3.11.48 \(\int \frac {(a+b x)^3 (A+B x)}{(d+e x)^8} \, dx\) [1048]

Optimal. Leaf size=163 \[ -\frac {(b d-a e)^3 (B d-A e)}{7 e^5 (d+e x)^7}+\frac {(b d-a e)^2 (4 b B d-3 A b e-a B e)}{6 e^5 (d+e x)^6}-\frac {3 b (b d-a e) (2 b B d-A b e-a B e)}{5 e^5 (d+e x)^5}+\frac {b^2 (4 b B d-A b e-3 a B e)}{4 e^5 (d+e x)^4}-\frac {b^3 B}{3 e^5 (d+e x)^3} \]

[Out]

-1/7*(-a*e+b*d)^3*(-A*e+B*d)/e^5/(e*x+d)^7+1/6*(-a*e+b*d)^2*(-3*A*b*e-B*a*e+4*B*b*d)/e^5/(e*x+d)^6-3/5*b*(-a*e
+b*d)*(-A*b*e-B*a*e+2*B*b*d)/e^5/(e*x+d)^5+1/4*b^2*(-A*b*e-3*B*a*e+4*B*b*d)/e^5/(e*x+d)^4-1/3*b^3*B/e^5/(e*x+d
)^3

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Rubi [A]
time = 0.09, antiderivative size = 163, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 1, integrand size = 20, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.050, Rules used = {78} \begin {gather*} \frac {b^2 (-3 a B e-A b e+4 b B d)}{4 e^5 (d+e x)^4}-\frac {3 b (b d-a e) (-a B e-A b e+2 b B d)}{5 e^5 (d+e x)^5}+\frac {(b d-a e)^2 (-a B e-3 A b e+4 b B d)}{6 e^5 (d+e x)^6}-\frac {(b d-a e)^3 (B d-A e)}{7 e^5 (d+e x)^7}-\frac {b^3 B}{3 e^5 (d+e x)^3} \end {gather*}

Antiderivative was successfully verified.

[In]

Int[((a + b*x)^3*(A + B*x))/(d + e*x)^8,x]

[Out]

-1/7*((b*d - a*e)^3*(B*d - A*e))/(e^5*(d + e*x)^7) + ((b*d - a*e)^2*(4*b*B*d - 3*A*b*e - a*B*e))/(6*e^5*(d + e
*x)^6) - (3*b*(b*d - a*e)*(2*b*B*d - A*b*e - a*B*e))/(5*e^5*(d + e*x)^5) + (b^2*(4*b*B*d - A*b*e - 3*a*B*e))/(
4*e^5*(d + e*x)^4) - (b^3*B)/(3*e^5*(d + e*x)^3)

Rule 78

Int[((a_.) + (b_.)*(x_))*((c_) + (d_.)*(x_))^(n_.)*((e_.) + (f_.)*(x_))^(p_.), x_Symbol] :> Int[ExpandIntegran
d[(a + b*x)*(c + d*x)^n*(e + f*x)^p, x], x] /; FreeQ[{a, b, c, d, e, f, n}, x] && NeQ[b*c - a*d, 0] && ((ILtQ[
n, 0] && ILtQ[p, 0]) || EqQ[p, 1] || (IGtQ[p, 0] && ( !IntegerQ[n] || LeQ[9*p + 5*(n + 2), 0] || GeQ[n + p + 1
, 0] || (GeQ[n + p + 2, 0] && RationalQ[a, b, c, d, e, f]))))

Rubi steps

\begin {align*} \int \frac {(a+b x)^3 (A+B x)}{(d+e x)^8} \, dx &=\int \left (\frac {(-b d+a e)^3 (-B d+A e)}{e^4 (d+e x)^8}+\frac {(-b d+a e)^2 (-4 b B d+3 A b e+a B e)}{e^4 (d+e x)^7}-\frac {3 b (b d-a e) (-2 b B d+A b e+a B e)}{e^4 (d+e x)^6}+\frac {b^2 (-4 b B d+A b e+3 a B e)}{e^4 (d+e x)^5}+\frac {b^3 B}{e^4 (d+e x)^4}\right ) \, dx\\ &=-\frac {(b d-a e)^3 (B d-A e)}{7 e^5 (d+e x)^7}+\frac {(b d-a e)^2 (4 b B d-3 A b e-a B e)}{6 e^5 (d+e x)^6}-\frac {3 b (b d-a e) (2 b B d-A b e-a B e)}{5 e^5 (d+e x)^5}+\frac {b^2 (4 b B d-A b e-3 a B e)}{4 e^5 (d+e x)^4}-\frac {b^3 B}{3 e^5 (d+e x)^3}\\ \end {align*}

