{1-\sqrt{3}-\sqrt [3]{\frac{b}{a}} x}{\left (1+\sqrt{3}-\sqrt [3]{\frac{b}{a}} x\right ) \sqrt{-a+b x^3}} \, dx &=\frac{2 \operatorname{Subst}\left (\int \frac{1}{1-\left (3+2 \sqrt{3}\right ) a x^2} \, dx,x,\frac{1-\sqrt [3]{\frac{b}{a}} x}{\sqrt{-a+b x^3}}\right )}{\sqrt [3]{\frac{b}{a}}}\\ &=\frac{2 \tanh ^{-1}\left (\frac{\sqrt{3+2 \sqrt{3}} \sqrt{a} \left (1-\sqrt [3]{\frac{b}{a}} x\right )}{\sqrt{-a+b x^3}}\right )}{\sqrt{3+2 \sqrt{3}} \sqrt{a} \sqrt [3]{\frac{b}{a}}}\\ \end{align*}
Mathematica [C] time = 0.721246, size = 650, normalized size = 8.55 \[ \frac{x \left (-\frac{3 \left (10496 \sqrt{3} a^3 F_1\left (\frac{1}{3};\frac{1}{2},1;\frac{4}{3};\frac{b x^3}{a},\frac{b x^3}{6 \sqrt{3} a+10 a}\right )+18176 a^3 F_1\left (\frac{1}{3};\frac{1}{2},1;\frac{4}{3};\frac{b x^3}{a},\frac{b x^3}{6 \sqrt{3} a+10 a}\right )+b x^3 \left (2 \left (5+3 \sqrt{3}\right ) a-b x^3\right ) \sqrt{1-\frac{b x^3}{a}} F_1\left (\frac{4}{3};\frac{1}{2},1;\frac{7}{3};\frac{b x^3}{a},\frac{b x^3}{6 \sqrt{3} a+10 a}\right ) \left (3 b x^3 \left (F_1\left (\frac{4}{3};\frac{1}{2},2;\frac{7}{3};\frac{b x^3}{a},\frac{b x^3}{6 \sqrt{3} a+10 a}\right )+\left (5+3 \sqrt{3}\right ) F_1\left (\frac{4}{3};\frac{3}{2},1;\frac{7}{3};\frac{b x^3}{a},\frac{b x^3}{6 \sqrt{3} a+10 a}\right )\right )+8 \left (5+3 \sqrt{3}\right ) a F_1\left (\frac{1}{3};\frac{1}{2},1;\frac{4}{3};\frac{b x^3}{a},\frac{b x^3}{6 \sqrt{3} a+10 a}\right )\right )\right )}{a \left (2 \left (5+3 \sqrt{3}\right ) a-b x^3\right ) \left (3 b x^3 \left (F_1\left (\frac{4}{3};\frac{1}{2},2;\frac{7}{3};\frac{b x^3}{a},\frac{b x^3}{6 \sqrt{3} a+10 a}\right )+\left (5+3 \sqrt{3}\right ) F_1\left (\frac{4}{3};\frac{3}{2},1;\frac{7}{3};\frac{b x^3}{a},\frac{b x^3}{6 \sqrt{3} a+10 a}\right )\right )+8 \left (5+3 \sqrt{3}\right ) a F_1\left (\frac{1}{3};\frac{1}{2},1;\frac{4}{3};\frac{b x^3}{a},\frac{b x^3}{6 \sqrt{3} a+10 a}\right )\right )}-8 x^2 \left (\frac{b}{a}\right )^{2/3} \sqrt{3-\frac{3 b x^3}{a}} F_1\left (1;\frac{1}{2},1;2;\frac{b x^3}{a},\frac{b x^3}{6 \sqrt{3} a+10 a}\right )-12 \left (3+\sqrt{3}\right ) x \sqrt [3]{\frac{b}{a}} \sqrt{1-\frac{b x^3}{a}} F_1\left (\frac{2}{3};\frac{1}{2},1;\frac{5}{3};\frac{b x^3}{a},\frac{b x^3}{6 \sqrt{3} a+10 a}\right )\right )}{24 \left (5+3 \sqrt{3}\right ) \sqrt{b x^3-a}} \]
Warning: Unable to verify antiderivative.
