3.1363 \(\int \frac{(a+b x)^8}{(c+d x)^8} \, dx\)

Optimal. Leaf size=209 \[ -\frac{28 b^6 (b c-a d)^2}{d^9 (c+d x)}+\frac{28 b^5 (b c-a d)^3}{d^9 (c+d x)^2}-\frac{70 b^4 (b c-a d)^4}{3 d^9 (c+d x)^3}+\frac{14 b^3 (b c-a d)^5}{d^9 (c+d x)^4}-\frac{28 b^2 (b c-a d)^6}{5 d^9 (c+d x)^5}-\frac{8 b^7 (b c-a d) \log (c+d x)}{d^9}+\frac{4 b (b c-a d)^7}{3 d^9 (c+d x)^6}-\frac{(b c-a d)^8}{7 d^9 (c+d x)^7}+\frac{b^8 x}{d^8} \]

[Out]

(b^8*x)/d^8 - (b*c - a*d)^8/(7*d^9*(c + d*x)^7) + (4*b*(b*c - a*d)^7)/(3*d^9*(c + d*x)^6) - (28*b^2*(b*c - a*d
)^6)/(5*d^9*(c + d*x)^5) + (14*b^3*(b*c - a*d)^5)/(d^9*(c + d*x)^4) - (70*b^4*(b*c - a*d)^4)/(3*d^9*(c + d*x)^
3) + (28*b^5*(b*c - a*d)^3)/(d^9*(c + d*x)^2) - (28*b^6*(b*c - a*d)^2)/(d^9*(c + d*x)) - (8*b^7*(b*c - a*d)*Lo
g[c + d*x])/d^9

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Rubi [A]  time = 0.277555, antiderivative size = 209, normalized size of antiderivative = 1., number of steps used = 2, number of rules used = 1, integrand size = 15, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.067, Rules used = {43} \[ -\frac{28 b^6 (b c-a d)^2}{d^9 (c+d x)}+\frac{28 b^5 (b c-a d)^3}{d^9 (c+d x)^2}-\frac{70 b^4 (b c-a d)^4}{3 d^9 (c+d x)^3}+\frac{14 b^3 (b c-a d)^5}{d^9 (c+d x)^4}-\frac{28 b^2 (b c-a d)^6}{5 d^9 (c+d x)^5}-\frac{8 b^7 (b c-a d) \log (c+d x)}{d^9}+\frac{4 b (b c-a d)^7}{3 d^9 (c+d x)^6}-\frac{(b c-a d)^8}{7 d^9 (c+d x)^7}+\frac{b^8 x}{d^8} \]

Antiderivative was successfully verified.

[In]

Int[(a + b*x)^8/(c + d*x)^8,x]

[Out]

(b^8*x)/d^8 - (b*c - a*d)^8/(7*d^9*(c + d*x)^7) + (4*b*(b*c - a*d)^7)/(3*d^9*(c + d*x)^6) - (28*b^2*(b*c - a*d
)^6)/(5*d^9*(c + d*x)^5) + (14*b^3*(b*c - a*d)^5)/(d^9*(c + d*x)^4) - (70*b^4*(b*c - a*d)^4)/(3*d^9*(c + d*x)^
3) + (28*b^5*(b*c - a*d)^3)/(d^9*(c + d*x)^2) - (28*b^6*(b*c - a*d)^2)/(d^9*(c + d*x)) - (8*b^7*(b*c - a*d)*Lo
g[c + d*x])/d^9

Rule 43

Int[((a_.) + (b_.)*(x_))^(m_.)*((c_.) + (d_.)*(x_))^(n_.), x_Symbol] :> Int[ExpandIntegrand[(a + b*x)^m*(c + d
*x)^n, x], x] /; FreeQ[{a, b, c, d, n}, x] && NeQ[b*c - a*d, 0] && IGtQ[m, 0] && ( !IntegerQ[n] || (EqQ[c, 0]
&& LeQ[7*m + 4*n + 4, 0]) || LtQ[9*m + 5*(n + 1), 0] || GtQ[m + n + 2, 0])

