\(\int \frac {x^3}{(216+108 x^2+324 x^3+18 x^4+x^6)^2} \, dx\) [28]

Optimal result
Mathematica [C] (verified)
Rubi [A] (warning: unable to verify)
Maple [C] (verified)
Fricas [F(-1)]
Sympy [A] (verification not implemented)
Maxima [F]
Giac [F]
Mupad [B] (verification not implemented)
Reduce [F]

Optimal result

Integrand size = 26, antiderivative size = 884 \[ \int \frac {x^3}{\left (216+108 x^2+324 x^3+18 x^4+x^6\right )^2} \, dx =\text {Too large to display} \] Output:

1/157464*((-6)^(1/3)*(2*(-3)^(1/3)+9*2^(1/3))-3*x)/(8-9*I*2^(1/3)*3^(1/6)+ 
3*2^(1/3)*3^(2/3))/(6-3*(-3)^(1/3)*2^(2/3)*x+x^2)-1/157464*((-6)^(1/3)*(9* 
(-2)^(1/3)+2*3^(1/3))+3*x)/(8+9*I*2^(1/3)*3^(1/6)+3*2^(1/3)*3^(2/3))/(6+3* 
(-2)^(2/3)*3^(1/3)*x+x^2)-1/104976*(2*2^(1/3)-3*6^(2/3)-3^(1/3)*x)/(9*2^(1 
/3)-4*3^(1/3))/(6+3*2^(2/3)*3^(1/3)*x+x^2)+1/78732*arctan((3*(-3)^(1/3)*2^ 
(2/3)-2*x)/(24-18*(-3)^(2/3)*2^(1/3))^(1/2))*3^(1/2)/(8-9*I*2^(1/3)*3^(1/6 
)+3*2^(1/3)*3^(2/3))^(3/2)+1/209952*(9*3^(1/6)+I*(2*2^(2/3)-2*I*2^(2/3)*3^ 
(1/2)-3*3^(2/3)))*arctan((3*(-3)^(1/3)*2^(2/3)-2*x)/(24-18*(-3)^(2/3)*2^(1 
/3))^(1/2))*3^(1/3)/(1+(-1)^(1/3))^5/(8-6*(-3)^(2/3)*2^(1/3))^(1/2)-1/7873 
2*arctan((3*(-2)^(2/3)*3^(1/3)+2*x)/(24+18*(-2)^(1/3)*3^(2/3))^(1/2))*3^(1 
/2)/(8+9*I*2^(1/3)*3^(1/6)+3*2^(1/3)*3^(2/3))^(3/2)-1/209952*(9*3^(1/6)-I* 
(4*2^(2/3)+3*3^(2/3)))*arctan((3*(-2)^(2/3)*3^(1/3)+2*x)/(24+18*(-2)^(1/3) 
*3^(2/3))^(1/2))*3^(1/3)/(1+(-1)^(1/3))^5/(8+6*(-2)^(1/3)*3^(2/3))^(1/2)-1 
/314928*arctanh(2^(1/6)*(3*3^(1/3)+2^(1/3)*x)/(-12+9*2^(1/3)*3^(2/3))^(1/2 
))*6^(1/2)/(-4+3*2^(1/3)*3^(2/3))^(3/2)+1/2834352*(2*2^(2/3)-3*3^(2/3))*ar 
ctanh(2^(1/6)*(3*3^(1/3)+2^(1/3)*x)/(-12+9*2^(1/3)*3^(2/3))^(1/2))*3^(5/6) 
/(-8+6*2^(1/3)*3^(2/3))^(1/2)-1/139968*I*ln(6-3*(-3)^(1/3)*2^(2/3)*x+x^2)* 
2^(1/3)*3^(1/6)/(1+(-1)^(1/3))^5+1/279936*(3^(1/2)+I)*ln(6+3*(-2)^(2/3)*3^ 
(1/3)*x+x^2)*2^(1/3)*3^(1/6)/(1+(-1)^(1/3))^5+1/3779136*ln(6+3*2^(2/3)*3^( 
1/3)*x+x^2)*2^(1/3)*3^(2/3)
 

Mathematica [C] (verified)

