\(\int \frac {x^2}{(1+2 x+\sqrt {-2+8 x-5 x^2})^2} \, dx\) [52]

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

Optimal result

Integrand size = 25, antiderivative size = 554 \[ \int \frac {x^2}{\left (1+2 x+\sqrt {-2+8 x-5 x^2}\right )^2} \, dx=-\frac {2 \sqrt {\frac {2}{3}} \left (2 \left (767+532 \sqrt {6}\right )-\frac {5 \left (10636-2629 \sqrt {6}\right ) \sqrt {-2+8 x-5 x^2}}{\left (13-2 \sqrt {6}\right ) \left (4-\sqrt {6}-5 x\right )}\right )}{3105 \left (13+2 \sqrt {6}-\frac {10 \sqrt {6} \sqrt {-2+8 x-5 x^2}}{4-\sqrt {6}-5 x}-\frac {5 \left (13-2 \sqrt {6}\right ) \left (2-8 x+5 x^2\right )}{\left (4-\sqrt {6}-5 x\right )^2}\right )}+\frac {8 \left (2+\frac {5 \sqrt {-2+8 x-5 x^2}}{4-\sqrt {6}-5 x}\right )}{15 \left (1-\frac {5 \left (2-8 x+5 x^2\right )}{\left (4-\sqrt {6}-5 x\right )^2}\right ) \left (13+2 \sqrt {6}-\frac {10 \sqrt {6} \sqrt {-2+8 x-5 x^2}}{4-\sqrt {6}-5 x}-\frac {5 \left (13-2 \sqrt {6}\right ) \left (2-8 x+5 x^2\right )}{\left (4-\sqrt {6}-5 x\right )^2}\right )}+\frac {212 \arctan \left (\frac {\sqrt {5} \sqrt {-2+8 x-5 x^2}}{4-\sqrt {6}-5 x}\right )}{729 \sqrt {5}}+\frac {14600 \arctan \left (\frac {6+\frac {\left (12-13 \sqrt {6}\right ) \sqrt {-2+8 x-5 x^2}}{4-\sqrt {6}-5 x}}{\sqrt {138}}\right )}{16767 \sqrt {23}}-\frac {100}{729} \log \left (\frac {2 \left (3-2 \sqrt {6}\right )+5 \sqrt {6} x}{\left (4-\sqrt {6}-5 x\right )^2}\right )+\frac {100}{729} \log \left (\frac {2 \left (3-2 \sqrt {6}\right )+12 x-3 \sqrt {6} x+10 \sqrt {6} x^2+6 \sqrt {-2+8 x-5 x^2}-4 \sqrt {6} \sqrt {-2+8 x-5 x^2}+5 \sqrt {6} x \sqrt {-2+8 x-5 x^2}}{\left (4-\sqrt {6}-5 x\right )^2}\right ) \] Output:

-2/3*6^(1/2)*(1534+1064*6^(1/2)-5*(10636-2629*6^(1/2))*(-5*x^2+8*x-2)^(1/2 
)/(13-2*6^(1/2))/(4-6^(1/2)-5*x))/(40365+6210*6^(1/2)-31050*6^(1/2)*(-5*x^ 
2+8*x-2)^(1/2)/(4-6^(1/2)-5*x)-15525*(13-2*6^(1/2))*(5*x^2-8*x+2)/(4-6^(1/ 
2)-5*x)^2)+8/15*(2+5*(-5*x^2+8*x-2)^(1/2)/(4-6^(1/2)-5*x))/(1-5*(5*x^2-8*x 
+2)/(4-6^(1/2)-5*x)^2)/(13+2*6^(1/2)-10*6^(1/2)*(-5*x^2+8*x-2)^(1/2)/(4-6^ 
(1/2)-5*x)-5*(13-2*6^(1/2))*(5*x^2-8*x+2)/(4-6^(1/2)-5*x)^2)+212/3645*arct 
an(5^(1/2)*(-5*x^2+8*x-2)^(1/2)/(4-6^(1/2)-5*x))*5^(1/2)+14600/385641*arct 
an(1/138*(6+(12-13*6^(1/2))*(-5*x^2+8*x-2)^(1/2)/(4-6^(1/2)-5*x))*138^(1/2 
))*23^(1/2)-100/729*ln((6-4*6^(1/2)+5*x*6^(1/2))/(4-6^(1/2)-5*x)^2)+100/72 
9*ln((6-4*6^(1/2)+12*x-3*x*6^(1/2)+10*6^(1/2)*x^2+6*(-5*x^2+8*x-2)^(1/2)-4 
*6^(1/2)*(-5*x^2+8*x-2)^(1/2)+5*6^(1/2)*x*(-5*x^2+8*x-2)^(1/2))/(4-6^(1/2) 
-5*x)^2)
 

