Integrand size = 22, antiderivative size = 719 \[ \int \frac {1}{(2+3 x)^2 \sqrt [3]{52-54 x+27 x^2}} \, dx=-\frac {\left (52-54 x+27 x^2\right )^{2/3}}{300 (2+3 x)}+\frac {9 (1-x)}{10\ 5^{2/3} \left (30 \left (1-\sqrt {3}\right )-\sqrt [3]{10} \sqrt [3]{2700+(-54+54 x)^2}\right )}-\frac {\arctan \left (\frac {1}{\sqrt {3}}+\frac {2^{2/3} (8-3 x)}{\sqrt {3} \sqrt [3]{5} \sqrt [3]{52-54 x+27 x^2}}\right )}{30 \sqrt {3} 10^{2/3}}-\frac {\sqrt {2+\sqrt {3}} \left (30-\sqrt [3]{10} \sqrt [3]{2700+(-54+54 x)^2}\right ) \sqrt {\frac {900+30 \sqrt [3]{10} \sqrt [3]{2700+(-54+54 x)^2}+10^{2/3} \left (2700+(-54+54 x)^2\right )^{2/3}}{\left (30 \left (1-\sqrt {3}\right )-\sqrt [3]{10} \sqrt [3]{2700+(-54+54 x)^2}\right )^2}} E\left (\arcsin \left (\frac {30 \left (1+\sqrt {3}\right )-\sqrt [3]{10} \sqrt [3]{2700+(-54+54 x)^2}}{30 \left (1-\sqrt {3}\right )-\sqrt [3]{10} \sqrt [3]{2700+(-54+54 x)^2}}\right )|-7+4 \sqrt {3}\right )}{10800 \sqrt {2} \sqrt [4]{3} \sqrt [6]{5} (1-x) \sqrt {-\frac {30-\sqrt [3]{10} \sqrt [3]{2700+(-54+54 x)^2}}{\left (30 \left (1-\sqrt {3}\right )-\sqrt [3]{10} \sqrt [3]{2700+(-54+54 x)^2}\right )^2}}}+\frac {\left (30-\sqrt [3]{10} \sqrt [3]{2700+(-54+54 x)^2}\right ) \sqrt {\frac {900+30 \sqrt [3]{10} \sqrt [3]{2700+(-54+54 x)^2}+10^{2/3} \left (2700+(-54+54 x)^2\right )^{2/3}}{\left (30 \left (1-\sqrt {3}\right )-\sqrt [3]{10} \sqrt [3]{2700+(-54+54 x)^2}\right )^2}} \operatorname {EllipticF}\left (\arcsin \left (\frac {30 \left (1+\sqrt {3}\right )-\sqrt [3]{10} \sqrt [3]{2700+(-54+54 x)^2}}{30 \left (1-\sqrt {3}\right )-\sqrt [3]{10} \sqrt [3]{2700+(-54+54 x)^2}}\right ),-7+4 \sqrt {3}\right )}{5400\ 3^{3/4} \sqrt [6]{5} (1-x) \sqrt {-\frac {30-\sqrt [3]{10} \sqrt [3]{2700+(-54+54 x)^2}}{\left (30 \left (1-\sqrt {3}\right )-\sqrt [3]{10} \sqrt [3]{2700+(-54+54 x)^2}\right )^2}}}-\frac {\log (2+3 x)}{60\ 10^{2/3}}+\frac {\log \left (216-81 x-27 \sqrt [3]{10} \sqrt [3]{52-54 x+27 x^2}\right )}{60\ 10^{2/3}} \]
-1/300*(27*x^2-54*x+52)^(2/3)/(2+3*x)-1/600*ln(2+3*x)*10^(1/3)+1/600*ln(21 6-81*x-27*10^(1/3)*(27*x^2-54*x+52)^(1/3))*10^(1/3)+9/50*5^(1/3)*(1-x)/(-1 0^(1/3)*(2700+(-54+54*x)^2)^(1/3)+30-30*3^(1/2))+1/900*arctan(-1/3*3^(1/2) -1/15*2^(2/3)*(8-3*x)*5^(2/3)/(27*x^2-54*x+52)^(1/3)*3^(1/2))*10^(1/3)*3^( 1/2)+1/81000*5^(5/6)*(30-10^(1/3)*(2700+(-54+54*x)^2)^(1/3))*EllipticF((-1 0^(1/3)*(2700+(-54+54*x)^2)^(1/3)+30+30*3^(1/2))/(-10^(1/3)*(2700+(-54+54* x)^2)^(1/3)+30-30*3^(1/2)),2*I-I*3^(1/2))*((900+30*10^(1/3)*(2700+(-54+54* x)^2)^(1/3)+10^(2/3)*(2700+(-54+54*x)^2)^(2/3))/(-10^(1/3)*(2700+(-54+54*x )^2)^(1/3)+30-30*3^(1/2))^2)^(1/2)*3^(1/4)/(1-x)/((-30+10^(1/3)*(2700+(-54 +54*x)^2)^(1/3))/(-10^(1/3)*(2700+(-54+54*x)^2)^(1/3)+30-30*3^(1/2))^2)^(1 /2)-1/162000*5^(5/6)*(30-10^(1/3)*(2700+(-54+54*x)^2)^(1/3))*EllipticE((-1 0^(1/3)*(2700+(-54+54*x)^2)^(1/3)+30+30*3^(1/2))/(-10^(1/3)*(2700+(-54+54* x)^2)^(1/3)+30-30*3^(1/2)),2*I-I*3^(1/2))*((900+30*10^(1/3)*(2700+(-54+54* x)^2)^(1/3)+10^(2/3)*(2700+(-54+54*x)^2)^(2/3))/(-10^(1/3)*(2700+(-54+54*x )^2)^(1/3)+30-30*3^(1/2))^2)^(1/2)*(1/2+1/2*3^(1/2))*3^(3/4)/(1-x)/((-30+1 0^(1/3)*(2700+(-54+54*x)^2)^(1/3))/(-10^(1/3)*(2700+(-54+54*x)^2)^(1/3)+30 -30*3^(1/2))^2)^(1/2)
Result contains higher order function than in optimal. Order 6 vs. order 4 in optimal.
Time = 10.13 (sec) , antiderivative size = 243, normalized size of antiderivative = 0.34 \[ \int \frac {1}{(2+3 x)^2 \sqrt [3]{52-54 x+27 x^2}} \, dx=\frac {-20 \left (52-54 x+27 x^2\right )-100 \sqrt [3]{3} (2+3 x) \sqrt [3]{\frac {-9-5 i \sqrt {3}+9 x}{2+3 x}} \sqrt [3]{\frac {-9+5 i \sqrt {3}+9 x}{2+3 x}} \operatorname {AppellF1}\left (\frac {2}{3},\frac {1}{3},\frac {1}{3},\frac {5}{3},\frac {15-5 i \sqrt {3}}{6+9 x},\frac {15+5 i \sqrt {3}}{6+9 x}\right )+\sqrt [3]{3} 10^{2/3} \sqrt [3]{9 i+5 \sqrt {3}-9 i x} (2+3 x) \left (-5 i-3 \sqrt {3}+3 \sqrt {3} x\right ) \operatorname {Hypergeometric2F1}\left (\frac {1}{3},\frac {2}{3},\frac {5}{3},\frac {-9 i+5 \sqrt {3}+9 i x}{10 \sqrt {3}}\right )}{6000 (2+3 x) \sqrt [3]{52-54 x+27 x^2}} \]
(-20*(52 - 54*x + 27*x^2) - 100*3^(1/3)*(2 + 3*x)*((-9 - (5*I)*Sqrt[3] + 9 *x)/(2 + 3*x))^(1/3)*((-9 + (5*I)*Sqrt[3] + 9*x)/(2 + 3*x))^(1/3)*AppellF1 [2/3, 1/3, 1/3, 5/3, (15 - (5*I)*Sqrt[3])/(6 + 9*x), (15 + (5*I)*Sqrt[3])/ (6 + 9*x)] + 3^(1/3)*10^(2/3)*(9*I + 5*Sqrt[3] - (9*I)*x)^(1/3)*(2 + 3*x)* (-5*I - 3*Sqrt[3] + 3*Sqrt[3]*x)*Hypergeometric2F1[1/3, 2/3, 5/3, (-9*I + 5*Sqrt[3] + (9*I)*x)/(10*Sqrt[3])])/(6000*(2 + 3*x)*(52 - 54*x + 27*x^2)^( 1/3))
Time = 0.55 (sec) , antiderivative size = 491, normalized size of antiderivative = 0.68, number of steps used = 10, number of rules used = 9, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.409, Rules used = {1167, 27, 1269, 1090, 233, 833, 760, 1175, 2418}
Below are the steps used by Rubi to obtain the solution. The rule number used for the transformation is given above next to the arrow. The rules definitions used are listed below.
