3.9.27 \(\int \frac {-a b c+2 a (b+c) x-(3 a+b+c) x^2+2 x^3}{\sqrt {x (-a+x) (-b+x) (-c+x)} (a d+(b c-d) x-(b+c) x^2+x^3)} \, dx\) [827]

3.9.27.1 Optimal result
3.9.27.2 Mathematica [A] (verified)
3.9.27.3 Rubi [F]
3.9.27.4 Maple [C] (warning: unable to verify)
3.9.27.5 Fricas [F(-1)]
3.9.27.6 Sympy [F(-1)]
3.9.27.7 Maxima [F]
3.9.27.8 Giac [F]
3.9.27.9 Mupad [F(-1)]

3.9.27.1 Optimal result

Integrand size = 77, antiderivative size = 63 \[ \int \frac {-a b c+2 a (b+c) x-(3 a+b+c) x^2+2 x^3}{\sqrt {x (-a+x) (-b+x) (-c+x)} \left (a d+(b c-d) x-(b+c) x^2+x^3\right )} \, dx=\frac {2 \text {arctanh}\left (\frac {\sqrt {-a b c x+(a b+a c+b c) x^2+(-a-b-c) x^3+x^4}}{\sqrt {d} (a-x)}\right )}{\sqrt {d}} \]

output
2*arctanh((-a*b*c*x+(a*b+a*c+b*c)*x^2+(-a-b-c)*x^3+x^4)^(1/2)/d^(1/2)/(a-x 
))/d^(1/2)
 
3.9.27.2 Mathematica [A] (verified)

Time = 10.44 (sec) , antiderivative size = 42, normalized size of antiderivative = 0.67 \[ \int \frac {-a b c+2 a (b+c) x-(3 a+b+c) x^2+2 x^3}{\sqrt {x (-a+x) (-b+x) (-c+x)} \left (a d+(b c-d) x-(b+c) x^2+x^3\right )} \, dx=\frac {2 \text {arctanh}\left (\frac {\sqrt {x (-a+x) (-b+x) (-c+x)}}{\sqrt {d} (a-x)}\right )}{\sqrt {d}} \]

input
Integrate[(-(a*b*c) + 2*a*(b + c)*x - (3*a + b + c)*x^2 + 2*x^3)/(Sqrt[x*( 
-a + x)*(-b + x)*(-c + x)]*(a*d + (b*c - d)*x - (b + c)*x^2 + x^3)),x]
 
output
(2*ArcTanh[Sqrt[x*(-a + x)*(-b + x)*(-c + x)]/(Sqrt[d]*(a - x))])/Sqrt[d]
 
3.9.27.3 Rubi [F]

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.

\(\displaystyle \int \frac {-x^2 (3 a+b+c)+2 a x (b+c)-a b c+2 x^3}{\sqrt {x (x-a) (x-b) (x-c)} \left (a d+x (b c-d)-x^2 (b+c)+x^3\right )} \, dx\)

\(\Big \downarrow \) 2467

\(\displaystyle \frac {\sqrt {x} \sqrt {-x^2 (a+b+c)+x (a (b+c)+b c)-a b c+x^3} \int -\frac {-2 x^3+(3 a+b+c) x^2-2 a (b+c) x+a b c}{\sqrt {x} \left (x^3-(b+c) x^2+(b c-d) x+a d\right ) \sqrt {x^3-(a+b+c) x^2+(b c+a (b+c)) x-a b c}}dx}{\sqrt {-(x (a-x) (b-x) (c-x))}}\)

\(\Big \downarrow \) 25

\(\displaystyle -\frac {\sqrt {x} \sqrt {-x^2 (a+b+c)+x (a (b+c)+b c)-a b c+x^3} \int \frac {-2 x^3+(3 a+b+c) x^2-2 a (b+c) x+a b c}{\sqrt {x} \left (x^3-(b+c) x^2+(b c-d) x+a d\right ) \sqrt {x^3-(a+b+c) x^2+(b c+a (b+c)) x-a b c}}dx}{\sqrt {-(x (a-x) (b-x) (c-x))}}\)