Rubi steps

\begin{align*} \int \frac{(a+b x)^8}{(c+d x)^8} \, dx &=\int \left (\frac{b^8}{d^8}+\frac{(-b c+a d)^8}{d^8 (c+d x)^8}-\frac{8 b (b c-a d)^7}{d^8 (c+d x)^7}+\frac{28 b^2 (b c-a d)^6}{d^8 (c+d x)^6}-\frac{56 b^3 (b c-a d)^5}{d^8 (c+d x)^5}+\frac{70 b^4 (b c-a d)^4}{d^8 (c+d x)^4}-\frac{56 b^5 (b c-a d)^3}{d^8 (c+d x)^3}+\frac{28 b^6 (b c-a d)^2}{d^8 (c+d x)^2}-\frac{8 b^7 (b c-a d)}{d^8 (c+d x)}\right ) \, dx\\ &=\frac{b^8 x}{d^8}-\frac{(b c-a d)^8}{7 d^9 (c+d x)^7}+\frac{4 b (b c-a d)^7}{3 d^9 (c+d x)^6}-\frac{28 b^2 (b c-a d)^6}{5 d^9 (c+d x)^5}+\frac{14 b^3 (b c-a d)^5}{d^9 (c+d x)^4}-\frac{70 b^4 (b c-a d)^4}{3 d^9 (c+d x)^3}+\frac{28 b^5 (b c-a d)^3}{d^9 (c+d x)^2}-\frac{28 b^6 (b c-a d)^2}{d^9 (c+d x)}-\frac{8 b^7 (b c-a d) \log (c+d x)}{d^9}\\ \end{align*}

Mathematica [B]  time = 0.194985, size = 474, normalized size = 2.27 \[ -\frac{420 a^2 b^6 d^2 \left (21 c^4 d^2 x^2+35 c^3 d^3 x^3+35 c^2 d^4 x^4+7 c^5 d x+c^6+21 c d^5 x^5+7 d^6 x^6\right )+140 a^3 b^5 d^3 \left (21 c^3 d^2 x^2+35 c^2 d^3 x^3+7 c^4 d x+c^5+35 c d^4 x^4+21 d^5 x^5\right )+70 a^4 b^4 d^4 \left (21 c^2 d^2 x^2+7 c^3 d x+c^4+35 c d^3 x^3+35 d^4 x^4\right )+42 a^5 b^3 d^5 \left (7 c^2 d x+c^3+21 c d^2 x^2+35 d^3 x^3\right )+28 a^6 b^2 d^6 \left (c^2+7 c d x+21 d^2 x^2\right )+20 a^7 b d^7 (c+7 d x)+15 a^8 d^8-2 a b^7 c d \left (20139 c^4 d^2 x^2+30625 c^3 d^3 x^3+26950 c^2 d^4 x^4+7203 c^5 d x+1089 c^6+13230 c d^5 x^5+2940 d^6 x^6\right )+840 b^7 (c+d x)^7 (b c-a d) \log (c+d x)+b^8 \left (24843 c^6 d^2 x^2+35525 c^5 d^3 x^3+28175 c^4 d^4 x^4+11025 c^3 d^5 x^5+735 c^2 d^6 x^6+9261 c^7 d x+1443 c^8-735 c d^7 x^7-105 d^8 x^8\right )}{105 d^9 (c+d x)^7} \]

Antiderivative was successfully verified.

[In]

Integrate[(a + b*x)^8/(c + d*x)^8,x]

[Out]

-(15*a^8*d^8 + 20*a^7*b*d^7*(c + 7*d*x) + 28*a^6*b^2*d^6*(c^2 + 7*c*d*x + 21*d^2*x^2) + 42*a^5*b^3*d^5*(c^3 +
7*c^2*d*x + 21*c*d^2*x^2 + 35*d^3*x^3) + 70*a^4*b^4*d^4*(c^4 + 7*c^3*d*x + 21*c^2*d^2*x^2 + 35*c*d^3*x^3 + 35*
d^4*x^4) + 140*a^3*b^5*d^3*(c^5 + 7*c^4*d*x + 21*c^3*d^2*x^2 + 35*c^2*d^3*x^3 + 35*c*d^4*x^4 + 21*d^5*x^5) + 4
20*a^2*b^6*d^2*(c^6 + 7*c^5*d*x + 21*c^4*d^2*x^2 + 35*c^3*d^3*x^3 + 35*c^2*d^4*x^4 + 21*c*d^5*x^5 + 7*d^6*x^6)
- 2*a*b^7*c*d*(1089*c^6 + 7203*c^5*d*x + 20139*c^4*d^2*x^2 + 30625*c^3*d^3*x^3 + 26950*c^2*d^4*x^4 + 13230*c*
d^5*x^5 + 2940*d^6*x^6) + b^8*(1443*c^8 + 9261*c^7*d*x + 24843*c^6*d^2*x^2 + 35525*c^5*d^3*x^3 + 28175*c^4*d^4
*x^4 + 11025*c^3*d^5*x^5 + 735*c^2*d^6*x^6 - 735*c*d^7*x^7 - 105*d^8*x^8) + 840*b^7*(b*c - a*d)*(c + d*x)^7*Lo
g[c + d*x])/(105*d^9*(c + d*x)^7)