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

Time = 0.03 (sec) , antiderivative size = 167, normalized size of antiderivative = 0.19 \[ \int \frac {x^3}{\left (216+108 x^2+324 x^3+18 x^4+x^6\right )^2} \, dx=\frac {972-3942 x+648 x^2+96 x^3-27 x^4+4 x^5}{3691656 \left (216+108 x^2+324 x^3+18 x^4+x^6\right )}+\frac {\text {RootSum}\left [216+108 \text {$\#$1}^2+324 \text {$\#$1}^3+18 \text {$\#$1}^4+\text {$\#$1}^6\&,\frac {1971 \log (x-\text {$\#$1})-162 \log (x-\text {$\#$1}) \text {$\#$1}+72 \log (x-\text {$\#$1}) \text {$\#$1}^2-27 \log (x-\text {$\#$1}) \text {$\#$1}^3+2 \log (x-\text {$\#$1}) \text {$\#$1}^4}{36 \text {$\#$1}+162 \text {$\#$1}^2+12 \text {$\#$1}^3+\text {$\#$1}^5}\&\right ]}{11074968} \] Input:

Integrate[x^3/(216 + 108*x^2 + 324*x^3 + 18*x^4 + x^6)^2,x]
 

Output:

(972 - 3942*x + 648*x^2 + 96*x^3 - 27*x^4 + 4*x^5)/(3691656*(216 + 108*x^2 
 + 324*x^3 + 18*x^4 + x^6)) + RootSum[216 + 108*#1^2 + 324*#1^3 + 18*#1^4 
+ #1^6 & , (1971*Log[x - #1] - 162*Log[x - #1]*#1 + 72*Log[x - #1]*#1^2 - 
27*Log[x - #1]*#1^3 + 2*Log[x - #1]*#1^4)/(36*#1 + 162*#1^2 + 12*#1^3 + #1 
^5) & ]/11074968
 

Rubi [A] (warning: unable to verify)

Time = 3.93 (sec) , antiderivative size = 855, normalized size of antiderivative = 0.97, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.077, Rules used = {2466, 2009}

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.

\(\displaystyle \int \frac {x^3}{\left (x^6+18 x^4+324 x^3+108 x^2+216\right )^2} \, dx\)

\(\Big \downarrow \) 2466

\(\displaystyle 1586874322944 \int \left (-\frac {x+3\ 2^{2/3} \sqrt [3]{3}}{83291859462684672\ 2^{2/3} \sqrt [3]{3} \left (x^2+3\ 2^{2/3} \sqrt [3]{3} x+6\right )^2}-\frac {3 i \sqrt [3]{2} \sqrt [6]{3} x+i 2^{2/3} 3^{5/6}-9 i \sqrt {3}+3\ 2^{2/3} \sqrt [3]{3}+27}{333167437850738688 \left (1+\sqrt [3]{-1}\right )^5 \left (x^2-3 \sqrt [3]{-3} 2^{2/3} x+6\right )}-\frac {2 \left (27-i \left (9 \sqrt {3}+2\ 2^{2/3} 3^{5/6}\right )\right )-3 \sqrt [3]{2} \sqrt [6]{3} \left (i+\sqrt {3}\right ) x}{666334875701477376 \left (1+\sqrt [3]{-1}\right )^5 \left (x^2+3 (-2)^{2/3} \sqrt [3]{3} x+6\right )}+\frac {3^{2/3} x+2^{2/3} \left (9-2^{2/3} \sqrt [3]{3}\right )}{1499253470328324096\ 2^{2/3} \left (x^2+3\ 2^{2/3} \sqrt [3]{3} x+6\right )}-\frac {9 (-2)^{2/3}-\sqrt [3]{-1} 3^{2/3} x}{27763953154228224\ 2^{2/3} \left (1+\sqrt [3]{-1}\right )^4 \left (x^2-3 \sqrt [3]{-3} 2^{2/3} x+6\right )^2}-\frac {9\ 2^{2/3}-\sqrt [3]{-1} 3^{2/3} x}{249875578388054016\ 2^{2/3} \left (x^2+3 (-2)^{2/3} \sqrt [3]{3} x+6\right )^2}\right )dx\)