Mathematica [C] (verified)

Result contains complex when optimal does not.

Time = 8.22 (sec) , antiderivative size = 1128, normalized size of antiderivative = 2.04 \[ \int \frac {x^2}{\left (1+2 x+\sqrt {-2+8 x-5 x^2}\right )^2} \, dx =\text {Too large to display} \] Input:

Integrate[x^2/(1 + 2*x + Sqrt[-2 + 8*x - 5*x^2])^2,x]
 

Output:

(-23805*x + (115*(3126 - 6247*x))/(3 - 4*x + 9*x^2) - (1035*Sqrt[-2 + 8*x 
- 5*x^2]*(336 - 799*x + 828*x^2))/(3 - 4*x + 9*x^2) - 56074*Sqrt[5]*ArcSin 
[(4 - 5*x)/Sqrt[6]] + 36500*Sqrt[23]*ArcTan[(-2 + 9*x)/Sqrt[23]] - ((250*I 
)*(-109*I + 445*Sqrt[23])*ArcTan[(23*(-625034999 + (31717972*I)*Sqrt[23] + 
 8*(65984878 - (56521751*I)*Sqrt[23])*x + (85877608 + (2214584710*I)*Sqrt[ 
23])*x^2 + 900*(7286713 - (4610645*I)*Sqrt[23])*x^3 + (10125*I)*(791161*I 
+ 205946*Sqrt[23])*x^4))/(9763896428*I + 2370058321*Sqrt[23] - 2025*(-5801 
198*I + 12282473*Sqrt[23])*x^4 - 246588624*Sqrt[23*(77 - (52*I)*Sqrt[23])] 
*Sqrt[-2 + 8*x - 5*x^2] + 36*x^3*(-4062801535*I + 1309323961*Sqrt[23] + 25 
686315*Sqrt[23*(77 - (52*I)*Sqrt[23])]*Sqrt[-2 + 8*x - 5*x^2]) - 2*x^2*(-1 
16526334717*I + 8516310250*Sqrt[23] + 575373456*Sqrt[23*(77 - (52*I)*Sqrt[ 
23])]*Sqrt[-2 + 8*x - 5*x^2]) + x*(-90041575208*I - 6413927920*Sqrt[23] + 
637020612*Sqrt[23*(77 - (52*I)*Sqrt[23])]*Sqrt[-2 + 8*x - 5*x^2]))])/Sqrt[ 
77/23 - (52*I)/Sqrt[23]] + (250*(109 - (445*I)*Sqrt[23])*ArcTan[(23*(-6250 
34999 - (31717972*I)*Sqrt[23] + 8*(65984878 + (56521751*I)*Sqrt[23])*x + ( 
85877608 - (2214584710*I)*Sqrt[23])*x^2 + 900*(7286713 + (4610645*I)*Sqrt[ 
23])*x^3 - (10125*I)*(-791161*I + 205946*Sqrt[23])*x^4))/(9763896428*I - 2 
370058321*Sqrt[23] + 2025*(5801198*I + 12282473*Sqrt[23])*x^4 + 246588624* 
Sqrt[23*(77 + (52*I)*Sqrt[23])]*Sqrt[-2 + 8*x - 5*x^2] + x*(-90041575208*I 
 + 6413927920*Sqrt[23] - 637020612*Sqrt[23*(77 + (52*I)*Sqrt[23])]*Sqrt...
 

