3.15.72 \(\int \frac {(a^2+2 a b x+b^2 x^2)^2}{(d+e x)^3} \, dx\) [1472]

Optimal. Leaf size=103 \[ -\frac {b^3 (3 b d-4 a e) x}{e^4}+\frac {b^4 x^2}{2 e^3}-\frac {(b d-a e)^4}{2 e^5 (d+e x)^2}+\frac {4 b (b d-a e)^3}{e^5 (d+e x)}+\frac {6 b^2 (b d-a e)^2 \log (d+e x)}{e^5} \]

[Out]

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

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Rubi [A]
time = 0.06, antiderivative size = 103, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, integrand size = 26, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.077, Rules used = {27, 45} \begin {gather*} -\frac {b^3 x (3 b d-4 a e)}{e^4}+\frac {6 b^2 (b d-a e)^2 \log (d+e x)}{e^5}+\frac {4 b (b d-a e)^3}{e^5 (d+e x)}-\frac {(b d-a e)^4}{2 e^5 (d+e x)^2}+\frac {b^4 x^2}{2 e^3} \end {gather*}

Antiderivative was successfully verified.

[In]

Int[(a^2 + 2*a*b*x + b^2*x^2)^2/(d + e*x)^3,x]

[Out]

-((b^3*(3*b*d - 4*a*e)*x)/e^4) + (b^4*x^2)/(2*e^3) - (b*d - a*e)^4/(2*e^5*(d + e*x)^2) + (4*b*(b*d - a*e)^3)/(
e^5*(d + e*x)) + (6*b^2*(b*d - a*e)^2*Log[d + e*x])/e^5

Rule 27

Int[(u_.)*((a_) + (b_.)*(x_) + (c_.)*(x_)^2)^(p_.), x_Symbol] :> Int[u*Cancel[(b/2 + c*x)^(2*p)/c^p], x] /; Fr
eeQ[{a, b, c}, x] && EqQ[b^2 - 4*a*c, 0] && IntegerQ[p]

Rule 45

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

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Mathematica [A]
time = 0.04, size = 167, normalized size = 1.62 \begin {gather*} \frac {-a^4 e^4-4 a^3 b e^3 (d+2 e x)+6 a^2 b^2 d e^2 (3 d+4 e x)+4 a b^3 e \left (-5 d^3-4 d^2 e x+4 d e^2 x^2+2 e^3 x^3\right )+b^4 \left (7 d^4+2 d^3 e x-11 d^2 e^2 x^2-4 d e^3 x^3+e^4 x^4\right )+12 b^2 (b d-a e)^2 (d+e x)^2 \log (d+e x)}{2 e^5 (d+e x)^2} \end {gather*}

Antiderivative was successfully verified.

[In]

Integrate[(a^2 + 2*a*b*x + b^2*x^2)^2/(d + e*x)^3,x]

[Out]

(-(a^4*e^4) - 4*a^3*b*e^3*(d + 2*e*x) + 6*a^2*b^2*d*e^2*(3*d + 4*e*x) + 4*a*b^3*e*(-5*d^3 - 4*d^2*e*x + 4*d*e^
2*x^2 + 2*e^3*x^3) + b^4*(7*d^4 + 2*d^3*e*x - 11*d^2*e^2*x^2 - 4*d*e^3*x^3 + e^4*x^4) + 12*b^2*(b*d - a*e)^2*(
d + e*x)^2*Log[d + e*x])/(2*e^5*(d + e*x)^2)

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Maple [A]
time = 0.65, size = 172, normalized size = 1.67