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Mathematica [A]
time = 0.07, size = 215, normalized size = 1.32 \begin {gather*} -\frac {10 a^3 e^3 (6 A e+B (d+7 e x))+6 a^2 b e^2 \left (5 A e (d+7 e x)+2 B \left (d^2+7 d e x+21 e^2 x^2\right )\right )+3 a b^2 e \left (4 A e \left (d^2+7 d e x+21 e^2 x^2\right )+3 B \left (d^3+7 d^2 e x+21 d e^2 x^2+35 e^3 x^3\right )\right )+b^3 \left (3 A e \left (d^3+7 d^2 e x+21 d e^2 x^2+35 e^3 x^3\right )+4 B \left (d^4+7 d^3 e x+21 d^2 e^2 x^2+35 d e^3 x^3+35 e^4 x^4\right )\right )}{420 e^5 (d+e x)^7} \end {gather*}

Antiderivative was successfully verified.

[In]

Integrate[((a + b*x)^3*(A + B*x))/(d + e*x)^8,x]

[Out]

-1/420*(10*a^3*e^3*(6*A*e + B*(d + 7*e*x)) + 6*a^2*b*e^2*(5*A*e*(d + 7*e*x) + 2*B*(d^2 + 7*d*e*x + 21*e^2*x^2)
) + 3*a*b^2*e*(4*A*e*(d^2 + 7*d*e*x + 21*e^2*x^2) + 3*B*(d^3 + 7*d^2*e*x + 21*d*e^2*x^2 + 35*e^3*x^3)) + b^3*(
3*A*e*(d^3 + 7*d^2*e*x + 21*d*e^2*x^2 + 35*e^3*x^3) + 4*B*(d^4 + 7*d^3*e*x + 21*d^2*e^2*x^2 + 35*d*e^3*x^3 + 3
5*e^4*x^4)))/(e^5*(d + e*x)^7)

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Maple [A]
time = 0.07, size = 281, normalized size = 1.72