\(\displaystyle \int \frac {1}{(3 x+2)^2 \sqrt [3]{27 x^2-54 x+52}} \, dx\) |
\(\Big \downarrow \) 1167 |
\(\displaystyle -\frac {1}{900} \int -\frac {27 (x+4)}{(3 x+2) \sqrt [3]{27 x^2-54 x+52}}dx-\frac {\left (27 x^2-54 x+52\right )^{2/3}}{300 (3 x+2)}\) |
\(\Big \downarrow \) 27 |
\(\displaystyle \frac {3}{100} \int \frac {x+4}{(3 x+2) \sqrt [3]{27 x^2-54 x+52}}dx-\frac {\left (27 x^2-54 x+52\right )^{2/3}}{300 (3 x+2)}\) |
\(\Big \downarrow \) 1269 |
\(\displaystyle \frac {3}{100} \left (\frac {1}{3} \int \frac {1}{\sqrt [3]{27 x^2-54 x+52}}dx+\frac {10}{3} \int \frac {1}{(3 x+2) \sqrt [3]{27 x^2-54 x+52}}dx\right )-\frac {\left (27 x^2-54 x+52\right )^{2/3}}{300 (3 x+2)}\) |
\(\Big \downarrow \) 1090 |
\(\displaystyle \frac {3}{100} \left (\frac {10}{3} \int \frac {1}{(3 x+2) \sqrt [3]{27 x^2-54 x+52}}dx+\frac {\int \frac {1}{\sqrt [3]{\frac {(54 x-54)^2}{2700}+1}}d(54 x-54)}{162\ 5^{2/3}}\right )-\frac {\left (27 x^2-54 x+52\right )^{2/3}}{300 (3 x+2)}\) |
\(\Big \downarrow \) 233 |
\(\displaystyle \frac {3}{100} \left (\frac {10}{3} \int \frac {1}{(3 x+2) \sqrt [3]{27 x^2-54 x+52}}dx+\frac {\sqrt [3]{5} \sqrt {(54 x-54)^2} \int \frac {30 \sqrt {3} \sqrt [3]{\frac {(54 x-54)^2}{2700}+1}}{\sqrt {(54 x-54)^2}}d\sqrt [3]{\frac {(54 x-54)^2}{2700}+1}}{6 \sqrt {3} (54 x-54)}\right )-\frac {\left (27 x^2-54 x+52\right )^{2/3}}{300 (3 x+2)}\) |
\(\Big \downarrow \) 833 |
\(\displaystyle \frac {3}{100} \left (\frac {10}{3} \int \frac {1}{(3 x+2) \sqrt [3]{27 x^2-54 x+52}}dx+\frac {\sqrt [3]{5} \sqrt {(54 x-54)^2} \left (\left (1+\sqrt {3}\right ) \int \frac {30 \sqrt {3}}{\sqrt {(54 x-54)^2}}d\sqrt [3]{\frac {(54 x-54)^2}{2700}+1}-\int \frac {30 \sqrt {3} \left (-54 x+\sqrt {3}+55\right )}{\sqrt {(54 x-54)^2}}d\sqrt [3]{\frac {(54 x-54)^2}{2700}+1}\right )}{6 \sqrt {3} (54 x-54)}\right )-\frac {\left (27 x^2-54 x+52\right )^{2/3}}{300 (3 x+2)}\) |
\(\Big \downarrow \) 760 |