\(\Big \downarrow \) 2009

\(\displaystyle 1586874322944 \left (-\frac {3 x+\sqrt [3]{-6} \left (9 \sqrt [3]{-2}+2 \sqrt [3]{3}\right )}{499751156776108032 \left (4+3 \sqrt [3]{-2} 3^{2/3}\right ) \left (x^2+3 (-2)^{2/3} \sqrt [3]{3} x+6\right )}+\frac {\left (9 i+\sqrt [3]{3} \left (4 i 2^{2/3}-9 \sqrt [6]{3}\right )\right ) \arctan \left (\frac {2 x+3 (-2)^{2/3} \sqrt [3]{3}}{\sqrt {6 \left (4+3 \sqrt [3]{-2} 3^{2/3}\right )}}\right )}{333167437850738688 \left (1+\sqrt [3]{-1}\right )^5 \sqrt {2 \left (4+3 \sqrt [3]{-2} 3^{2/3}\right )}}-\frac {\arctan \left (\frac {2 x+3 (-2)^{2/3} \sqrt [3]{3}}{\sqrt {6 \left (4+3 \sqrt [3]{-2} 3^{2/3}\right )}}\right )}{83291859462684672 \sqrt {6} \left (4+3 \sqrt [3]{-2} 3^{2/3}\right )^{3/2}}-\frac {\left (9 i-\sqrt [3]{3} \left (2 i 2^{2/3}+9 \sqrt [6]{3}+2\ 2^{2/3} \sqrt {3}\right )\right ) \arctan \left (\frac {\sqrt [6]{2} \left (3 \sqrt [3]{-3}-\sqrt [3]{2} x\right )}{\sqrt {3 \left (4-3 (-3)^{2/3} \sqrt [3]{2}\right )}}\right )}{333167437850738688 \left (1+\sqrt [3]{-1}\right )^5 \sqrt {2 \left (4-3 (-3)^{2/3} \sqrt [3]{2}\right )}}+\frac {\arctan \left (\frac {\sqrt [6]{2} \left (3 \sqrt [3]{-3}-\sqrt [3]{2} x\right )}{\sqrt {3 \left (4-3 (-3)^{2/3} \sqrt [3]{2}\right )}}\right )}{41645929731342336 \sqrt {3} \left (8-9 i \sqrt [3]{2} \sqrt [6]{3}+3 \sqrt [3]{2} 3^{2/3}\right )^{3/2}}-\frac {\sqrt {-4+3 \sqrt [3]{2} 3^{2/3}} \text {arctanh}\left (\frac {\sqrt [6]{2} \left (\sqrt [3]{2} x+3 \sqrt [3]{3}\right )}{\sqrt {3 \left (-4+3 \sqrt [3]{2} 3^{2/3}\right )}}\right )}{1499253470328324096\ 2^{5/6} \sqrt [6]{3}}-\frac {\text {arctanh}\left (\frac {\sqrt [6]{2} \left (\sqrt [3]{2} x+3 \sqrt [3]{3}\right )}{\sqrt {3 \left (-4+3 \sqrt [3]{2} 3^{2/3}\right )}}\right )}{83291859462684672 \sqrt {6} \left (-4+3 \sqrt [3]{2} 3^{2/3}\right )^{3/2}}-\frac {i \log \left (x^2-3 \sqrt [3]{-3} 2^{2/3} x+6\right )}{37018604205637632\ 2^{2/3} 3^{5/6} \left (1+\sqrt [3]{-1}\right )^5}+\frac {\left (i+\sqrt {3}\right ) \log \left (x^2+3 (-2)^{2/3} \sqrt [3]{3} x+6\right )}{74037208411275264\ 2^{2/3} 3^{5/6} \left (1+\sqrt [3]{-1}\right )^5}+\frac {\log \left (x^2+3\ 2^{2/3} \sqrt [3]{3} x+6\right )}{999502313552216064\ 2^{2/3} \sqrt [3]{3}}-\frac {3 (-2)^{2/3} x+2 \left (2 \sqrt [3]{-1} 3^{2/3}+9 \sqrt [3]{6}\right )}{55527906308456448\ 2^{2/3} \left (1+\sqrt [3]{-1}\right )^4 \left (4-3 (-3)^{2/3} \sqrt [3]{2}\right ) \left (x^2-3 \sqrt [3]{-3} 2^{2/3} x+6\right )}+\frac {-\sqrt [3]{3} x-3\ 6^{2/3}+2 \sqrt [3]{2}}{166583718925369344 \sqrt [3]{3} \left (4-3 \sqrt [3]{2} 3^{2/3}\right ) \left (x^2+3\ 2^{2/3} \sqrt [3]{3} x+6\right )}\right )\)

Input:

Int[x^3/(216 + 108*x^2 + 324*x^3 + 18*x^4 + x^6)^2,x]
 