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Maple [B]  time = 0.013, size = 845, normalized size = 4. \begin{align*} \text{result too large to display} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

int((b*x+a)^8/(d*x+c)^8,x)

[Out]

-1/7/d/(d*x+c)^7*a^8+b^8*x/d^8-28*b^5/d^6/(d*x+c)^2*a^3+28*b^8/d^9/(d*x+c)^2*c^3-14*b^3/d^4/(d*x+c)^4*a^5+14*b
^8/d^9/(d*x+c)^4*c^5-28/5*b^2/d^3/(d*x+c)^5*a^6-28/5*b^8/d^9/(d*x+c)^5*c^6-4/3*b/d^2/(d*x+c)^6*a^7+4/3*b^8/d^9
/(d*x+c)^6*c^7-28*b^6/d^7/(d*x+c)*a^2-28*b^8/d^9/(d*x+c)*c^2+8*b^7/d^8*ln(d*x+c)*a-8*b^8/d^9*ln(d*x+c)*c-70/3*
b^4/d^5/(d*x+c)^3*a^4-70/3*b^8/d^9/(d*x+c)^3*c^4-1/7/d^9/(d*x+c)^7*b^8*c^8+280/3*b^5/d^6/(d*x+c)^3*a^3*c-140*b
^6/d^7/(d*x+c)^3*a^2*c^2-140*b^5/d^6/(d*x+c)^4*a^3*c^2+28/3*b^2/d^3/(d*x+c)^6*a^6*c-28*b^3/d^4/(d*x+c)^6*a^5*c
^2+140/3*b^4/d^5/(d*x+c)^6*a^4*c^3-140/3*b^5/d^6/(d*x+c)^6*a^3*c^4+28*b^6/d^7/(d*x+c)^6*a^2*c^5-28/3*b^7/d^8/(
d*x+c)^6*a*c^6+56*b^7/d^8/(d*x+c)*a*c+140*b^6/d^7/(d*x+c)^4*a^2*c^3-70*b^7/d^8/(d*x+c)^4*a*c^4+168/5*b^3/d^4/(
d*x+c)^5*a^5*c-84*b^4/d^5/(d*x+c)^5*a^4*c^2+112*b^5/d^6/(d*x+c)^5*a^3*c^3-84*b^6/d^7/(d*x+c)^5*a^2*c^4+168/5*b
^7/d^8/(d*x+c)^5*a*c^5+280/3*b^7/d^8/(d*x+c)^3*a*c^3+8/7/d^2/(d*x+c)^7*a^7*b*c-4/d^3/(d*x+c)^7*a^6*b^2*c^2+8/d
^4/(d*x+c)^7*a^5*b^3*c^3-10/d^5/(d*x+c)^7*a^4*b^4*c^4+8/d^6/(d*x+c)^7*a^3*b^5*c^5-4/d^7/(d*x+c)^7*a^2*b^6*c^6+
8/7/d^8/(d*x+c)^7*a*b^7*c^7+84*b^6/d^7/(d*x+c)^2*a^2*c-84*b^7/d^8/(d*x+c)^2*a*c^2+70*b^4/d^5/(d*x+c)^4*a^4*c