\(\displaystyle \frac {3}{100} \left (\frac {\sqrt [3]{5} \sqrt {(54 x-54)^2} \left (-\int \frac {30 \sqrt {3} \left (-54 x+\sqrt {3}+55\right )}{\sqrt {(54 x-54)^2}}d\sqrt [3]{\frac {(54 x-54)^2}{2700}+1}-\frac {60 \sqrt [4]{3} \sqrt {2-\sqrt {3}} \left (1+\sqrt {3}\right ) (55-54 x) \sqrt {\frac {54 x+\left (\frac {(54 x-54)^2}{2700}+1\right )^{2/3}-53}{\left (-54 x-\sqrt {3}+55\right )^2}} \operatorname {EllipticF}\left (\arcsin \left (\frac {-54 x+\sqrt {3}+55}{-54 x-\sqrt {3}+55}\right ),-7+4 \sqrt {3}\right )}{\sqrt {-\frac {55-54 x}{\left (-54 x-\sqrt {3}+55\right )^2}} \sqrt {(54 x-54)^2}}\right )}{6 \sqrt {3} (54 x-54)}+\frac {10}{3} \int \frac {1}{(3 x+2) \sqrt [3]{27 x^2-54 x+52}}dx\right )-\frac {\left (27 x^2-54 x+52\right )^{2/3}}{300 (3 x+2)}\) |
\(\Big \downarrow \) 1175 |
\(\displaystyle \frac {3}{100} \left (\frac {\sqrt [3]{5} \sqrt {(54 x-54)^2} \left (-\int \frac {30 \sqrt {3} \left (-54 x+\sqrt {3}+55\right )}{\sqrt {(54 x-54)^2}}d\sqrt [3]{\frac {(54 x-54)^2}{2700}+1}-\frac {60 \sqrt [4]{3} \sqrt {2-\sqrt {3}} \left (1+\sqrt {3}\right ) (55-54 x) \sqrt {\frac {54 x+\left (\frac {(54 x-54)^2}{2700}+1\right )^{2/3}-53}{\left (-54 x-\sqrt {3}+55\right )^2}} \operatorname {EllipticF}\left (\arcsin \left (\frac {-54 x+\sqrt {3}+55}{-54 x-\sqrt {3}+55}\right ),-7+4 \sqrt {3}\right )}{\sqrt {-\frac {55-54 x}{\left (-54 x-\sqrt {3}+55\right )^2}} \sqrt {(54 x-54)^2}}\right )}{6 \sqrt {3} (54 x-54)}+\frac {10}{3} \left (-\frac {\arctan \left (\frac {2^{2/3} (8-3 x)}{\sqrt {3} \sqrt [3]{5} \sqrt [3]{27 x^2-54 x+52}}+\frac {1}{\sqrt {3}}\right )}{3 \sqrt {3} 10^{2/3}}+\frac {\log \left (-27 \sqrt [3]{10} \sqrt [3]{27 x^2-54 x+52}-81 x+216\right )}{6\ 10^{2/3}}-\frac {\log (3 x+2)}{6\ 10^{2/3}}\right )\right )-\frac {\left (27 x^2-54 x+52\right )^{2/3}}{300 (3 x+2)}\) |
\(\Big \downarrow \) 2418 |