[In]
Integrate[(1 - Sqrt[3] - (b/a)^(1/3)*x)/((1 + Sqrt[3] - (b/a)^(1/3)*x)*Sqrt[-a + b*x^3]),x]
[Out]
(x*(-12*(3 + Sqrt[3])*(b/a)^(1/3)*x*Sqrt[1 - (b*x^3)/a]*AppellF1[2/3, 1/2, 1, 5/3, (b*x^3)/a, (b*x^3)/(10*a +
6*Sqrt[3]*a)] - 8*(b/a)^(2/3)*x^2*Sqrt[3 - (3*b*x^3)/a]*AppellF1[1, 1/2, 1, 2, (b*x^3)/a, (b*x^3)/(10*a + 6*Sq
rt[3]*a)] - (3*(18176*a^3*AppellF1[1/3, 1/2, 1, 4/3, (b*x^3)/a, (b*x^3)/(10*a + 6*Sqrt[3]*a)] + 10496*Sqrt[3]*
a^3*AppellF1[1/3, 1/2, 1, 4/3, (b*x^3)/a, (b*x^3)/(10*a + 6*Sqrt[3]*a)] + b*x^3*(2*(5 + 3*Sqrt[3])*a - b*x^3)*
Sqrt[1 - (b*x^3)/a]*AppellF1[4/3, 1/2, 1, 7/3, (b*x^3)/a, (b*x^3)/(10*a + 6*Sqrt[3]*a)]*(8*(5 + 3*Sqrt[3])*a*A
ppellF1[1/3, 1/2, 1, 4/3, (b*x^3)/a, (b*x^3)/(10*a + 6*Sqrt[3]*a)] + 3*b*x^3*(AppellF1[4/3, 1/2, 2, 7/3, (b*x^
3)/a, (b*x^3)/(10*a + 6*Sqrt[3]*a)] + (5 + 3*Sqrt[3])*AppellF1[4/3, 3/2, 1, 7/3, (b*x^3)/a, (b*x^3)/(10*a + 6*
Sqrt[3]*a)]))))/(a*(2*(5 + 3*Sqrt[3])*a - b*x^3)*(8*(5 + 3*Sqrt[3])*a*AppellF1[1/3, 1/2, 1, 4/3, (b*x^3)/a, (b
*x^3)/(10*a + 6*Sqrt[3]*a)] + 3*b*x^3*(AppellF1[4/3, 1/2, 2, 7/3, (b*x^3)/a, (b*x^3)/(10*a + 6*Sqrt[3]*a)] + (
5 + 3*Sqrt[3])*AppellF1[4/3, 3/2, 1, 7/3, (b*x^3)/a, (b*x^3)/(10*a + 6*Sqrt[3]*a)])))))/(24*(5 + 3*Sqrt[3])*Sq
rt[-a + b*x^3])
________________________________________________________________________________________
Maple [F] time = 0.067, size = 0, normalized size = 0. \begin{align*} \int{ \left ( 1-\sqrt [3]{{\frac{b}{a}}}x-\sqrt{3} \right ) \left ( 1-\sqrt [3]{{\frac{b}{a}}}x+\sqrt{3} \right ) ^{-1}{\frac{1}{\sqrt{b{x}^{3}-a}}}}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
int((1-(b/a)^(1/3)*x-3^(1/2))/(1-(b/a)^(1/3)*x+3^(1/2))/(b*x^3-a)^(1/2),x)
[Out]
int((1-(b/a)^(1/3)*x-3^(1/2))/(1-(b/a)^(1/3)*x+3^(1/2))/(b*x^3-a)^(1/2),x)
________________________________________________________________________________________
Maxima [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{x \left (\frac{b}{a}\right )^{\frac{1}{3}} + \sqrt{3} - 1}{\sqrt{b x^{3} - a}{\left (x \left (\frac{b}{a}\right )^{\frac{1}{3}} - \sqrt{3} - 1\right )}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
integrate((1-(b/a)^(1/3)*x-3^(1/2))/(1-(b/a)^(1/3)*x+3^(1/2))/(b*x^3-a)^(1/2),x, algorithm="maxima")
[Out]
integrate((x*(b/a)^(1/3) + sqrt(3) - 1)/(sqrt(b*x^3 - a)*(x*(b/a)^(1/3) - sqrt(3) - 1)), x)
________________________________________________________________________________________
Fricas [A] time = 5.52566, size = 3236, normalized size = 42.58 \begin{align*} \text{result too large to display} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
integrate((1-(b/a)^(1/3)*x-3^(1/2))/(1-(b/a)^(1/3)*x+3^(1/2))/(b*x^3-a)^(1/2),x, algorithm="fricas")
[Out]
[1/2*sqrt(1/3)*sqrt((2*sqrt(3) - 3)*(b/a)^(1/3)/b)*log((b^8*x^24 + 1840*a*b^7*x^21 + 67264*a^2*b^6*x^18 + 5862
4*a^3*b^5*x^15 + 504064*a^4*b^4*x^12 - 2140160*a^5*b^3*x^9 + 3100672*a^6*b^2*x^6 - 1089536*a^7*b*x^3 + 28672*a