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Maxima [B]  time = 1.14791, size = 876, normalized size = 4.19 \begin{align*} \frac{b^{8} x}{d^{8}} - \frac{1443 \, b^{8} c^{8} - 2178 \, a b^{7} c^{7} d + 420 \, a^{2} b^{6} c^{6} d^{2} + 140 \, a^{3} b^{5} c^{5} d^{3} + 70 \, a^{4} b^{4} c^{4} d^{4} + 42 \, a^{5} b^{3} c^{3} d^{5} + 28 \, a^{6} b^{2} c^{2} d^{6} + 20 \, a^{7} b c d^{7} + 15 \, a^{8} d^{8} + 2940 \,{\left (b^{8} c^{2} d^{6} - 2 \, a b^{7} c d^{7} + a^{2} b^{6} d^{8}\right )} x^{6} + 2940 \,{\left (5 \, b^{8} c^{3} d^{5} - 9 \, a b^{7} c^{2} d^{6} + 3 \, a^{2} b^{6} c d^{7} + a^{3} b^{5} d^{8}\right )} x^{5} + 2450 \,{\left (13 \, b^{8} c^{4} d^{4} - 22 \, a b^{7} c^{3} d^{5} + 6 \, a^{2} b^{6} c^{2} d^{6} + 2 \, a^{3} b^{5} c d^{7} + a^{4} b^{4} d^{8}\right )} x^{4} + 490 \,{\left (77 \, b^{8} c^{5} d^{3} - 125 \, a b^{7} c^{4} d^{4} + 30 \, a^{2} b^{6} c^{3} d^{5} + 10 \, a^{3} b^{5} c^{2} d^{6} + 5 \, a^{4} b^{4} c d^{7} + 3 \, a^{5} b^{3} d^{8}\right )} x^{3} + 294 \,{\left (87 \, b^{8} c^{6} d^{2} - 137 \, a b^{7} c^{5} d^{3} + 30 \, a^{2} b^{6} c^{4} d^{4} + 10 \, a^{3} b^{5} c^{3} d^{5} + 5 \, a^{4} b^{4} c^{2} d^{6} + 3 \, a^{5} b^{3} c d^{7} + 2 \, a^{6} b^{2} d^{8}\right )} x^{2} + 14 \,{\left (669 \, b^{8} c^{7} d - 1029 \, a b^{7} c^{6} d^{2} + 210 \, a^{2} b^{6} c^{5} d^{3} + 70 \, a^{3} b^{5} c^{4} d^{4} + 35 \, a^{4} b^{4} c^{3} d^{5} + 21 \, a^{5} b^{3} c^{2} d^{6} + 14 \, a^{6} b^{2} c d^{7} + 10 \, a^{7} b d^{8}\right )} x}{105 \,{\left (d^{16} x^{7} + 7 \, c d^{15} x^{6} + 21 \, c^{2} d^{14} x^{5} + 35 \, c^{3} d^{13} x^{4} + 35 \, c^{4} d^{12} x^{3} + 21 \, c^{5} d^{11} x^{2} + 7 \, c^{6} d^{10} x + c^{7} d^{9}\right )}} - \frac{8 \,{\left (b^{8} c - a b^{7} d\right )} \log \left (d x + c\right )}{d^{9}} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((b*x+a)^8/(d*x+c)^8,x, algorithm="maxima")

[Out]

b^8*x/d^8 - 1/105*(1443*b^8*c^8 - 2178*a*b^7*c^7*d + 420*a^2*b^6*c^6*d^2 + 140*a^3*b^5*c^5*d^3 + 70*a^4*b^4*c^
4*d^4 + 42*a^5*b^3*c^3*d^5 + 28*a^6*b^2*c^2*d^6 + 20*a^7*b*c*d^7 + 15*a^8*d^8 + 2940*(b^8*c^2*d^6 - 2*a*b^7*c*
d^7 + a^2*b^6*d^8)*x^6 + 2940*(5*b^8*c^3*d^5 - 9*a*b^7*c^2*d^6 + 3*a^2*b^6*c*d^7 + a^3*b^5*d^8)*x^5 + 2450*(13
*b^8*c^4*d^4 - 22*a*b^7*c^3*d^5 + 6*a^2*b^6*c^2*d^6 + 2*a^3*b^5*c*d^7 + a^4*b^4*d^8)*x^4 + 490*(77*b^8*c^5*d^3
- 125*a*b^7*c^4*d^4 + 30*a^2*b^6*c^3*d^5 + 10*a^3*b^5*c^2*d^6 + 5*a^4*b^4*c*d^7 + 3*a^5*b^3*d^8)*x^3 + 294*(8
7*b^8*c^6*d^2 - 137*a*b^7*c^5*d^3 + 30*a^2*b^6*c^4*d^4 + 10*a^3*b^5*c^3*d^5 + 5*a^4*b^4*c^2*d^6 + 3*a^5*b^3*c*
d^7 + 2*a^6*b^2*d^8)*x^2 + 14*(669*b^8*c^7*d - 1029*a*b^7*c^6*d^2 + 210*a^2*b^6*c^5*d^3 + 70*a^3*b^5*c^4*d^4 +
35*a^4*b^4*c^3*d^5 + 21*a^5*b^3*c^2*d^6 + 14*a^6*b^2*c*d^7 + 10*a^7*b*d^8)*x)/(d^16*x^7 + 7*c*d^15*x^6 + 21*c
^2*d^14*x^5 + 35*c^3*d^13*x^4 + 35*c^4*d^12*x^3 + 21*c^5*d^11*x^2 + 7*c^6*d^10*x + c^7*d^9) - 8*(b^8*c - a*b^7
*d)*log(d*x + c)/d^9