Rubi [A] (verified)

Time = 0.84 (sec) , antiderivative size = 253, normalized size of antiderivative = 0.46, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.080, Rules used = {7293, 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.

\(\displaystyle \int \frac {x^2}{\left (\sqrt {-5 x^2+8 x-2}+2 x+1\right )^2} \, dx\)

\(\Big \downarrow \) 7293

\(\displaystyle \int \left (-\frac {4 \sqrt {-5 x^2+8 x-2} x}{9 \left (9 x^2-4 x+3\right )}-\frac {28 \sqrt {-5 x^2+8 x-2} x}{81 \left (9 x^2-4 x+3\right )^2}+\frac {900 x+389}{729 \left (9 x^2-4 x+3\right )}-\frac {34 \sqrt {-5 x^2+8 x-2}}{81 \left (9 x^2-4 x+3\right )}-\frac {2 (680 x+543)}{729 \left (9 x^2-4 x+3\right )^2}+\frac {34 \sqrt {-5 x^2+8 x-2}}{27 \left (9 x^2-4 x+3\right )^2}-\frac {1}{81}\right )dx\)

\(\Big \downarrow \) 2009

\(\displaystyle -\frac {34}{729} \sqrt {5} \arcsin \left (\frac {4-5 x}{\sqrt {6}}\right )+\frac {64 \arcsin \left (\frac {4-5 x}{\sqrt {6}}\right )}{729 \sqrt {5}}+\frac {7300 \arctan \left (\frac {8-13 x}{\sqrt {23} \sqrt {-5 x^2+8 x-2}}\right )}{16767 \sqrt {23}}-\frac {7300 \arctan \left (\frac {2-9 x}{\sqrt {23}}\right )}{16767 \sqrt {23}}+\frac {100}{729} \text {arctanh}\left (\frac {2 x+1}{\sqrt {-5 x^2+8 x-2}}\right )+\frac {3126-6247 x}{16767 \left (9 x^2-4 x+3\right )}-\frac {4}{81} \sqrt {-5 x^2+8 x-2}-\frac {17 (2-9 x) \sqrt {-5 x^2+8 x-2}}{621 \left (9 x^2-4 x+3\right )}+\frac {14 (3-2 x) \sqrt {-5 x^2+8 x-2}}{1863 \left (9 x^2-4 x+3\right )}+\frac {50}{729} \log \left (9 x^2-4 x+3\right )-\frac {x}{81}\)

Input:

Int[x^2/(1 + 2*x + Sqrt[-2 + 8*x - 5*x^2])^2,x]
 

Output:

-1/81*x - (4*Sqrt[-2 + 8*x - 5*x^2])/81 + (3126 - 6247*x)/(16767*(3 - 4*x 
+ 9*x^2)) - (17*(2 - 9*x)*Sqrt[-2 + 8*x - 5*x^2])/(621*(3 - 4*x + 9*x^2)) 
+ (14*(3 - 2*x)*Sqrt[-2 + 8*x - 5*x^2])/(1863*(3 - 4*x + 9*x^2)) + (64*Arc 
Sin[(4 - 5*x)/Sqrt[6]])/(729*Sqrt[5]) - (34*Sqrt[5]*ArcSin[(4 - 5*x)/Sqrt[ 
6]])/729 - (7300*ArcTan[(2 - 9*x)/Sqrt[23]])/(16767*Sqrt[23]) + (7300*ArcT 
an[(8 - 13*x)/(Sqrt[23]*Sqrt[-2 + 8*x - 5*x^2])])/(16767*Sqrt[23]) + (100* 
ArcTanh[(1 + 2*x)/Sqrt[-2 + 8*x - 5*x^2]])/729 + (50*Log[3 - 4*x + 9*x^2]) 
/729
 