\(\Big \downarrow \) 2035

\(\displaystyle -\frac {2 \sqrt {x} \sqrt {-x^2 (a+b+c)+x (a (b+c)+b c)-a b c+x^3} \int \frac {-2 x^3+(3 a+b+c) x^2-2 a (b+c) x+a b c}{\left (x^3-(b+c) x^2+(b c-d) x+a d\right ) \sqrt {x^3-(a+b+c) x^2+(b c+a (b+c)) x-a b c}}d\sqrt {x}}{\sqrt {-(x (a-x) (b-x) (c-x))}}\)

\(\Big \downarrow \) 7292

\(\displaystyle -\frac {2 \sqrt {x} \sqrt {-x^2 (a+b+c)+x (a (b+c)+b c)-a b c+x^3} \int \frac {-2 x^3+(3 a+b+c) x^2-2 a (b+c) x+a b c}{\sqrt {-((a-x) (x-b) (x-c))} \left (x^3-(b+c) x^2+(b c-d) x+a d\right )}d\sqrt {x}}{\sqrt {-(x (a-x) (b-x) (c-x))}}\)

\(\Big \downarrow \) 7269

\(\displaystyle -\frac {2 \sqrt {x} \sqrt {a-x} \sqrt {x-b} \sqrt {x-c} \sqrt {-x^2 (a+b+c)+x (a (b+c)+b c)-a b c+x^3} \int \frac {-2 x^3+(3 a+b+c) x^2-2 a (b+c) x+a b c}{\sqrt {a-x} \sqrt {x-b} \sqrt {x-c} \left (x^3-(b+c) x^2+(b c-d) x+a d\right )}d\sqrt {x}}{\sqrt {-((a-x) (b-x) (c-x))} \sqrt {-(x (a-x) (b-x) (c-x))}}\)

\(\Big \downarrow \) 7293

\(\displaystyle -\frac {2 \sqrt {x} \sqrt {a-x} \sqrt {x-b} \sqrt {x-c} \sqrt {-x^2 (a+b+c)+x (a (b+c)+b c)-a b c+x^3} \int \left (\frac {(3 a-b-c) x^2+2 (b c-a (b+c)-d) x+a (b c+2 d)}{\sqrt {a-x} \sqrt {x-b} \sqrt {x-c} \left (x^3-(b+c) x^2+(b c-d) x+a d\right )}-\frac {2}{\sqrt {a-x} \sqrt {x-b} \sqrt {x-c}}\right )d\sqrt {x}}{\sqrt {-((a-x) (b-x) (c-x))} \sqrt {-(x (a-x) (b-x) (c-x))}}\)

\(\Big \downarrow \) 7293

\(\displaystyle -\frac {2 \sqrt {x} \sqrt {a-x} \sqrt {x-b} \sqrt {x-c} \sqrt {-x^2 (a+b+c)+x (a (b+c)+b c)-a b c+x^3} \int \left (\frac {(3 a-b-c) x^2+2 (b c-a (b+c)-d) x+a (b c+2 d)}{\sqrt {a-x} \sqrt {x-b} \sqrt {x-c} \left (x^3-b \left (\frac {c}{b}+1\right ) x^2+b c \left (1-\frac {d}{b c}\right ) x+a d\right )}-\frac {2}{\sqrt {a-x} \sqrt {x-b} \sqrt {x-c}}\right )d\sqrt {x}}{\sqrt {-((a-x) (b-x) (c-x))} \sqrt {-(x (a-x) (b-x) (c-x))}}\)

\(\Big \downarrow \) 7299

\(\displaystyle -\frac {2 \sqrt {x} \sqrt {a-x} \sqrt {x-b} \sqrt {x-c} \sqrt {-x^2 (a+b+c)+x (a (b+c)+b c)-a b c+x^3} \int \left (\frac {(3 a-b-c) x^2+2 (b c-a (b+c)-d) x+a (b c+2 d)}{\sqrt {a-x} \sqrt {x-b} \sqrt {x-c} \left (x^3-b \left (\frac {c}{b}+1\right ) x^2+b c \left (1-\frac {d}{b c}\right ) x+a d\right )}-\frac {2}{\sqrt {a-x} \sqrt {x-b} \sqrt {x-c}}\right )d\sqrt {x}}{\sqrt {-((a-x) (b-x) (c-x))} \sqrt {-(x (a-x) (b-x) (c-x))}}\)

input
Int[(-(a*b*c) + 2*a*(b + c)*x - (3*a + b + c)*x^2 + 2*x^3)/(Sqrt[x*(-a + x 
)*(-b + x)*(-c + x)]*(a*d + (b*c - d)*x - (b + c)*x^2 + x^3)),x]
 