method	result	size
default	\(\frac {b^{3} \left (\frac {1}{2} b e \,x^{2}+4 a e x -3 x b d \right )}{e^{4}}-\frac {4 b \left (e^{3} a^{3}-3 a^{2} b d \,e^{2}+3 a \,b^{2} d^{2} e -b^{3} d^{3}\right )}{e^{5} \left (e x +d \right )}-\frac {e^{4} a^{4}-4 a^{3} b d \,e^{3}+6 a^{2} b^{2} d^{2} e^{2}-4 a \,b^{3} d^{3} e +b^{4} d^{4}}{2 e^{5} \left (e x +d \right )^{2}}+\frac {6 b^{2} \left (a^{2} e^{2}-2 a b d e +b^{2} d^{2}\right ) \ln \left (e x +d \right )}{e^{5}}\)	\(172\)
norman	\(\frac {-\frac {e^{4} a^{4}+4 a^{3} b d \,e^{3}-18 a^{2} b^{2} d^{2} e^{2}+36 a \,b^{3} d^{3} e -18 b^{4} d^{4}}{2 e^{5}}+\frac {b^{4} x^{4}}{2 e}-\frac {2 \left (2 a^{3} b \,e^{3}-6 a^{2} b^{2} d \,e^{2}+12 d^{2} e a \,b^{3}-6 b^{4} d^{3}\right ) x}{e^{4}}+\frac {2 b^{3} \left (2 a e -b d \right ) x^{3}}{e^{2}}}{\left (e x +d \right )^{2}}+\frac {6 b^{2} \left (a^{2} e^{2}-2 a b d e +b^{2} d^{2}\right ) \ln \left (e x +d \right )}{e^{5}}\)	\(178\)
risch	\(\frac {b^{4} x^{2}}{2 e^{3}}+\frac {4 b^{3} a x}{e^{3}}-\frac {3 b^{4} x d}{e^{4}}+\frac {\left (-4 a^{3} b \,e^{3}+12 a^{2} b^{2} d \,e^{2}-12 d^{2} e a \,b^{3}+4 b^{4} d^{3}\right ) x -\frac {e^{4} a^{4}+4 a^{3} b d \,e^{3}-18 a^{2} b^{2} d^{2} e^{2}+20 a \,b^{3} d^{3} e -7 b^{4} d^{4}}{2 e}}{e^{4} \left (e x +d \right )^{2}}+\frac {6 b^{2} \ln \left (e x +d \right ) a^{2}}{e^{3}}-\frac {12 b^{3} \ln \left (e x +d \right ) a d}{e^{4}}+\frac {6 b^{4} \ln \left (e x +d \right ) d^{2}}{e^{5}}\)	\(192\)

Verification of antiderivative is not currently implemented for this CAS.

[In]

int((b^2*x^2+2*a*b*x+a^2)^2/(e*x+d)^3,x,method=_RETURNVERBOSE)

[Out]

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

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Maxima [A]
time = 0.27, size = 185, normalized size = 1.80 \begin {gather*} 6 \, {\left (b^{4} d^{2} - 2 \, a b^{3} d e + a^{2} b^{2} e^{2}\right )} e^{\left (-5\right )} \log \left (x e + d\right ) + \frac {1}{2} \, {\left (b^{4} x^{2} e - 2 \, {\left (3 \, b^{4} d - 4 \, a b^{3} e\right )} x\right )} e^{\left (-4\right )} + \frac {7 \, b^{4} d^{4} - 20 \, a b^{3} d^{3} e + 18 \, a^{2} b^{2} d^{2} e^{2} - 4 \, a^{3} b d e^{3} - a^{4} e^{4} + 8 \, {\left (b^{4} d^{3} e - 3 \, a b^{3} d^{2} e^{2} + 3 \, a^{2} b^{2} d e^{3} - a^{3} b e^{4}\right )} x}{2 \, {\left (x^{2} e^{7} + 2 \, d x e^{6} + d^{2} e^{5}\right )}} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((b^2*x^2+2*a*b*x+a^2)^2/(e*x+d)^3,x, algorithm="maxima")

[Out]

6*(b^4*d^2 - 2*a*b^3*d*e + a^2*b^2*e^2)*e^(-5)*log(x*e + d) + 1/2*(b^4*x^2*e - 2*(3*b^4*d - 4*a*b^3*e)*x)*e^(-
4) + 1/2*(7*b^4*d^4 - 20*a*b^3*d^3*e + 18*a^2*b^2*d^2*e^2 - 4*a^3*b*d*e^3 - a^4*e^4 + 8*(b^4*d^3*e - 3*a*b^3*d
^2*e^2 + 3*a^2*b^2*d*e^3 - a^3*b*e^4)*x)/(x^2*e^7 + 2*d*x*e^6 + d^2*e^5)

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Fricas [B] Leaf count of result is larger than twice the leaf count of optimal. 271 vs. \(2 (101) = 202\).
time = 2.65, size = 271, normalized size = 2.63 \begin {gather*} \frac {7 \, b^{4} d^{4} + {\left (b^{4} x^{4} + 8 \, a b^{3} x^{3} - 8 \, a^{3} b x - a^{4}\right )} e^{4} - 4 \, {\left (b^{4} d x^{3} - 4 \, a b^{3} d x^{2} - 6 \, a^{2} b^{2} d x + a^{3} b d\right )} e^{3} - {\left (11 \, b^{4} d^{2} x^{2} + 16 \, a b^{3} d^{2} x - 18 \, a^{2} b^{2} d^{2}\right )} e^{2} + 2 \, {\left (b^{4} d^{3} x - 10 \, a b^{3} d^{3}\right )} e + 12 \, {\left (b^{4} d^{4} + a^{2} b^{2} x^{2} e^{4} - 2 \, {\left (a b^{3} d x^{2} - a^{2} b^{2} d x\right )} e^{3} + {\left (b^{4} d^{2} x^{2} - 4 \, a b^{3} d^{2} x + a^{2} b^{2} d^{2}\right )} e^{2} + 2 \, {\left (b^{4} d^{3} x - a b^{3} d^{3}\right )} e\right )} \log \left (x e + d\right )}{2 \, {\left (x^{2} e^{7} + 2 \, d x e^{6} + d^{2} e^{5}\right )}} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((b^2*x^2+2*a*b*x+a^2)^2/(e*x+d)^3,x, algorithm="fricas")