\(\displaystyle \frac {3}{100} \left (\frac {\sqrt [3]{5} \sqrt {(54 x-54)^2} \left (-\frac {60 \sqrt [4]{3} \sqrt {2-\sqrt {3}} \left (1+\sqrt {3}\right ) (55-54 x) \sqrt {\frac {54 x+\left (\frac {(54 x-54)^2}{2700}+1\right )^{2/3}-53}{\left (-54 x-\sqrt {3}+55\right )^2}} \operatorname {EllipticF}\left (\arcsin \left (\frac {-54 x+\sqrt {3}+55}{-54 x-\sqrt {3}+55}\right ),-7+4 \sqrt {3}\right )}{\sqrt {-\frac {55-54 x}{\left (-54 x-\sqrt {3}+55\right )^2}} \sqrt {(54 x-54)^2}}+\frac {30\ 3^{3/4} \sqrt {2+\sqrt {3}} (55-54 x) \sqrt {\frac {54 x+\left (\frac {(54 x-54)^2}{2700}+1\right )^{2/3}-53}{\left (-54 x-\sqrt {3}+55\right )^2}} E\left (\arcsin \left (\frac {-54 x+\sqrt {3}+55}{-54 x-\sqrt {3}+55}\right )|-7+4 \sqrt {3}\right )}{\sqrt {-\frac {55-54 x}{\left (-54 x-\sqrt {3}+55\right )^2}} \sqrt {(54 x-54)^2}}-\frac {\sqrt {(54 x-54)^2}}{15 \sqrt {3} \left (-54 x-\sqrt {3}+55\right )}\right )}{6 \sqrt {3} (54 x-54)}+\frac {10}{3} \left (-\frac {\arctan \left (\frac {2^{2/3} (8-3 x)}{\sqrt {3} \sqrt [3]{5} \sqrt [3]{27 x^2-54 x+52}}+\frac {1}{\sqrt {3}}\right )}{3 \sqrt {3} 10^{2/3}}+\frac {\log \left (-27 \sqrt [3]{10} \sqrt [3]{27 x^2-54 x+52}-81 x+216\right )}{6\ 10^{2/3}}-\frac {\log (3 x+2)}{6\ 10^{2/3}}\right )\right )-\frac {\left (27 x^2-54 x+52\right )^{2/3}}{300 (3 x+2)}\) |
-1/300*(52 - 54*x + 27*x^2)^(2/3)/(2 + 3*x) + (3*((5^(1/3)*Sqrt[(-54 + 54* x)^2]*(-1/15*Sqrt[(-54 + 54*x)^2]/(Sqrt[3]*(55 - Sqrt[3] - 54*x)) + (30*3^ (3/4)*Sqrt[2 + Sqrt[3]]*(55 - 54*x)*Sqrt[(-53 + 54*x + (1 + (-54 + 54*x)^2 /2700)^(2/3))/(55 - Sqrt[3] - 54*x)^2]*EllipticE[ArcSin[(55 + Sqrt[3] - 54 *x)/(55 - Sqrt[3] - 54*x)], -7 + 4*Sqrt[3]])/(Sqrt[-((55 - 54*x)/(55 - Sqr t[3] - 54*x)^2)]*Sqrt[(-54 + 54*x)^2]) - (60*3^(1/4)*Sqrt[2 - Sqrt[3]]*(1 + Sqrt[3])*(55 - 54*x)*Sqrt[(-53 + 54*x + (1 + (-54 + 54*x)^2/2700)^(2/3)) /(55 - Sqrt[3] - 54*x)^2]*EllipticF[ArcSin[(55 + Sqrt[3] - 54*x)/(55 - Sqr t[3] - 54*x)], -7 + 4*Sqrt[3]])/(Sqrt[-((55 - 54*x)/(55 - Sqrt[3] - 54*x)^ 2)]*Sqrt[(-54 + 54*x)^2])))/(6*Sqrt[3]*(-54 + 54*x)) + (10*(-1/3*ArcTan[1/ Sqrt[3] + (2^(2/3)*(8 - 3*x))/(Sqrt[3]*5^(1/3)*(52 - 54*x + 27*x^2)^(1/3)) ]/(Sqrt[3]*10^(2/3)) - Log[2 + 3*x]/(6*10^(2/3)) + Log[216 - 81*x - 27*10^ (1/3)*(52 - 54*x + 27*x^2)^(1/3)]/(6*10^(2/3))))/3))/100