output
$Aborted
 

3.9.27.3.1 Defintions of rubi rules used

rule 25
Int[-(Fx_), x_Symbol] :> Simp[Identity[-1]   Int[Fx, x], x]
 

rule 2035
Int[(Fx_)*(x_)^(m_), x_Symbol] :> With[{k = Denominator[m]}, Simp[k   Subst 
[Int[x^(k*(m + 1) - 1)*SubstPower[Fx, x, k], x], x, x^(1/k)], x]] /; Fracti 
onQ[m] && AlgebraicFunctionQ[Fx, x]
 

rule 2467
Int[(Fx_.)*(Px_)^(p_), x_Symbol] :> With[{r = Expon[Px, x, Min]}, Simp[Px^F 
racPart[p]/(x^(r*FracPart[p])*ExpandToSum[Px/x^r, x]^FracPart[p])   Int[x^( 
p*r)*ExpandToSum[Px/x^r, x]^p*Fx, x], x] /; IGtQ[r, 0]] /; FreeQ[p, x] && P 
olyQ[Px, x] &&  !IntegerQ[p] &&  !MonomialQ[Px, x] &&  !PolyQ[Fx, x]
 

rule 7269
Int[(u_.)*((a_.)*(v_)^(m_.)*(w_)^(n_.)*(z_)^(q_.))^(p_), x_Symbol] :> Simp[ 
a^IntPart[p]*((a*v^m*w^n*z^q)^FracPart[p]/(v^(m*FracPart[p])*w^(n*FracPart[ 
p])*z^(q*FracPart[p])))   Int[u*v^(m*p)*w^(n*p)*z^(p*q), x], x] /; FreeQ[{a 
, m, n, p, q}, x] &&  !IntegerQ[p] &&  !FreeQ[v, x] &&  !FreeQ[w, x] &&  !F 
reeQ[z, x]
 

rule 7292
Int[u_, x_Symbol] :> With[{v = NormalizeIntegrand[u, x]}, Int[v, x] /; v =! 
= u]
 

rule 7293
Int[u_, x_Symbol] :> With[{v = ExpandIntegrand[u, x]}, Int[v, x] /; SumQ[v] 
]
 

rule 7299
Int[u_, x_] :> CannotIntegrate[u, x]
 
3.9.27.4 Maple [C] (warning: unable to verify)

Result contains higher order function than in optimal. Order 9 vs. order 3.

Time = 8.06 (sec) , antiderivative size = 509, normalized size of antiderivative = 8.08