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Fricas [B]  time = 2.0194, size = 1770, normalized size = 8.47 \begin{align*} \text{result too large to display} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((b*x+a)^8/(d*x+c)^8,x, algorithm="fricas")

[Out]

1/105*(105*b^8*d^8*x^8 + 735*b^8*c*d^7*x^7 - 1443*b^8*c^8 + 2178*a*b^7*c^7*d - 420*a^2*b^6*c^6*d^2 - 140*a^3*b
^5*c^5*d^3 - 70*a^4*b^4*c^4*d^4 - 42*a^5*b^3*c^3*d^5 - 28*a^6*b^2*c^2*d^6 - 20*a^7*b*c*d^7 - 15*a^8*d^8 - 735*
(b^8*c^2*d^6 - 8*a*b^7*c*d^7 + 4*a^2*b^6*d^8)*x^6 - 735*(15*b^8*c^3*d^5 - 36*a*b^7*c^2*d^6 + 12*a^2*b^6*c*d^7
+ 4*a^3*b^5*d^8)*x^5 - 1225*(23*b^8*c^4*d^4 - 44*a*b^7*c^3*d^5 + 12*a^2*b^6*c^2*d^6 + 4*a^3*b^5*c*d^7 + 2*a^4*
b^4*d^8)*x^4 - 245*(145*b^8*c^5*d^3 - 250*a*b^7*c^4*d^4 + 60*a^2*b^6*c^3*d^5 + 20*a^3*b^5*c^2*d^6 + 10*a^4*b^4
*c*d^7 + 6*a^5*b^3*d^8)*x^3 - 147*(169*b^8*c^6*d^2 - 274*a*b^7*c^5*d^3 + 60*a^2*b^6*c^4*d^4 + 20*a^3*b^5*c^3*d
^5 + 10*a^4*b^4*c^2*d^6 + 6*a^5*b^3*c*d^7 + 4*a^6*b^2*d^8)*x^2 - 7*(1323*b^8*c^7*d - 2058*a*b^7*c^6*d^2 + 420*
a^2*b^6*c^5*d^3 + 140*a^3*b^5*c^4*d^4 + 70*a^4*b^4*c^3*d^5 + 42*a^5*b^3*c^2*d^6 + 28*a^6*b^2*c*d^7 + 20*a^7*b*
d^8)*x - 840*(b^8*c^8 - a*b^7*c^7*d + (b^8*c*d^7 - a*b^7*d^8)*x^7 + 7*(b^8*c^2*d^6 - a*b^7*c*d^7)*x^6 + 21*(b^
8*c^3*d^5 - a*b^7*c^2*d^6)*x^5 + 35*(b^8*c^4*d^4 - a*b^7*c^3*d^5)*x^4 + 35*(b^8*c^5*d^3 - a*b^7*c^4*d^4)*x^3 +
21*(b^8*c^6*d^2 - a*b^7*c^5*d^3)*x^2 + 7*(b^8*c^7*d - a*b^7*c^6*d^2)*x)*log(d*x + c))/(d^16*x^7 + 7*c*d^15*x^
6 + 21*c^2*d^14*x^5 + 35*c^3*d^13*x^4 + 35*c^4*d^12*x^3 + 21*c^5*d^11*x^2 + 7*c^6*d^10*x + c^7*d^9)

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Sympy [F(-1)]  time = 0., size = 0, normalized size = 0. \begin{align*} \text{Timed out} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((b*x+a)**8/(d*x+c)**8,x)

[Out]