method	result	size
risch	\(\frac {-\frac {b^{3} B \,x^{4}}{3 e}-\frac {b^{2} \left (3 A b e +9 B a e +4 B b d \right ) x^{3}}{12 e^{2}}-\frac {b \left (12 A a b \,e^{2}+3 A \,b^{2} d e +12 B \,a^{2} e^{2}+9 B a b d e +4 b^{2} B \,d^{2}\right ) x^{2}}{20 e^{3}}-\frac {\left (30 A \,a^{2} b \,e^{3}+12 A a \,b^{2} d \,e^{2}+3 A \,b^{3} d^{2} e +10 B \,a^{3} e^{3}+12 B \,a^{2} b d \,e^{2}+9 B a \,b^{2} d^{2} e +4 b^{3} B \,d^{3}\right ) x}{60 e^{4}}-\frac {60 a^{3} A \,e^{4}+30 A \,a^{2} b d \,e^{3}+12 A a \,b^{2} d^{2} e^{2}+3 A \,b^{3} d^{3} e +10 B \,a^{3} d \,e^{3}+12 B \,a^{2} b \,d^{2} e^{2}+9 B a \,b^{2} d^{3} e +4 b^{3} B \,d^{4}}{420 e^{5}}}{\left (e x +d \right )^{7}}\)	\(270\)
default	\(-\frac {b^{2} \left (A b e +3 B a e -4 B b d \right )}{4 e^{5} \left (e x +d \right )^{4}}-\frac {a^{3} A \,e^{4}-3 A \,a^{2} b d \,e^{3}+3 A a \,b^{2} d^{2} e^{2}-A \,b^{3} d^{3} e -B \,a^{3} d \,e^{3}+3 B \,a^{2} b \,d^{2} e^{2}-3 B a \,b^{2} d^{3} e +b^{3} B \,d^{4}}{7 e^{5} \left (e x +d \right )^{7}}-\frac {3 A \,a^{2} b \,e^{3}-6 A a \,b^{2} d \,e^{2}+3 A \,b^{3} d^{2} e +B \,a^{3} e^{3}-6 B \,a^{2} b d \,e^{2}+9 B a \,b^{2} d^{2} e -4 b^{3} B \,d^{3}}{6 e^{5} \left (e x +d \right )^{6}}-\frac {3 b \left (A a b \,e^{2}-A \,b^{2} d e +B \,a^{2} e^{2}-3 B a b d e +2 b^{2} B \,d^{2}\right )}{5 e^{5} \left (e x +d \right )^{5}}-\frac {b^{3} B}{3 e^{5} \left (e x +d \right )^{3}}\)	\(281\)
gosper	\(-\frac {140 b^{3} B \,x^{4} e^{4}+105 A \,b^{3} e^{4} x^{3}+315 B a \,b^{2} e^{4} x^{3}+140 B \,b^{3} d \,e^{3} x^{3}+252 A a \,b^{2} e^{4} x^{2}+63 A \,b^{3} d \,e^{3} x^{2}+252 B \,a^{2} b \,e^{4} x^{2}+189 B a \,b^{2} d \,e^{3} x^{2}+84 B \,b^{3} d^{2} e^{2} x^{2}+210 A \,a^{2} b \,e^{4} x +84 A a \,b^{2} d \,e^{3} x +21 A \,b^{3} d^{2} e^{2} x +70 B \,a^{3} e^{4} x +84 B \,a^{2} b d \,e^{3} x +63 B a \,b^{2} d^{2} e^{2} x +28 B \,b^{3} d^{3} e x +60 a^{3} A \,e^{4}+30 A \,a^{2} b d \,e^{3}+12 A a \,b^{2} d^{2} e^{2}+3 A \,b^{3} d^{3} e +10 B \,a^{3} d \,e^{3}+12 B \,a^{2} b \,d^{2} e^{2}+9 B a \,b^{2} d^{3} e +4 b^{3} B \,d^{4}}{420 e^{5} \left (e x +d \right )^{7}}\)	\(301\)
norman	\(\frac {-\frac {b^{3} B \,x^{4}}{3 e}-\frac {\left (3 A \,b^{3} e^{3}+9 B a \,b^{2} e^{3}+4 b^{3} B d \,e^{2}\right ) x^{3}}{12 e^{4}}-\frac {\left (12 A a \,b^{2} e^{4}+3 A \,b^{3} d \,e^{3}+12 B \,a^{2} b \,e^{4}+9 B a \,b^{2} d \,e^{3}+4 b^{3} B \,d^{2} e^{2}\right ) x^{2}}{20 e^{5}}-\frac {\left (30 A \,a^{2} b \,e^{5}+12 A a \,b^{2} d \,e^{4}+3 A \,b^{3} d^{2} e^{3}+10 B \,a^{3} e^{5}+12 B \,a^{2} b d \,e^{4}+9 B a \,b^{2} d^{2} e^{3}+4 b^{3} B \,d^{3} e^{2}\right ) x}{60 e^{6}}-\frac {60 a^{3} A \,e^{6}+30 A \,a^{2} b d \,e^{5}+12 A a \,b^{2} d^{2} e^{4}+3 A \,b^{3} d^{3} e^{3}+10 B \,a^{3} d \,e^{5}+12 B \,a^{2} b \,d^{2} e^{4}+9 B a \,b^{2} d^{3} e^{3}+4 B \,b^{3} d^{4} e^{2}}{420 e^{7}}}{\left (e x +d \right )^{7}}\)	\(306\)

Verification of antiderivative is not currently implemented for this CAS.

[In]

int((b*x+a)^3*(B*x+A)/(e*x+d)^8,x,method=_RETURNVERBOSE)

[Out]

-1/4*b^2/e^5*(A*b*e+3*B*a*e-4*B*b*d)/(e*x+d)^4-1/7*(A*a^3*e^4-3*A*a^2*b*d*e^3+3*A*a*b^2*d^2*e^2-A*b^3*d^3*e-B*
a^3*d*e^3+3*B*a^2*b*d^2*e^2-3*B*a*b^2*d^3*e+B*b^3*d^4)/e^5/(e*x+d)^7-1/6/e^5*(3*A*a^2*b*e^3-6*A*a*b^2*d*e^2+3*
A*b^3*d^2*e+B*a^3*e^3-6*B*a^2*b*d*e^2+9*B*a*b^2*d^2*e-4*B*b^3*d^3)/(e*x+d)^6-3/5*b/e^5*(A*a*b*e^2-A*b^2*d*e+B*
a^2*e^2-3*B*a*b*d*e+2*B*b^2*d^2)/(e*x+d)^5-1/3*b^3*B/e^5/(e*x+d)^3