method result size
default \(-\frac {4 c \sqrt {\frac {\left (c -a \right ) x}{c \left (-a +x \right )}}\, \left (-a +x \right )^{2} \sqrt {\frac {a \left (-b +x \right )}{b \left (-a +x \right )}}\, \sqrt {\frac {a \left (-c +x \right )}{c \left (-a +x \right )}}\, \operatorname {EllipticF}\left (\sqrt {\frac {\left (c -a \right ) x}{c \left (-a +x \right )}}, \sqrt {\frac {\left (a -b \right ) c}{b \left (-c +a \right )}}\right )}{\left (c -a \right ) a \sqrt {x \left (-a +x \right ) \left (-b +x \right ) \left (-c +x \right )}}+\frac {2 c \left (\munderset {\underline {\hspace {1.25 ex}}\alpha =\operatorname {RootOf}\left (\textit {\_Z}^{3}+\left (-b -c \right ) \textit {\_Z}^{2}+\left (b c -d \right ) \textit {\_Z} +a d \right )}{\sum }\frac {\left (-3 \underline {\hspace {1.25 ex}}\alpha ^{2} a +\underline {\hspace {1.25 ex}}\alpha ^{2} b +\underline {\hspace {1.25 ex}}\alpha ^{2} c +2 \underline {\hspace {1.25 ex}}\alpha a b +2 \underline {\hspace {1.25 ex}}\alpha a c -2 \underline {\hspace {1.25 ex}}\alpha b c -a b c +2 \underline {\hspace {1.25 ex}}\alpha d -2 a d \right ) \left (-a +x \right )^{2} \left (\underline {\hspace {1.25 ex}}\alpha ^{2}+\underline {\hspace {1.25 ex}}\alpha a -\underline {\hspace {1.25 ex}}\alpha b -\underline {\hspace {1.25 ex}}\alpha c +a^{2}-a b -a c +b c -d \right ) \sqrt {\frac {\left (c -a \right ) x}{c \left (-a +x \right )}}\, \sqrt {\frac {a \left (-b +x \right )}{b \left (-a +x \right )}}\, \sqrt {\frac {a \left (-c +x \right )}{c \left (-a +x \right )}}\, \left (\operatorname {EllipticF}\left (\sqrt {\frac {\left (c -a \right ) x}{c \left (-a +x \right )}}, \sqrt {\frac {\left (a -b \right ) c}{b \left (-c +a \right )}}\right )+\frac {\left (\underline {\hspace {1.25 ex}}\alpha ^{2}-\underline {\hspace {1.25 ex}}\alpha b -\underline {\hspace {1.25 ex}}\alpha c +b c -d \right ) \operatorname {EllipticPi}\left (\sqrt {\frac {\left (c -a \right ) x}{c \left (-a +x \right )}}, -\frac {\left (\underline {\hspace {1.25 ex}}\alpha ^{2}-\underline {\hspace {1.25 ex}}\alpha b -\underline {\hspace {1.25 ex}}\alpha c +b c \right ) c}{d \left (-c +a \right )}, \sqrt {\frac {\left (a -b \right ) c}{b \left (-c +a \right )}}\right )}{d}\right )}{\left (-3 \underline {\hspace {1.25 ex}}\alpha ^{2}+2 \underline {\hspace {1.25 ex}}\alpha b +2 \underline {\hspace {1.25 ex}}\alpha c -b c +d \right ) \left (c -a \right ) \left (a^{2}-a b -a c +b c \right ) \sqrt {x \left (-a +x \right ) \left (-b +x \right ) \left (-c +x \right )}}\right )}{a^{2}}\) \(509\)
elliptic \(-\frac {4 c \sqrt {\frac {\left (c -a \right ) x}{c \left (-a +x \right )}}\, \left (-a +x \right )^{2} \sqrt {\frac {a \left (-b +x \right )}{b \left (-a +x \right )}}\, \sqrt {\frac {a \left (-c +x \right )}{c \left (-a +x \right )}}\, \operatorname {EllipticF}\left (\sqrt {\frac {\left (c -a \right ) x}{c \left (-a +x \right )}}, \sqrt {\frac {\left (a -b \right ) c}{b \left (-c +a \right )}}\right )}{\left (c -a \right ) a \sqrt {x \left (-a +x \right ) \left (-b +x \right ) \left (-c +x \right )}}-\frac {2 c \left (\munderset {\underline {\hspace {1.25 ex}}\alpha =\operatorname {RootOf}\left (\textit {\_Z}^{3}+\left (-b -c \right ) \textit {\_Z}^{2}+\left (b c -d \right ) \textit {\_Z} +a d \right )}{\sum }\frac {\left (3 \underline {\hspace {1.25 ex}}\alpha ^{2} a -\underline {\hspace {1.25 ex}}\alpha ^{2} b -\underline {\hspace {1.25 ex}}\alpha ^{2} c -2 \underline {\hspace {1.25 ex}}\alpha a b -2 \underline {\hspace {1.25 ex}}\alpha a c +2 \underline {\hspace {1.25 ex}}\alpha b c +a b c -2 \underline {\hspace {1.25 ex}}\alpha d +2 a d \right ) \left (-a +x \right )^{2} \left (\underline {\hspace {1.25 ex}}\alpha ^{2}+\underline {\hspace {1.25 ex}}\alpha a -\underline {\hspace {1.25 ex}}\alpha b -\underline {\hspace {1.25 ex}}\alpha c +a^{2}-a b -a c +b c -d \right ) \sqrt {\frac {\left (c -a \right ) x}{c \left (-a +x \right )}}\, \sqrt {\frac {a \left (-b +x \right )}{b \left (-a +x \right )}}\, \sqrt {\frac {a \left (-c +x \right )}{c \left (-a +x \right )}}\, \left (\operatorname {EllipticF}\left (\sqrt {\frac {\left (c -a \right ) x}{c \left (-a +x \right )}}, \sqrt {\frac {\left (a -b \right ) c}{b \left (-c +a \right )}}\right )+\frac {\left (\underline {\hspace {1.25 ex}}\alpha ^{2}-\underline {\hspace {1.25 ex}}\alpha b -\underline {\hspace {1.25 ex}}\alpha c +b c -d \right ) \operatorname {EllipticPi}\left (\sqrt {\frac {\left (c -a \right ) x}{c \left (-a +x \right )}}, -\frac {\left (\underline {\hspace {1.25 ex}}\alpha ^{2}-\underline {\hspace {1.25 ex}}\alpha b -\underline {\hspace {1.25 ex}}\alpha c +b c \right ) c}{d \left (-c +a \right )}, \sqrt {\frac {\left (a -b \right ) c}{b \left (-c +a \right )}}\right )}{d}\right )}{\left (-3 \underline {\hspace {1.25 ex}}\alpha ^{2}+2 \underline {\hspace {1.25 ex}}\alpha b +2 \underline {\hspace {1.25 ex}}\alpha c -b c +d \right ) \left (c -a \right ) \left (a^{2}-a b -a c +b c \right ) \sqrt {x \left (-a +x \right ) \left (-b +x \right ) \left (-c +x \right )}}\right )}{a^{2}}\) \(510\)