Defintions of rubi rules used

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

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

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

Time = 0.99 (sec) , antiderivative size = 1172, normalized size of antiderivative = 2.12

method result size
trager \(\text {Expression too large to display}\) \(1172\)
default \(\text {Expression too large to display}\) \(6561\)

Input:

int(x^2/(1+2*x+(-5*x^2+8*x-2)^(1/2))^2,x,method=_RETURNVERBOSE)
 

Output:

-1/1863*(207*x^2+950*x+300)*x/(9*x^2-4*x+3)-1/1863*(828*x^2-799*x+336)/(9* 
x^2-4*x+3)*(-5*x^2+8*x-2)^(1/2)+200/729*ln(37671726726*RootOf(135*_Z^2+115 
00*_Z+299943)^2*RootOf(621*_Z^2-52900*_Z+1620000)^2*x+2468671220475*RootOf 
(135*_Z^2+11500*_Z+299943)*RootOf(621*_Z^2-52900*_Z+1620000)^2*x-395650312 
1550*RootOf(135*_Z^2+11500*_Z+299943)^2*RootOf(621*_Z^2-52900*_Z+1620000)* 
x-855439149960*RootOf(135*_Z^2+11500*_Z+299943)*RootOf(621*_Z^2-52900*_Z+1 
620000)*(-5*x^2+8*x-2)^(1/2)+40244022639756*RootOf(621*_Z^2-52900*_Z+16200 
00)^2*x-239945560251300*RootOf(621*_Z^2-52900*_Z+1620000)*RootOf(135*_Z^2+ 
11500*_Z+299943)*x+101037495487500*RootOf(135*_Z^2+11500*_Z+299943)^2*x+27 
0740228057280*(-5*x^2+8*x-2)^(1/2)*RootOf(621*_Z^2-52900*_Z+1620000)-24887 
1188718000*RootOf(135*_Z^2+11500*_Z+299943)*(-5*x^2+8*x-2)^(1/2)-273243179 
64420*RootOf(135*_Z^2+11500*_Z+299943)*RootOf(621*_Z^2-52900*_Z+1620000)-3 
601271727150750*RootOf(621*_Z^2-52900*_Z+1620000)*x+5636016844605000*RootO 
f(135*_Z^2+11500*_Z+299943)*x-19985447861813000*(-5*x^2+8*x-2)^(1/2)-83238 
7238465040*RootOf(621*_Z^2-52900*_Z+1620000)+1197372142395000*RootOf(135*_ 
Z^2+11500*_Z+299943)+78089605249347500*x+30714221756597000)-2/621*ln(37671 
726726*RootOf(135*_Z^2+11500*_Z+299943)^2*RootOf(621*_Z^2-52900*_Z+1620000 
)^2*x+2468671220475*RootOf(135*_Z^2+11500*_Z+299943)*RootOf(621*_Z^2-52900 
*_Z+1620000)^2*x-3956503121550*RootOf(135*_Z^2+11500*_Z+299943)^2*RootOf(6 
21*_Z^2-52900*_Z+1620000)*x-855439149960*RootOf(135*_Z^2+11500*_Z+29994...
 

Fricas [A] (verification not implemented)