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Maxima [B] Leaf count of result is larger than twice the leaf count of optimal. 327 vs. \(2 (163) = 326\).
time = 0.35, size = 327, normalized size = 2.01 \begin {gather*} -\frac {140 \, B b^{3} x^{4} e^{4} + 4 \, B b^{3} d^{4} + 60 \, A a^{3} e^{4} + 3 \, {\left (3 \, B a b^{2} e + A b^{3} e\right )} d^{3} + 35 \, {\left (4 \, B b^{3} d e^{3} + 9 \, B a b^{2} e^{4} + 3 \, A b^{3} e^{4}\right )} x^{3} + 12 \, {\left (B a^{2} b e^{2} + A a b^{2} e^{2}\right )} d^{2} + 21 \, {\left (4 \, B b^{3} d^{2} e^{2} + 12 \, B a^{2} b e^{4} + 12 \, A a b^{2} e^{4} + 3 \, {\left (3 \, B a b^{2} e^{3} + A b^{3} e^{3}\right )} d\right )} x^{2} + 10 \, {\left (B a^{3} e^{3} + 3 \, A a^{2} b e^{3}\right )} d + 7 \, {\left (4 \, B b^{3} d^{3} e + 10 \, B a^{3} e^{4} + 30 \, A a^{2} b e^{4} + 3 \, {\left (3 \, B a b^{2} e^{2} + A b^{3} e^{2}\right )} d^{2} + 12 \, {\left (B a^{2} b e^{3} + A a b^{2} e^{3}\right )} d\right )} x}{420 \, {\left (x^{7} e^{12} + 7 \, d x^{6} e^{11} + 21 \, d^{2} x^{5} e^{10} + 35 \, d^{3} x^{4} e^{9} + 35 \, d^{4} x^{3} e^{8} + 21 \, d^{5} x^{2} e^{7} + 7 \, d^{6} x e^{6} + d^{7} e^{5}\right )}} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((b*x+a)^3*(B*x+A)/(e*x+d)^8,x, algorithm="maxima")

[Out]

-1/420*(140*B*b^3*x^4*e^4 + 4*B*b^3*d^4 + 60*A*a^3*e^4 + 3*(3*B*a*b^2*e + A*b^3*e)*d^3 + 35*(4*B*b^3*d*e^3 + 9
*B*a*b^2*e^4 + 3*A*b^3*e^4)*x^3 + 12*(B*a^2*b*e^2 + A*a*b^2*e^2)*d^2 + 21*(4*B*b^3*d^2*e^2 + 12*B*a^2*b*e^4 +
12*A*a*b^2*e^4 + 3*(3*B*a*b^2*e^3 + A*b^3*e^3)*d)*x^2 + 10*(B*a^3*e^3 + 3*A*a^2*b*e^3)*d + 7*(4*B*b^3*d^3*e +
10*B*a^3*e^4 + 30*A*a^2*b*e^4 + 3*(3*B*a*b^2*e^2 + A*b^3*e^2)*d^2 + 12*(B*a^2*b*e^3 + A*a*b^2*e^3)*d)*x)/(x^7*
e^12 + 7*d*x^6*e^11 + 21*d^2*x^5*e^10 + 35*d^3*x^4*e^9 + 35*d^4*x^3*e^8 + 21*d^5*x^2*e^7 + 7*d^6*x*e^6 + d^7*e
^5)