input
int((-a*b*c+2*a*(b+c)*x-(3*a+b+c)*x^2+2*x^3)/(x*(-a+x)*(-b+x)*(-c+x))^(1/2 
)/(a*d+(b*c-d)*x-(b+c)*x^2+x^3),x,method=_RETURNVERBOSE)
 
output
-4*c*((c-a)*x/c/(-a+x))^(1/2)*(-a+x)^2*(a*(-b+x)/b/(-a+x))^(1/2)*(a*(-c+x) 
/c/(-a+x))^(1/2)/(c-a)/a/(x*(-a+x)*(-b+x)*(-c+x))^(1/2)*EllipticF(((c-a)*x 
/c/(-a+x))^(1/2),((a-b)*c/b/(-c+a))^(1/2))+2*c/a^2*sum((-3*_alpha^2*a+_alp 
ha^2*b+_alpha^2*c+2*_alpha*a*b+2*_alpha*a*c-2*_alpha*b*c-a*b*c+2*_alpha*d- 
2*a*d)/(-3*_alpha^2+2*_alpha*b+2*_alpha*c-b*c+d)*(-a+x)^2/(c-a)*(_alpha^2+ 
_alpha*a-_alpha*b-_alpha*c+a^2-a*b-a*c+b*c-d)/(a^2-a*b-a*c+b*c)*((c-a)*x/c 
/(-a+x))^(1/2)*(a*(-b+x)/b/(-a+x))^(1/2)*(a*(-c+x)/c/(-a+x))^(1/2)/(x*(-a+ 
x)*(-b+x)*(-c+x))^(1/2)*(EllipticF(((c-a)*x/c/(-a+x))^(1/2),((a-b)*c/b/(-c 
+a))^(1/2))+(_alpha^2-_alpha*b-_alpha*c+b*c-d)/d*EllipticPi(((c-a)*x/c/(-a 
+x))^(1/2),-(_alpha^2-_alpha*b-_alpha*c+b*c)*c/d/(-c+a),((a-b)*c/b/(-c+a)) 
^(1/2))),_alpha=RootOf(_Z^3+(-b-c)*_Z^2+(b*c-d)*_Z+a*d))
 
3.9.27.5 Fricas [F(-1)]

Timed out. \[ \int \frac {-a b c+2 a (b+c) x-(3 a+b+c) x^2+2 x^3}{\sqrt {x (-a+x) (-b+x) (-c+x)} \left (a d+(b c-d) x-(b+c) x^2+x^3\right )} \, dx=\text {Timed out} \]

input
integrate((-a*b*c+2*a*(b+c)*x-(3*a+b+c)*x^2+2*x^3)/(x*(-a+x)*(-b+x)*(-c+x) 
)^(1/2)/(a*d+(b*c-d)*x-(b+c)*x^2+x^3),x, algorithm="fricas")
 
output
Timed out
 
3.9.27.6 Sympy [F(-1)]

Timed out. \[ \int \frac {-a b c+2 a (b+c) x-(3 a+b+c) x^2+2 x^3}{\sqrt {x (-a+x) (-b+x) (-c+x)} \left (a d+(b c-d) x-(b+c) x^2+x^3\right )} \, dx=\text {Timed out} \]