Time = 0.10 (sec) , antiderivative size = 374, normalized size of antiderivative = 0.68 \[ \int \frac {x^2}{\left (1+2 x+\sqrt {-2+8 x-5 x^2}\right )^2} \, dx=-\frac {214245 \, x^{3} - 36500 \, \sqrt {23} {\left (9 \, x^{2} - 4 \, x + 3\right )} \arctan \left (\frac {1}{23} \, \sqrt {23} {\left (9 \, x - 2\right )}\right ) + 56074 \, \sqrt {5} {\left (9 \, x^{2} - 4 \, x + 3\right )} \arctan \left (\frac {\sqrt {5} \sqrt {-5 \, x^{2} + 8 \, x - 2} {\left (5 \, x - 4\right )}}{5 \, {\left (5 \, x^{2} - 8 \, x + 2\right )}}\right ) - 18250 \, \sqrt {23} {\left (9 \, x^{2} - 4 \, x + 3\right )} \arctan \left (\frac {\sqrt {23} \sqrt {-5 \, x^{2} + 8 \, x - 2} {\left (13 \, x - 8\right )} + 2 \, \sqrt {23} {\left (2 \, x^{2} - 3 \, x\right )}}{23 \, {\left (7 \, x^{2} - 8 \, x + 2\right )}}\right ) - 18250 \, \sqrt {23} {\left (9 \, x^{2} - 4 \, x + 3\right )} \arctan \left (\frac {\sqrt {23} \sqrt {-5 \, x^{2} + 8 \, x - 2} {\left (13 \, x - 8\right )} - 2 \, \sqrt {23} {\left (2 \, x^{2} - 3 \, x\right )}}{23 \, {\left (7 \, x^{2} - 8 \, x + 2\right )}}\right ) - 95220 \, x^{2} - 132250 \, {\left (9 \, x^{2} - 4 \, x + 3\right )} \log \left (9 \, x^{2} - 4 \, x + 3\right ) + 66125 \, {\left (9 \, x^{2} - 4 \, x + 3\right )} \log \left (-\frac {x^{2} + 2 \, \sqrt {-5 \, x^{2} + 8 \, x - 2} {\left (2 \, x + 1\right )} - 12 \, x + 1}{x^{2}}\right ) - 66125 \, {\left (9 \, x^{2} - 4 \, x + 3\right )} \log \left (-\frac {x^{2} - 2 \, \sqrt {-5 \, x^{2} + 8 \, x - 2} {\left (2 \, x + 1\right )} - 12 \, x + 1}{x^{2}}\right ) + 1035 \, {\left (828 \, x^{2} - 799 \, x + 336\right )} \sqrt {-5 \, x^{2} + 8 \, x - 2} + 789820 \, x - 359490}{1928205 \, {\left (9 \, x^{2} - 4 \, x + 3\right )}} \] Input:

integrate(x^2/(1+2*x+(-5*x^2+8*x-2)^(1/2))^2,x, algorithm="fricas")
 

Output:

-1/1928205*(214245*x^3 - 36500*sqrt(23)*(9*x^2 - 4*x + 3)*arctan(1/23*sqrt 
(23)*(9*x - 2)) + 56074*sqrt(5)*(9*x^2 - 4*x + 3)*arctan(1/5*sqrt(5)*sqrt( 
-5*x^2 + 8*x - 2)*(5*x - 4)/(5*x^2 - 8*x + 2)) - 18250*sqrt(23)*(9*x^2 - 4 
*x + 3)*arctan(1/23*(sqrt(23)*sqrt(-5*x^2 + 8*x - 2)*(13*x - 8) + 2*sqrt(2 
3)*(2*x^2 - 3*x))/(7*x^2 - 8*x + 2)) - 18250*sqrt(23)*(9*x^2 - 4*x + 3)*ar 
ctan(1/23*(sqrt(23)*sqrt(-5*x^2 + 8*x - 2)*(13*x - 8) - 2*sqrt(23)*(2*x^2 
- 3*x))/(7*x^2 - 8*x + 2)) - 95220*x^2 - 132250*(9*x^2 - 4*x + 3)*log(9*x^ 
2 - 4*x + 3) + 66125*(9*x^2 - 4*x + 3)*log(-(x^2 + 2*sqrt(-5*x^2 + 8*x - 2 
)*(2*x + 1) - 12*x + 1)/x^2) - 66125*(9*x^2 - 4*x + 3)*log(-(x^2 - 2*sqrt( 
-5*x^2 + 8*x - 2)*(2*x + 1) - 12*x + 1)/x^2) + 1035*(828*x^2 - 799*x + 336 
)*sqrt(-5*x^2 + 8*x - 2) + 789820*x - 359490)/(9*x^2 - 4*x + 3)
 