3.26.1.3.1 Defintions of rubi rules used
Int[(a_)*(Fx_), x_Symbol] :> Simp[a Int[Fx, x], x] /; FreeQ[a, x] && !Ma tchQ[Fx, (b_)*(Gx_) /; FreeQ[b, x]]
Int[((a_) + (b_.)*(x_)^2)^(-1/3), x_Symbol] :> Simp[3*(Sqrt[b*x^2]/(2*b*x)) Subst[Int[x/Sqrt[-a + x^3], x], x, (a + b*x^2)^(1/3)], x] /; FreeQ[{a, b }, x]
Int[1/Sqrt[(a_) + (b_.)*(x_)^3], x_Symbol] :> With[{r = Numer[Rt[b/a, 3]], s = Denom[Rt[b/a, 3]]}, Simp[2*Sqrt[2 - Sqrt[3]]*(s + r*x)*(Sqrt[(s^2 - r*s *x + r^2*x^2)/((1 - Sqrt[3])*s + r*x)^2]/(3^(1/4)*r*Sqrt[a + b*x^3]*Sqrt[(- s)*((s + r*x)/((1 - Sqrt[3])*s + r*x)^2)]))*EllipticF[ArcSin[((1 + Sqrt[3]) *s + r*x)/((1 - Sqrt[3])*s + r*x)], -7 + 4*Sqrt[3]], x]] /; FreeQ[{a, b}, x ] && NegQ[a]
Int[(x_)/Sqrt[(a_) + (b_.)*(x_)^3], x_Symbol] :> With[{r = Numer[Rt[b/a, 3] ], s = Denom[Rt[b/a, 3]]}, Simp[(-(1 + Sqrt[3]))*(s/r) Int[1/Sqrt[a + b*x ^3], x], x] + Simp[1/r Int[((1 + Sqrt[3])*s + r*x)/Sqrt[a + b*x^3], x], x ]] /; FreeQ[{a, b}, x] && NegQ[a]
Int[((a_.) + (b_.)*(x_) + (c_.)*(x_)^2)^(p_), x_Symbol] :> Simp[1/(2*c*(-4* (c/(b^2 - 4*a*c)))^p) Subst[Int[Simp[1 - x^2/(b^2 - 4*a*c), x]^p, x], x, b + 2*c*x], x] /; FreeQ[{a, b, c, p}, x] && GtQ[4*a - b^2/c, 0]
Int[((d_.) + (e_.)*(x_))^(m_)*((a_.) + (b_.)*(x_) + (c_.)*(x_)^2)^(p_), x_S ymbol] :> Simp[e*(d + e*x)^(m + 1)*((a + b*x + c*x^2)^(p + 1)/((m + 1)*(c*d ^2 - b*d*e + a*e^2))), x] + Simp[1/((m + 1)*(c*d^2 - b*d*e + a*e^2)) Int[ (d + e*x)^(m + 1)*Simp[c*d*(m + 1) - b*e*(m + p + 2) - c*e*(m + 2*p + 3)*x, x]*(a + b*x + c*x^2)^p, x], x] /; FreeQ[{a, b, c, d, e, m, p}, x] && NeQ[m , -1] && ((LtQ[m, -1] && IntQuadraticQ[a, b, c, d, e, m, p, x]) || (SumSimp lerQ[m, 1] && IntegerQ[p]) || ILtQ[Simplify[m + 2*p + 3], 0])
Int[1/(((d_.) + (e_.)*(x_))*((a_) + (b_.)*(x_) + (c_.)*(x_)^2)^(1/3)), x_Sy mbol] :> With[{q = Rt[3*c*e^2*(2*c*d - b*e), 3]}, Simp[(-Sqrt[3])*c*e*(ArcT an[1/Sqrt[3] + 2*((c*d - b*e - c*e*x)/(Sqrt[3]*q*(a + b*x + c*x^2)^(1/3)))] /q^2), x] + (-Simp[3*c*e*(Log[d + e*x]/(2*q^2)), x] + Simp[3*c*e*(Log[c*d - b*e - c*e*x - q*(a + b*x + c*x^2)^(1/3)]/(2*q^2)), x])] /; FreeQ[{a, b, c, d, e}, x] && EqQ[c^2*d^2 - b*c*d*e + b^2*e^2 - 3*a*c*e^2, 0] && PosQ[c*e^2 *(2*c*d - b*e)]