^8 - 4*sqrt(1/3)*(486*a*b^7*x^20 + 28512*a^2*b^6*x^17 + 86832*a^3*b^5*x^14 + 145152*a^4*b^4*x^11 - 238464*a^5*
b^3*x^8 + 414720*a^6*b^2*x^5 - 82944*a^7*b*x^2 + (3*a*b^7*x^22 + 2688*a^2*b^6*x^19 + 56952*a^3*b^5*x^16 + 9350
4*a^4*b^4*x^13 - 63552*a^5*b^3*x^10 + 377856*a^6*b^2*x^7 - 314880*a^7*b*x^4 + 24576*a^8*x + 2*sqrt(3)*(a*b^7*x
^22 + 764*a^2*b^6*x^19 + 16860*a^3*b^5*x^16 + 19792*a^4*b^4*x^13 + 42368*a^5*b^3*x^10 - 104448*a^6*b^2*x^7 + 9
0880*a^7*b*x^4 - 7168*a^8*x))*(b/a)^(2/3) + 6*sqrt(3)*(47*a*b^7*x^20 + 2724*a^2*b^6*x^17 + 8976*a^3*b^5*x^14 +
4928*a^4*b^4*x^11 + 32448*a^5*b^3*x^8 - 37632*a^6*b^2*x^5 + 8192*a^7*b*x^2) + 2*(30*a*b^7*x^21 + 5010*a^2*b^6
*x^18 + 44640*a^3*b^5*x^15 + 21360*a^4*b^4*x^12 + 79872*a^5*b^3*x^9 - 233856*a^6*b^2*x^6 + 86016*a^7*b*x^3 - 3
072*a^8 + sqrt(3)*(17*a*b^7*x^21 + 2920*a^2*b^6*x^18 + 24864*a^3*b^5*x^15 + 26576*a^4*b^4*x^12 - 56000*a^5*b^3
*x^9 + 115968*a^6*b^2*x^6 - 56320*a^7*b*x^3 + 1024*a^8))*(b/a)^(1/3))*sqrt(b*x^3 - a)*sqrt((2*sqrt(3) - 3)*(b/
a)^(1/3)/b) + 8*(3*a*b^7*x^23 + 1077*a^2*b^6*x^20 + 13320*a^3*b^5*x^17 + 19200*a^4*b^4*x^14 - 111360*a^5*b^3*x
^11 + 345024*a^6*b^2*x^8 - 328704*a^7*b*x^5 + 61440*a^8*x^2 + 2*sqrt(3)*(a*b^7*x^23 + 299*a^2*b^6*x^20 + 4260*
a^3*b^5*x^17 - 1520*a^4*b^4*x^14 + 26720*a^5*b^3*x^11 - 105024*a^6*b^2*x^8 + 93184*a^7*b*x^5 - 17920*a^8*x^2))
*(b/a)^(2/3) + 32*sqrt(3)*(35*a*b^7*x^21 + 1141*a^2*b^6*x^18 + 2544*a^3*b^5*x^15 - 6760*a^4*b^4*x^12 + 39520*a
^5*b^3*x^9 - 55680*a^6*b^2*x^6 + 19712*a^7*b*x^3 - 512*a^8) + 32*(9*a*b^7*x^22 + 846*a^2*b^6*x^19 + 4617*a^3*b
^5*x^16 - 5472*a^4*b^4*x^13 + 43776*a^5*b^3*x^10 - 98496*a^6*b^2*x^7 + 59328*a^7*b*x^4 - 4608*a^8*x + sqrt(3)*
(5*a*b^7*x^22 + 505*a^2*b^6*x^19 + 2130*a^3*b^5*x^16 + 4928*a^4*b^4*x^13 - 28688*a^5*b^3*x^10 + 53760*a^6*b^2*
x^7 - 35200*a^7*b*x^4 + 2560*a^8*x))*(b/a)^(1/3))/(b^8*x^24 - 80*a*b^7*x^21 + 2368*a^2*b^6*x^18 - 30080*a^3*b^
5*x^15 + 121984*a^4*b^4*x^12 + 240640*a^5*b^3*x^9 + 151552*a^6*b^2*x^6 + 40960*a^7*b*x^3 + 4096*a^8)), sqrt(1/
3)*sqrt(-(2*sqrt(3) - 3)*(b/a)^(1/3)/b)*arctan(1/2*sqrt(1/3)*(b*x^2 + 2*(sqrt(3)*a*x + 2*a*x)*(b/a)^(2/3) - 2*
(sqrt(3)*a + a)*(b/a)^(1/3))*sqrt(-(2*sqrt(3) - 3)*(b/a)^(1/3)/b)/sqrt(b*x^3 - a))]
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Sympy [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{x \sqrt [3]{\frac{b}{a}} - 1 + \sqrt{3}}{\sqrt{- a + b x^{3}} \left (x \sqrt [3]{\frac{b}{a}} - \sqrt{3} - 1\right )}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
integrate((1-(b/a)**(1/3)*x-3**(1/2))/(1-(b/a)**(1/3)*x+3**(1/2))/(b*x**3-a)**(1/2),x)
[Out]
Integral((x*(b/a)**(1/3) - 1 + sqrt(3))/(sqrt(-a + b*x**3)*(x*(b/a)**(1/3) - sqrt(3) - 1)), x)
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Giac [F] time = 0., size = 0, normalized size = 0. \begin{align*} \mathit{sage}_{0} x \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
integrate((1-(b/a)^(1/3)*x-3^(1/2))/(1-(b/a)^(1/3)*x+3^(1/2))/(b*x^3-a)^(1/2),x, algorithm="giac")
[Out]
sage0*x