Sympy [F]

\[ \int \frac {x^2}{\left (1+2 x+\sqrt {-2+8 x-5 x^2}\right )^2} \, dx=\int \frac {x^{2}}{\left (2 x + \sqrt {- 5 x^{2} + 8 x - 2} + 1\right )^{2}}\, dx \] Input:

integrate(x**2/(1+2*x+(-5*x**2+8*x-2)**(1/2))**2,x)
 

Output:

Integral(x**2/(2*x + sqrt(-5*x**2 + 8*x - 2) + 1)**2, x)
 

Maxima [F]

\[ \int \frac {x^2}{\left (1+2 x+\sqrt {-2+8 x-5 x^2}\right )^2} \, dx=\int { \frac {x^{2}}{{\left (2 \, x + \sqrt {-5 \, x^{2} + 8 \, x - 2} + 1\right )}^{2}} \,d x } \] Input:

integrate(x^2/(1+2*x+(-5*x^2+8*x-2)^(1/2))^2,x, algorithm="maxima")
 

Output:

integrate(x^2/(2*x + sqrt(-5*x^2 + 8*x - 2) + 1)^2, x)
 

Giac [A] (verification not implemented)

Time = 0.17 (sec) , antiderivative size = 673, normalized size of antiderivative = 1.21 \[ \int \frac {x^2}{\left (1+2 x+\sqrt {-2+8 x-5 x^2}\right )^2} \, dx =\text {Too large to display} \] Input:

integrate(x^2/(1+2*x+(-5*x^2+8*x-2)^(1/2))^2,x, algorithm="giac")
 

Output:

106/3645*sqrt(5)*arcsin(1/6*sqrt(6)*(5*x - 4)) + 7300/385641*sqrt(23)*arct 
an(1/23*sqrt(23)*(9*x - 2)) - 1/81*x + 7300/16767*(5*sqrt(6) + 13*sqrt(5)) 
*arctan(-(26*sqrt(6) + 12*sqrt(5) - 139*(sqrt(5)*sqrt(-5*x^2 + 8*x - 2) - 
sqrt(6))/(5*x - 4))/(5*sqrt(138) + 13*sqrt(115)))/(5*sqrt(138) + 13*sqrt(1 
15)) + 7300/16767*(5*sqrt(6) - 13*sqrt(5))*arctan((26*sqrt(6) - 12*sqrt(5) 
 - 139*(sqrt(5)*sqrt(-5*x^2 + 8*x - 2) - sqrt(6))/(5*x - 4))/(5*sqrt(138) 
- 13*sqrt(115)))/(5*sqrt(138) - 13*sqrt(115)) - 4/81*sqrt(-5*x^2 + 8*x - 2 
) - 1/16767*(6247*x - 3126)/(9*x^2 - 4*x + 3) - 4/258957*(98968*sqrt(30) - 
 42417*sqrt(5)*(sqrt(5)*sqrt(-5*x^2 + 8*x - 2) - sqrt(6))^3/(5*x - 4)^3 + 
175864*sqrt(30)*(sqrt(5)*sqrt(-5*x^2 + 8*x - 2) - sqrt(6))^2/(5*x - 4)^2 - 
 401871*sqrt(5)*(sqrt(5)*sqrt(-5*x^2 + 8*x - 2) - sqrt(6))/(5*x - 4))/(104 
*sqrt(6)*(sqrt(5)*sqrt(-5*x^2 + 8*x - 2) - sqrt(6))^3/(5*x - 4)^3 + 104*sq 
rt(6)*(sqrt(5)*sqrt(-5*x^2 + 8*x - 2) - sqrt(6))/(5*x - 4) - 139*(sqrt(5)* 
sqrt(-5*x^2 + 8*x - 2) - sqrt(6))^4/(5*x - 4)^4 - 494*(sqrt(5)*sqrt(-5*x^2 
 + 8*x - 2) - sqrt(6))^2/(5*x - 4)^2 - 139) + 50/729*log(9*x^2 - 4*x + 3) 
+ 50/729*log(-4*(sqrt(5)*sqrt(-5*x^2 + 8*x - 2) - sqrt(6))*(13*sqrt(6) + 6 
*sqrt(5))/(5*x - 4) + 26*sqrt(30) + 139*(sqrt(5)*sqrt(-5*x^2 + 8*x - 2) - 
sqrt(6))^2/(5*x - 4)^2 + 199) - 50/729*log(-4*(sqrt(5)*sqrt(-5*x^2 + 8*x - 
 2) - sqrt(6))*(13*sqrt(6) - 6*sqrt(5))/(5*x - 4) - 26*sqrt(30) + 139*(sqr 
t(5)*sqrt(-5*x^2 + 8*x - 2) - sqrt(6))^2/(5*x - 4)^2 + 199)
 