Output:

1586874322944*(-1/55527906308456448*(2*(2*(-1)^(1/3)*3^(2/3) + 9*6^(1/3)) 
+ 3*(-2)^(2/3)*x)/(2^(2/3)*(1 + (-1)^(1/3))^4*(4 - 3*(-3)^(2/3)*2^(1/3))*( 
6 - 3*(-3)^(1/3)*2^(2/3)*x + x^2)) - ((-6)^(1/3)*(9*(-2)^(1/3) + 2*3^(1/3) 
) + 3*x)/(499751156776108032*(4 + 3*(-2)^(1/3)*3^(2/3))*(6 + 3*(-2)^(2/3)* 
3^(1/3)*x + x^2)) + (2*2^(1/3) - 3*6^(2/3) - 3^(1/3)*x)/(16658371892536934 
4*3^(1/3)*(4 - 3*2^(1/3)*3^(2/3))*(6 + 3*2^(2/3)*3^(1/3)*x + x^2)) - ArcTa 
n[(3*(-2)^(2/3)*3^(1/3) + 2*x)/Sqrt[6*(4 + 3*(-2)^(1/3)*3^(2/3))]]/(832918 
59462684672*Sqrt[6]*(4 + 3*(-2)^(1/3)*3^(2/3))^(3/2)) + ((9*I + 3^(1/3)*(( 
4*I)*2^(2/3) - 9*3^(1/6)))*ArcTan[(3*(-2)^(2/3)*3^(1/3) + 2*x)/Sqrt[6*(4 + 
 3*(-2)^(1/3)*3^(2/3))]])/(333167437850738688*(1 + (-1)^(1/3))^5*Sqrt[2*(4 
 + 3*(-2)^(1/3)*3^(2/3))]) + ArcTan[(2^(1/6)*(3*(-3)^(1/3) - 2^(1/3)*x))/S 
qrt[3*(4 - 3*(-3)^(2/3)*2^(1/3))]]/(41645929731342336*Sqrt[3]*(8 - (9*I)*2 
^(1/3)*3^(1/6) + 3*2^(1/3)*3^(2/3))^(3/2)) - ((9*I - 3^(1/3)*((2*I)*2^(2/3 
) + 9*3^(1/6) + 2*2^(2/3)*Sqrt[3]))*ArcTan[(2^(1/6)*(3*(-3)^(1/3) - 2^(1/3 
)*x))/Sqrt[3*(4 - 3*(-3)^(2/3)*2^(1/3))]])/(333167437850738688*(1 + (-1)^( 
1/3))^5*Sqrt[2*(4 - 3*(-3)^(2/3)*2^(1/3))]) - ArcTanh[(2^(1/6)*(3*3^(1/3) 
+ 2^(1/3)*x))/Sqrt[3*(-4 + 3*2^(1/3)*3^(2/3))]]/(83291859462684672*Sqrt[6] 
*(-4 + 3*2^(1/3)*3^(2/3))^(3/2)) - (Sqrt[-4 + 3*2^(1/3)*3^(2/3)]*ArcTanh[( 
2^(1/6)*(3*3^(1/3) + 2^(1/3)*x))/Sqrt[3*(-4 + 3*2^(1/3)*3^(2/3))]])/(14992 
53470328324096*2^(5/6)*3^(1/6)) - ((I/37018604205637632)*Log[6 - 3*(-3)...
 

Defintions of rubi rules used

rule 2009
Int[u_, x_Symbol] :> Simp[IntSum[u, x], x] /; SumQ[u]
 

rule 2466
Int[(u_.)*(Q6_)^(p_), x_Symbol] :> With[{a = Coeff[Q6, x, 0], b = Coeff[Q6, 
 x, 2], c = Coeff[Q6, x, 3], d = Coeff[Q6, x, 4], e = Coeff[Q6, x, 6]}, Sim 
p[1/(3^(3*p)*a^(2*p))   Int[ExpandIntegrand[u*(3*a + 3*Rt[a, 3]^2*Rt[c, 3]* 
x + b*x^2)^p*(3*a - 3*(-1)^(1/3)*Rt[a, 3]^2*Rt[c, 3]*x + b*x^2)^p*(3*a + 3* 
(-1)^(2/3)*Rt[a, 3]^2*Rt[c, 3]*x + b*x^2)^p, x], x], x] /; EqQ[b^2 - 3*a*d, 
 0] && EqQ[b^3 - 27*a^2*e, 0]] /; ILtQ[p, 0] && PolyQ[Q6, x, 6] && EqQ[Coef 
f[Q6, x, 1], 0] && EqQ[Coeff[Q6, x, 5], 0] && RationalFunctionQ[u, x]
 