input
integrate((-a*b*c+2*a*(b+c)*x-(3*a+b+c)*x**2+2*x**3)/(x*(-a+x)*(-b+x)*(-c+ 
x))**(1/2)/(a*d+(b*c-d)*x-(b+c)*x**2+x**3),x)
 
output
Timed out
 
3.9.27.7 Maxima [F]

\[ \int \frac {-a b c+2 a (b+c) x-(3 a+b+c) x^2+2 x^3}{\sqrt {x (-a+x) (-b+x) (-c+x)} \left (a d+(b c-d) x-(b+c) x^2+x^3\right )} \, dx=\int { \frac {a b c - 2 \, a {\left (b + c\right )} x + {\left (3 \, a + b + c\right )} x^{2} - 2 \, x^{3}}{\sqrt {-{\left (a - x\right )} {\left (b - x\right )} {\left (c - x\right )} x} {\left ({\left (b + c\right )} x^{2} - x^{3} - a d - {\left (b c - d\right )} x\right )}} \,d x } \]

input
integrate((-a*b*c+2*a*(b+c)*x-(3*a+b+c)*x^2+2*x^3)/(x*(-a+x)*(-b+x)*(-c+x) 
)^(1/2)/(a*d+(b*c-d)*x-(b+c)*x^2+x^3),x, algorithm="maxima")
 
output
integrate((a*b*c - 2*a*(b + c)*x + (3*a + b + c)*x^2 - 2*x^3)/(sqrt(-(a - 
x)*(b - x)*(c - x)*x)*((b + c)*x^2 - x^3 - a*d - (b*c - d)*x)), x)
 
3.9.27.8 Giac [F]

\[ \int \frac {-a b c+2 a (b+c) x-(3 a+b+c) x^2+2 x^3}{\sqrt {x (-a+x) (-b+x) (-c+x)} \left (a d+(b c-d) x-(b+c) x^2+x^3\right )} \, dx=\int { \frac {a b c - 2 \, a {\left (b + c\right )} x + {\left (3 \, a + b + c\right )} x^{2} - 2 \, x^{3}}{\sqrt {-{\left (a - x\right )} {\left (b - x\right )} {\left (c - x\right )} x} {\left ({\left (b + c\right )} x^{2} - x^{3} - a d - {\left (b c - d\right )} x\right )}} \,d x } \]

input
integrate((-a*b*c+2*a*(b+c)*x-(3*a+b+c)*x^2+2*x^3)/(x*(-a+x)*(-b+x)*(-c+x) 
)^(1/2)/(a*d+(b*c-d)*x-(b+c)*x^2+x^3),x, algorithm="giac")
 
output
integrate((a*b*c - 2*a*(b + c)*x + (3*a + b + c)*x^2 - 2*x^3)/(sqrt(-(a - 
x)*(b - x)*(c - x)*x)*((b + c)*x^2 - x^3 - a*d - (b*c - d)*x)), x)
 
3.9.27.9 Mupad [F(-1)]

Timed out. \[ \int \frac {-a b c+2 a (b+c) x-(3 a+b+c) x^2+2 x^3}{\sqrt {x (-a+x) (-b+x) (-c+x)} \left (a d+(b c-d) x-(b+c) x^2+x^3\right )} \, dx=-\int \frac {-2\,x^3+\left (3\,a+b+c\right )\,x^2-2\,a\,\left (b+c\right )\,x+a\,b\,c}{\left (x^3+\left (-b-c\right )\,x^2+\left (b\,c-d\right )\,x+a\,d\right )\,\sqrt {-x\,\left (a-x\right )\,\left (b-x\right )\,\left (c-x\right )}} \,d x \]

input
int(-(x^2*(3*a + b + c) - 2*x^3 - 2*a*x*(b + c) + a*b*c)/((a*d - x^2*(b + 
c) - x*(d - b*c) + x^3)*(-x*(a - x)*(b - x)*(c - x))^(1/2)),x)
 
output
-int((x^2*(3*a + b + c) - 2*x^3 - 2*a*x*(b + c) + a*b*c)/((a*d - x^2*(b + 
c) - x*(d - b*c) + x^3)*(-x*(a - x)*(b - x)*(c - x))^(1/2)), x)