Mupad [F(-1)]

Timed out. \[ \int \frac {x^2}{\left (1+2 x+\sqrt {-2+8 x-5 x^2}\right )^2} \, dx=\int \frac {x^2}{{\left (2\,x+\sqrt {-5\,x^2+8\,x-2}+1\right )}^2} \,d x \] Input:

int(x^2/(2*x + (8*x - 5*x^2 - 2)^(1/2) + 1)^2,x)
 

Output:

int(x^2/(2*x + (8*x - 5*x^2 - 2)^(1/2) + 1)^2, x)
 

Reduce [F]

\[ \int \frac {x^2}{\left (1+2 x+\sqrt {-2+8 x-5 x^2}\right )^2} \, dx=\text {too large to display} \] Input:

int(x^2/(1+2*x+(-5*x^2+8*x-2)^(1/2))^2,x)
 

Output:

( - 8828804488369232499186880557033714828296118355174650*sqrt(30)*asin((5* 
x - 4)/sqrt(6))*x**4 + 282521743627815439973980177825078874505475787365588 
80*sqrt(30)*asin((5*x - 4)/sqrt(6))*x**3 - 3302190873822645281424268313035 
7212893587555763996444*sqrt(30)*asin((5*x - 4)/sqrt(6))*x**2 + 16672270796 
801948186118830246961444693039188439598944*sqrt(30)*asin((5*x - 4)/sqrt(6) 
)*x - 6422137783391545417927049412597857749175398685023338*sqrt(30)*asin(( 
5*x - 4)/sqrt(6)) - 50001612112790173069463242181692249523147778847200000* 
asin((5*x - 4)/sqrt(6))*x**4 + 1600051587609285538222823749814151984740728 
92311040000*asin((5*x - 4)/sqrt(6))*x**3 - 1870183753789001337422788129798 
20789080652482463552000*asin((5*x - 4)/sqrt(6))*x**2 + 9442279739225166509 
5124660791501808482230669783552000*asin((5*x - 4)/sqrt(6))*x - 36371543033 
155518484602150979571695579060088020704000*asin((5*x - 4)/sqrt(6)) - 50230 
82427577640658214878110604507356708059200000000*sqrt( - 5*x**2 + 8*x - 2)* 
sqrt(5)*x**4 + 10574467790714450582797527188537906108630869077360000*sqrt( 
 - 5*x**2 + 8*x - 2)*sqrt(5)*x**3 + 10149621181905563417624564385032288228 
48446566336000*sqrt( - 5*x**2 + 8*x - 2)*sqrt(5)*x**2 - 255858000475527431 
38647098256304550501840359332950400*sqrt( - 5*x**2 + 8*x - 2)*sqrt(5)*x + 
14735309132025224813466775966821188280137059334376960*sqrt( - 5*x**2 + 8*x 
 - 2)*sqrt(5) - 5929350590217801701100698231982505402726664999585500*sqrt( 
 - 5*x**2 + 8*x - 2)*sqrt(6)*x**4 + 13047981220551499091247024490003412...