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Fricas [A]
time = 0.63, size = 306, normalized size = 1.88 \begin {gather*} -\frac {4 \, B b^{3} d^{4} + {\left (140 \, B b^{3} x^{4} + 60 \, A a^{3} + 105 \, {\left (3 \, B a b^{2} + A b^{3}\right )} x^{3} + 252 \, {\left (B a^{2} b + A a b^{2}\right )} x^{2} + 70 \, {\left (B a^{3} + 3 \, A a^{2} b\right )} x\right )} e^{4} + {\left (140 \, B b^{3} d x^{3} + 63 \, {\left (3 \, B a b^{2} + A b^{3}\right )} d x^{2} + 84 \, {\left (B a^{2} b + A a b^{2}\right )} d x + 10 \, {\left (B a^{3} + 3 \, A a^{2} b\right )} d\right )} e^{3} + 3 \, {\left (28 \, B b^{3} d^{2} x^{2} + 7 \, {\left (3 \, B a b^{2} + A b^{3}\right )} d^{2} x + 4 \, {\left (B a^{2} b + A a b^{2}\right )} d^{2}\right )} e^{2} + {\left (28 \, B b^{3} d^{3} x + 3 \, {\left (3 \, B a b^{2} + A b^{3}\right )} d^{3}\right )} e}{420 \, {\left (x^{7} e^{12} + 7 \, d x^{6} e^{11} + 21 \, d^{2} x^{5} e^{10} + 35 \, d^{3} x^{4} e^{9} + 35 \, d^{4} x^{3} e^{8} + 21 \, d^{5} x^{2} e^{7} + 7 \, d^{6} x e^{6} + d^{7} e^{5}\right )}} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((b*x+a)^3*(B*x+A)/(e*x+d)^8,x, algorithm="fricas")

[Out]

-1/420*(4*B*b^3*d^4 + (140*B*b^3*x^4 + 60*A*a^3 + 105*(3*B*a*b^2 + A*b^3)*x^3 + 252*(B*a^2*b + A*a*b^2)*x^2 +
70*(B*a^3 + 3*A*a^2*b)*x)*e^4 + (140*B*b^3*d*x^3 + 63*(3*B*a*b^2 + A*b^3)*d*x^2 + 84*(B*a^2*b + A*a*b^2)*d*x +
10*(B*a^3 + 3*A*a^2*b)*d)*e^3 + 3*(28*B*b^3*d^2*x^2 + 7*(3*B*a*b^2 + A*b^3)*d^2*x + 4*(B*a^2*b + A*a*b^2)*d^2
)*e^2 + (28*B*b^3*d^3*x + 3*(3*B*a*b^2 + A*b^3)*d^3)*e)/(x^7*e^12 + 7*d*x^6*e^11 + 21*d^2*x^5*e^10 + 35*d^3*x^
4*e^9 + 35*d^4*x^3*e^8 + 21*d^5*x^2*e^7 + 7*d^6*x*e^6 + d^7*e^5)

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Sympy [F(-1)] Timed out
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Timed out} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((b*x+a)**3*(B*x+A)/(e*x+d)**8,x)

[Out]

Timed out

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Giac [A]
time = 1.40, size = 283, normalized size = 1.74 \begin {gather*} -\frac {{\left (140 \, B b^{3} x^{4} e^{4} + 140 \, B b^{3} d x^{3} e^{3} + 84 \, B b^{3} d^{2} x^{2} e^{2} + 28 \, B b^{3} d^{3} x e + 4 \, B b^{3} d^{4} + 315 \, B a b^{2} x^{3} e^{4} + 105 \, A b^{3} x^{3} e^{4} + 189 \, B a b^{2} d x^{2} e^{3} + 63 \, A b^{3} d x^{2} e^{3} + 63 \, B a b^{2} d^{2} x e^{2} + 21 \, A b^{3} d^{2} x e^{2} + 9 \, B a b^{2} d^{3} e + 3 \, A b^{3} d^{3} e + 252 \, B a^{2} b x^{2} e^{4} + 252 \, A a b^{2} x^{2} e^{4} + 84 \, B a^{2} b d x e^{3} + 84 \, A a b^{2} d x e^{3} + 12 \, B a^{2} b d^{2} e^{2} + 12 \, A a b^{2} d^{2} e^{2} + 70 \, B a^{3} x e^{4} + 210 \, A a^{2} b x e^{4} + 10 \, B a^{3} d e^{3} + 30 \, A a^{2} b d e^{3} + 60 \, A a^{3} e^{4}\right )} e^{\left (-5\right )}}{420 \, {\left (x e + d\right )}^{7}} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((b*x+a)^3*(B*x+A)/(e*x+d)^8,x, algorithm="giac")

[Out]