Maple [C] (verified)

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

Time = 0.05 (sec) , antiderivative size = 122, normalized size of antiderivative = 0.14

method result size
default \(\frac {\frac {1}{922914} x^{5}-\frac {1}{136728} x^{4}+\frac {4}{153819} x^{3}+\frac {1}{5697} x^{2}-\frac {73}{68364} x +\frac {1}{3798}}{x^{6}+18 x^{4}+324 x^{3}+108 x^{2}+216}+\frac {\left (\munderset {\textit {\_R} =\operatorname {RootOf}\left (\textit {\_Z}^{6}+18 \textit {\_Z}^{4}+324 \textit {\_Z}^{3}+108 \textit {\_Z}^{2}+216\right )}{\sum }\frac {\left (2 \textit {\_R}^{4}-27 \textit {\_R}^{3}+72 \textit {\_R}^{2}-162 \textit {\_R} +1971\right ) \ln \left (x -\textit {\_R} \right )}{\textit {\_R}^{5}+12 \textit {\_R}^{3}+162 \textit {\_R}^{2}+36 \textit {\_R}}\right )}{11074968}\) \(122\)
risch \(\frac {\frac {1}{922914} x^{5}-\frac {1}{136728} x^{4}+\frac {4}{153819} x^{3}+\frac {1}{5697} x^{2}-\frac {73}{68364} x +\frac {1}{3798}}{x^{6}+18 x^{4}+324 x^{3}+108 x^{2}+216}+\frac {\left (\munderset {\textit {\_R} =\operatorname {RootOf}\left (\textit {\_Z}^{6}+18 \textit {\_Z}^{4}+324 \textit {\_Z}^{3}+108 \textit {\_Z}^{2}+216\right )}{\sum }\frac {\left (2 \textit {\_R}^{4}-27 \textit {\_R}^{3}+72 \textit {\_R}^{2}-162 \textit {\_R} +1971\right ) \ln \left (x -\textit {\_R} \right )}{\textit {\_R}^{5}+12 \textit {\_R}^{3}+162 \textit {\_R}^{2}+36 \textit {\_R}}\right )}{11074968}\) \(122\)

Input:

int(x^3/(x^6+18*x^4+324*x^3+108*x^2+216)^2,x,method=_RETURNVERBOSE)
 

Output:

(1/922914*x^5-1/136728*x^4+4/153819*x^3+1/5697*x^2-73/68364*x+1/3798)/(x^6 
+18*x^4+324*x^3+108*x^2+216)+1/11074968*sum((2*_R^4-27*_R^3+72*_R^2-162*_R 
+1971)/(_R^5+12*_R^3+162*_R^2+36*_R)*ln(x-_R),_R=RootOf(_Z^6+18*_Z^4+324*_ 
Z^3+108*_Z^2+216))
 

Fricas [F(-1)]

Timed out. \[ \int \frac {x^3}{\left (216+108 x^2+324 x^3+18 x^4+x^6\right )^2} \, dx=\text {Timed out} \] Input:

integrate(x^3/(x^6+18*x^4+324*x^3+108*x^2+216)^2,x, algorithm="fricas")
 

Output:

Timed out
 

Sympy [A] (verification not implemented)

Time = 0.22 (sec) , antiderivative size = 112, normalized size of antiderivative = 0.13 \[ \int \frac {x^3}{\left (216+108 x^2+324 x^3+18 x^4+x^6\right )^2} \, dx=\operatorname {RootSum} {\left (1282755170017893101915524820582750453426552832 t^{6} - 906388465775544244426251149770752 t^{4} - 4300873166389987741684137984 t^{3} - 717000908921644962816 t^{2} + 135354162312576 t - 7197829, \left ( t \mapsto t \log {\left (\frac {17257935592810449901409556597891882995604001083339368041361480613888 t^{5}}{154206009791052044490694380303237521} + \frac {2389607400620985524376358853572652207181956324560587684052992 t^{4}}{154206009791052044490694380303237521} - \frac {12286072160883283930711715948878260078996992193488388096 t^{3}}{154206009791052044490694380303237521} - \frac {59490553573959173161125496013527909754156558410752 t^{2}}{154206009791052044490694380303237521} - \frac {17520149679836691112367064197713753004827200 t}{154206009791052044490694380303237521} + x + \frac {766422988707229615055855287040887332}{154206009791052044490694380303237521} \right )} \right )\right )} + \frac {4 x^{5} - 27 x^{4} + 96 x^{3} + 648 x^{2} - 3942 x + 972}{3691656 x^{6} + 66449808 x^{4} + 1196096544 x^{3} + 398698848 x^{2} + 797397696} \] Input:

integrate(x**3/(x**6+18*x**4+324*x**3+108*x**2+216)**2,x)
 

Output:

RootSum(1282755170017893101915524820582750453426552832*_t**6 - 90638846577 
5544244426251149770752*_t**4 - 4300873166389987741684137984*_t**3 - 717000 
908921644962816*_t**2 + 135354162312576*_t - 7197829, Lambda(_t, _t*log(17 
257935592810449901409556597891882995604001083339368041361480613888*_t**5/1 
54206009791052044490694380303237521 + 238960740062098552437635885357265220 
7181956324560587684052992*_t**4/154206009791052044490694380303237521 - 122 
86072160883283930711715948878260078996992193488388096*_t**3/15420600979105 
2044490694380303237521 - 5949055357395917316112549601352790975415655841075 
2*_t**2/154206009791052044490694380303237521 - 175201496798366911123670641 
97713753004827200*_t/154206009791052044490694380303237521 + x + 7664229887 
07229615055855287040887332/154206009791052044490694380303237521))) + (4*x* 
*5 - 27*x**4 + 96*x**3 + 648*x**2 - 3942*x + 972)/(3691656*x**6 + 66449808 
*x**4 + 1196096544*x**3 + 398698848*x**2 + 797397696)
 

Maxima [F]

\[ \int \frac {x^3}{\left (216+108 x^2+324 x^3+18 x^4+x^6\right )^2} \, dx=\int { \frac {x^{3}}{{\left (x^{6} + 18 \, x^{4} + 324 \, x^{3} + 108 \, x^{2} + 216\right )}^{2}} \,d x } \] Input:

integrate(x^3/(x^6+18*x^4+324*x^3+108*x^2+216)^2,x, algorithm="maxima")
 

Output:

1/3691656*(4*x^5 - 27*x^4 + 96*x^3 + 648*x^2 - 3942*x + 972)/(x^6 + 18*x^4 
 + 324*x^3 + 108*x^2 + 216) + 1/1845828*integrate((2*x^4 - 27*x^3 + 72*x^2 
 - 162*x + 1971)/(x^6 + 18*x^4 + 324*x^3 + 108*x^2 + 216), x)
 

Giac [F]

\[ \int \frac {x^3}{\left (216+108 x^2+324 x^3+18 x^4+x^6\right )^2} \, dx=\int { \frac {x^{3}}{{\left (x^{6} + 18 \, x^{4} + 324 \, x^{3} + 108 \, x^{2} + 216\right )}^{2}} \,d x } \] Input:

integrate(x^3/(x^6+18*x^4+324*x^3+108*x^2+216)^2,x, algorithm="giac")
 

Output:

integrate(x^3/(x^6 + 18*x^4 + 324*x^3 + 108*x^2 + 216)^2, x)
                                                                                    
                                                                                    
 

Mupad [B] (verification not implemented)

Time = 23.01 (sec) , antiderivative size = 387, normalized size of antiderivative = 0.44 \[ \int \frac {x^3}{\left (216+108 x^2+324 x^3+18 x^4+x^6\right )^2} \, dx=\text {Too large to display} \] Input:

int(x^3/(108*x^2 + 324*x^3 + 18*x^4 + x^6 + 216)^2,x)
 