Int[((d_.) + (e_.)*(x_))^(m_)*((f_.) + (g_.)*(x_))*((a_.) + (b_.)*(x_) + (c _.)*(x_)^2)^(p_.), x_Symbol] :> Simp[g/e Int[(d + e*x)^(m + 1)*(a + b*x + c*x^2)^p, x], x] + Simp[(e*f - d*g)/e Int[(d + e*x)^m*(a + b*x + c*x^2)^ p, x], x] /; FreeQ[{a, b, c, d, e, f, g, m, p}, x] && !IGtQ[m, 0]
Int[((c_) + (d_.)*(x_))/Sqrt[(a_) + (b_.)*(x_)^3], x_Symbol] :> With[{r = N umer[Simplify[(1 + Sqrt[3])*(d/c)]], s = Denom[Simplify[(1 + Sqrt[3])*(d/c) ]]}, Simp[2*d*s^3*(Sqrt[a + b*x^3]/(a*r^2*((1 - Sqrt[3])*s + r*x))), x] + S imp[3^(1/4)*Sqrt[2 + Sqrt[3]]*d*s*(s + r*x)*(Sqrt[(s^2 - r*s*x + r^2*x^2)/( (1 - Sqrt[3])*s + r*x)^2]/(r^2*Sqrt[a + b*x^3]*Sqrt[(-s)*((s + r*x)/((1 - S qrt[3])*s + r*x)^2)]))*EllipticE[ArcSin[((1 + Sqrt[3])*s + r*x)/((1 - Sqrt[ 3])*s + r*x)], -7 + 4*Sqrt[3]], x]] /; FreeQ[{a, b, c, d}, x] && NegQ[a] && EqQ[b*c^3 - 2*(5 + 3*Sqrt[3])*a*d^3, 0]
\[\int \frac {1}{\left (2+3 x \right )^{2} \left (27 x^{2}-54 x +52\right )^{\frac {1}{3}}}d x\]
\[ \int \frac {1}{(2+3 x)^2 \sqrt [3]{52-54 x+27 x^2}} \, dx=\int { \frac {1}{{\left (27 \, x^{2} - 54 \, x + 52\right )}^{\frac {1}{3}} {\left (3 \, x + 2\right )}^{2}} \,d x } \]
\[ \int \frac {1}{(2+3 x)^2 \sqrt [3]{52-54 x+27 x^2}} \, dx=\int \frac {1}{\left (3 x + 2\right )^{2} \sqrt [3]{27 x^{2} - 54 x + 52}}\, dx \]
\[ \int \frac {1}{(2+3 x)^2 \sqrt [3]{52-54 x+27 x^2}} \, dx=\int { \frac {1}{{\left (27 \, x^{2} - 54 \, x + 52\right )}^{\frac {1}{3}} {\left (3 \, x + 2\right )}^{2}} \,d x } \]
\[ \int \frac {1}{(2+3 x)^2 \sqrt [3]{52-54 x+27 x^2}} \, dx=\int { \frac {1}{{\left (27 \, x^{2} - 54 \, x + 52\right )}^{\frac {1}{3}} {\left (3 \, x + 2\right )}^{2}} \,d x } \]
Timed out. \[ \int \frac {1}{(2+3 x)^2 \sqrt [3]{52-54 x+27 x^2}} \, dx=\int \frac {1}{{\left (3\,x+2\right )}^2\,{\left (27\,x^2-54\,x+52\right )}^{1/3}} \,d x \]