Timed out

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Giac [B]  time = 1.06049, size = 784, normalized size = 3.75 \begin{align*} \frac{b^{8} x}{d^{8}} - \frac{8 \,{\left (b^{8} c - a b^{7} d\right )} \log \left ({\left | d x + c \right |}\right )}{d^{9}} - \frac{1443 \, b^{8} c^{8} - 2178 \, a b^{7} c^{7} d + 420 \, a^{2} b^{6} c^{6} d^{2} + 140 \, a^{3} b^{5} c^{5} d^{3} + 70 \, a^{4} b^{4} c^{4} d^{4} + 42 \, a^{5} b^{3} c^{3} d^{5} + 28 \, a^{6} b^{2} c^{2} d^{6} + 20 \, a^{7} b c d^{7} + 15 \, a^{8} d^{8} + 2940 \,{\left (b^{8} c^{2} d^{6} - 2 \, a b^{7} c d^{7} + a^{2} b^{6} d^{8}\right )} x^{6} + 2940 \,{\left (5 \, b^{8} c^{3} d^{5} - 9 \, a b^{7} c^{2} d^{6} + 3 \, a^{2} b^{6} c d^{7} + a^{3} b^{5} d^{8}\right )} x^{5} + 2450 \,{\left (13 \, b^{8} c^{4} d^{4} - 22 \, a b^{7} c^{3} d^{5} + 6 \, a^{2} b^{6} c^{2} d^{6} + 2 \, a^{3} b^{5} c d^{7} + a^{4} b^{4} d^{8}\right )} x^{4} + 490 \,{\left (77 \, b^{8} c^{5} d^{3} - 125 \, a b^{7} c^{4} d^{4} + 30 \, a^{2} b^{6} c^{3} d^{5} + 10 \, a^{3} b^{5} c^{2} d^{6} + 5 \, a^{4} b^{4} c d^{7} + 3 \, a^{5} b^{3} d^{8}\right )} x^{3} + 294 \,{\left (87 \, b^{8} c^{6} d^{2} - 137 \, a b^{7} c^{5} d^{3} + 30 \, a^{2} b^{6} c^{4} d^{4} + 10 \, a^{3} b^{5} c^{3} d^{5} + 5 \, a^{4} b^{4} c^{2} d^{6} + 3 \, a^{5} b^{3} c d^{7} + 2 \, a^{6} b^{2} d^{8}\right )} x^{2} + 14 \,{\left (669 \, b^{8} c^{7} d - 1029 \, a b^{7} c^{6} d^{2} + 210 \, a^{2} b^{6} c^{5} d^{3} + 70 \, a^{3} b^{5} c^{4} d^{4} + 35 \, a^{4} b^{4} c^{3} d^{5} + 21 \, a^{5} b^{3} c^{2} d^{6} + 14 \, a^{6} b^{2} c d^{7} + 10 \, a^{7} b d^{8}\right )} x}{105 \,{\left (d x + c\right )}^{7} d^{9}} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((b*x+a)^8/(d*x+c)^8,x, algorithm="giac")

[Out]

b^8*x/d^8 - 8*(b^8*c - a*b^7*d)*log(abs(d*x + c))/d^9 - 1/105*(1443*b^8*c^8 - 2178*a*b^7*c^7*d + 420*a^2*b^6*c
^6*d^2 + 140*a^3*b^5*c^5*d^3 + 70*a^4*b^4*c^4*d^4 + 42*a^5*b^3*c^3*d^5 + 28*a^6*b^2*c^2*d^6 + 20*a^7*b*c*d^7 +
15*a^8*d^8 + 2940*(b^8*c^2*d^6 - 2*a*b^7*c*d^7 + a^2*b^6*d^8)*x^6 + 2940*(5*b^8*c^3*d^5 - 9*a*b^7*c^2*d^6 + 3
*a^2*b^6*c*d^7 + a^3*b^5*d^8)*x^5 + 2450*(13*b^8*c^4*d^4 - 22*a*b^7*c^3*d^5 + 6*a^2*b^6*c^2*d^6 + 2*a^3*b^5*c*
d^7 + a^4*b^4*d^8)*x^4 + 490*(77*b^8*c^5*d^3 - 125*a*b^7*c^4*d^4 + 30*a^2*b^6*c^3*d^5 + 10*a^3*b^5*c^2*d^6 + 5
*a^4*b^4*c*d^7 + 3*a^5*b^3*d^8)*x^3 + 294*(87*b^8*c^6*d^2 - 137*a*b^7*c^5*d^3 + 30*a^2*b^6*c^4*d^4 + 10*a^3*b^
5*c^3*d^5 + 5*a^4*b^4*c^2*d^6 + 3*a^5*b^3*c*d^7 + 2*a^6*b^2*d^8)*x^2 + 14*(669*b^8*c^7*d - 1029*a*b^7*c^6*d^2
+ 210*a^2*b^6*c^5*d^3 + 70*a^3*b^5*c^4*d^4 + 35*a^4*b^4*c^3*d^5 + 21*a^5*b^3*c^2*d^6 + 14*a^6*b^2*c*d^7 + 10*a
^7*b*d^8)*x)/((d*x + c)^7*d^9)