Output:

symsum(log((11*x)/603554178896188848 - (14059*root(z^6 - (292589*z^4)/4140 
82997094657024 - (11805253*z^3)/3520970912943705975865344 - (2479189*z^2)/ 
4435409310686141742269284220928 + (1989787*z)/1885726687584283082922664540 
5233577984 - 7197829/1282755170017893101915524820582750453426552832, z, k) 
)/30663729050256 - (5658601*root(z^6 - (292589*z^4)/414082997094657024 - ( 
11805253*z^3)/3520970912943705975865344 - (2479189*z^2)/443540931068614174 
2269284220928 + (1989787*z)/18857266875842830829226645405233577984 - 71978 
29/1282755170017893101915524820582750453426552832, z, k)*x)/66233654748552 
96 + (6603523*root(z^6 - (292589*z^4)/414082997094657024 - (11805253*z^3)/ 
3520970912943705975865344 - (2479189*z^2)/4435409310686141742269284220928 
+ (1989787*z)/18857266875842830829226645405233577984 - 7197829/12827551700 
17893101915524820582750453426552832, z, k)^2*x)/584204562 - (1762321104*ro 
ot(z^6 - (292589*z^4)/414082997094657024 - (11805253*z^3)/3520970912943705 
975865344 - (2479189*z^2)/4435409310686141742269284220928 + (1989787*z)/18 
857266875842830829226645405233577984 - 7197829/128275517001789310191552482 
0582750453426552832, z, k)^3*x)/44521 - (59633904436992*root(z^6 - (292589 
*z^4)/414082997094657024 - (11805253*z^3)/3520970912943705975865344 - (247 
9189*z^2)/4435409310686141742269284220928 + (1989787*z)/188572668758428308 
29226645405233577984 - 7197829/1282755170017893101915524820582750453426552 
832, z, k)^4*x)/211 - 6940988288557056*root(z^6 - (292589*z^4)/41408299...
 

Reduce [F]

\[ \int \frac {x^3}{\left (216+108 x^2+324 x^3+18 x^4+x^6\right )^2} \, dx=\text {too large to display} \] Input:

int(x^3/(x^6+18*x^4+324*x^3+108*x^2+216)^2,x)
 

Output:

(14580*int(x**8/(x**12 + 36*x**10 + 648*x**9 + 540*x**8 + 11664*x**7 + 109 
296*x**6 + 69984*x**5 + 19440*x**4 + 139968*x**3 + 46656*x**2 + 46656),x)* 
x**6 + 262440*int(x**8/(x**12 + 36*x**10 + 648*x**9 + 540*x**8 + 11664*x** 
7 + 109296*x**6 + 69984*x**5 + 19440*x**4 + 139968*x**3 + 46656*x**2 + 466 
56),x)*x**4 + 4723920*int(x**8/(x**12 + 36*x**10 + 648*x**9 + 540*x**8 + 1 
1664*x**7 + 109296*x**6 + 69984*x**5 + 19440*x**4 + 139968*x**3 + 46656*x* 
*2 + 46656),x)*x**3 + 1574640*int(x**8/(x**12 + 36*x**10 + 648*x**9 + 540* 
x**8 + 11664*x**7 + 109296*x**6 + 69984*x**5 + 19440*x**4 + 139968*x**3 + 
46656*x**2 + 46656),x)*x**2 + 3149280*int(x**8/(x**12 + 36*x**10 + 648*x** 
9 + 540*x**8 + 11664*x**7 + 109296*x**6 + 69984*x**5 + 19440*x**4 + 139968 
*x**3 + 46656*x**2 + 46656),x) + 184680*int(x**6/(x**12 + 36*x**10 + 648*x 
**9 + 540*x**8 + 11664*x**7 + 109296*x**6 + 69984*x**5 + 19440*x**4 + 1399 
68*x**3 + 46656*x**2 + 46656),x)*x**6 + 3324240*int(x**6/(x**12 + 36*x**10 
 + 648*x**9 + 540*x**8 + 11664*x**7 + 109296*x**6 + 69984*x**5 + 19440*x** 
4 + 139968*x**3 + 46656*x**2 + 46656),x)*x**4 + 59836320*int(x**6/(x**12 + 
 36*x**10 + 648*x**9 + 540*x**8 + 11664*x**7 + 109296*x**6 + 69984*x**5 + 
19440*x**4 + 139968*x**3 + 46656*x**2 + 46656),x)*x**3 + 19945440*int(x**6 
/(x**12 + 36*x**10 + 648*x**9 + 540*x**8 + 11664*x**7 + 109296*x**6 + 6998 
4*x**5 + 19440*x**4 + 139968*x**3 + 46656*x**2 + 46656),x)*x**2 + 39890880 
*int(x**6/(x**12 + 36*x**10 + 648*x**9 + 540*x**8 + 11664*x**7 + 109296...