-1/420*(140*B*b^3*x^4*e^4 + 140*B*b^3*d*x^3*e^3 + 84*B*b^3*d^2*x^2*e^2 + 28*B*b^3*d^3*x*e + 4*B*b^3*d^4 + 315*
B*a*b^2*x^3*e^4 + 105*A*b^3*x^3*e^4 + 189*B*a*b^2*d*x^2*e^3 + 63*A*b^3*d*x^2*e^3 + 63*B*a*b^2*d^2*x*e^2 + 21*A
*b^3*d^2*x*e^2 + 9*B*a*b^2*d^3*e + 3*A*b^3*d^3*e + 252*B*a^2*b*x^2*e^4 + 252*A*a*b^2*x^2*e^4 + 84*B*a^2*b*d*x*
e^3 + 84*A*a*b^2*d*x*e^3 + 12*B*a^2*b*d^2*e^2 + 12*A*a*b^2*d^2*e^2 + 70*B*a^3*x*e^4 + 210*A*a^2*b*x*e^4 + 10*B
*a^3*d*e^3 + 30*A*a^2*b*d*e^3 + 60*A*a^3*e^4)*e^(-5)/(x*e + d)^7

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Mupad [B]
time = 1.13, size = 336, normalized size = 2.06 \begin {gather*} -\frac {\frac {10\,B\,a^3\,d\,e^3+60\,A\,a^3\,e^4+12\,B\,a^2\,b\,d^2\,e^2+30\,A\,a^2\,b\,d\,e^3+9\,B\,a\,b^2\,d^3\,e+12\,A\,a\,b^2\,d^2\,e^2+4\,B\,b^3\,d^4+3\,A\,b^3\,d^3\,e}{420\,e^5}+\frac {x\,\left (10\,B\,a^3\,e^3+12\,B\,a^2\,b\,d\,e^2+30\,A\,a^2\,b\,e^3+9\,B\,a\,b^2\,d^2\,e+12\,A\,a\,b^2\,d\,e^2+4\,B\,b^3\,d^3+3\,A\,b^3\,d^2\,e\right )}{60\,e^4}+\frac {b^2\,x^3\,\left (3\,A\,b\,e+9\,B\,a\,e+4\,B\,b\,d\right )}{12\,e^2}+\frac {b\,x^2\,\left (12\,B\,a^2\,e^2+9\,B\,a\,b\,d\,e+12\,A\,a\,b\,e^2+4\,B\,b^2\,d^2+3\,A\,b^2\,d\,e\right )}{20\,e^3}+\frac {B\,b^3\,x^4}{3\,e}}{d^7+7\,d^6\,e\,x+21\,d^5\,e^2\,x^2+35\,d^4\,e^3\,x^3+35\,d^3\,e^4\,x^4+21\,d^2\,e^5\,x^5+7\,d\,e^6\,x^6+e^7\,x^7} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

int(((A + B*x)*(a + b*x)^3)/(d + e*x)^8,x)

[Out]

-((60*A*a^3*e^4 + 4*B*b^3*d^4 + 3*A*b^3*d^3*e + 10*B*a^3*d*e^3 + 12*A*a*b^2*d^2*e^2 + 12*B*a^2*b*d^2*e^2 + 30*
A*a^2*b*d*e^3 + 9*B*a*b^2*d^3*e)/(420*e^5) + (x*(10*B*a^3*e^3 + 4*B*b^3*d^3 + 30*A*a^2*b*e^3 + 3*A*b^3*d^2*e +
12*A*a*b^2*d*e^2 + 9*B*a*b^2*d^2*e + 12*B*a^2*b*d*e^2))/(60*e^4) + (b^2*x^3*(3*A*b*e + 9*B*a*e + 4*B*b*d))/(1
2*e^2) + (b*x^2*(12*B*a^2*e^2 + 4*B*b^2*d^2 + 12*A*a*b*e^2 + 3*A*b^2*d*e + 9*B*a*b*d*e))/(20*e^3) + (B*b^3*x^4
)/(3*e))/(d^7 + e^7*x^7 + 7*d*e^6*x^6 + 21*d^5*e^2*x^2 + 35*d^4*e^3*x^3 + 35*d^3*e^4*x^4 + 21*d^2*e^5*x^5 + 7*
d^6*e*x)

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