[Out]

1/2*(7*b^4*d^4 + (b^4*x^4 + 8*a*b^3*x^3 - 8*a^3*b*x - a^4)*e^4 - 4*(b^4*d*x^3 - 4*a*b^3*d*x^2 - 6*a^2*b^2*d*x
+ a^3*b*d)*e^3 - (11*b^4*d^2*x^2 + 16*a*b^3*d^2*x - 18*a^2*b^2*d^2)*e^2 + 2*(b^4*d^3*x - 10*a*b^3*d^3)*e + 12*
(b^4*d^4 + a^2*b^2*x^2*e^4 - 2*(a*b^3*d*x^2 - a^2*b^2*d*x)*e^3 + (b^4*d^2*x^2 - 4*a*b^3*d^2*x + a^2*b^2*d^2)*e
^2 + 2*(b^4*d^3*x - a*b^3*d^3)*e)*log(x*e + d))/(x^2*e^7 + 2*d*x*e^6 + d^2*e^5)

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Sympy [A]
time = 0.72, size = 185, normalized size = 1.80 \begin {gather*} \frac {b^{4} x^{2}}{2 e^{3}} + \frac {6 b^{2} \left (a e - b d\right )^{2} \log {\left (d + e x \right )}}{e^{5}} + x \left (\frac {4 a b^{3}}{e^{3}} - \frac {3 b^{4} d}{e^{4}}\right ) + \frac {- a^{4} e^{4} - 4 a^{3} b d e^{3} + 18 a^{2} b^{2} d^{2} e^{2} - 20 a b^{3} d^{3} e + 7 b^{4} d^{4} + x \left (- 8 a^{3} b e^{4} + 24 a^{2} b^{2} d e^{3} - 24 a b^{3} d^{2} e^{2} + 8 b^{4} d^{3} e\right )}{2 d^{2} e^{5} + 4 d e^{6} x + 2 e^{7} x^{2}} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((b**2*x**2+2*a*b*x+a**2)**2/(e*x+d)**3,x)

[Out]

b**4*x**2/(2*e**3) + 6*b**2*(a*e - b*d)**2*log(d + e*x)/e**5 + x*(4*a*b**3/e**3 - 3*b**4*d/e**4) + (-a**4*e**4
- 4*a**3*b*d*e**3 + 18*a**2*b**2*d**2*e**2 - 20*a*b**3*d**3*e + 7*b**4*d**4 + x*(-8*a**3*b*e**4 + 24*a**2*b**
2*d*e**3 - 24*a*b**3*d**2*e**2 + 8*b**4*d**3*e))/(2*d**2*e**5 + 4*d*e**6*x + 2*e**7*x**2)

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Giac [A]
time = 2.17, size = 175, normalized size = 1.70 \begin {gather*} 6 \, {\left (b^{4} d^{2} - 2 \, a b^{3} d e + a^{2} b^{2} e^{2}\right )} e^{\left (-5\right )} \log \left ({\left | x e + d \right |}\right ) + \frac {1}{2} \, {\left (b^{4} x^{2} e^{3} - 6 \, b^{4} d x e^{2} + 8 \, a b^{3} x e^{3}\right )} e^{\left (-6\right )} + \frac {{\left (7 \, b^{4} d^{4} - 20 \, a b^{3} d^{3} e + 18 \, a^{2} b^{2} d^{2} e^{2} - 4 \, a^{3} b d e^{3} - a^{4} e^{4} + 8 \, {\left (b^{4} d^{3} e - 3 \, a b^{3} d^{2} e^{2} + 3 \, a^{2} b^{2} d e^{3} - a^{3} b e^{4}\right )} x\right )} e^{\left (-5\right )}}{2 \, {\left (x e + d\right )}^{2}} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((b^2*x^2+2*a*b*x+a^2)^2/(e*x+d)^3,x, algorithm="giac")

[Out]

6*(b^4*d^2 - 2*a*b^3*d*e + a^2*b^2*e^2)*e^(-5)*log(abs(x*e + d)) + 1/2*(b^4*x^2*e^3 - 6*b^4*d*x*e^2 + 8*a*b^3*
x*e^3)*e^(-6) + 1/2*(7*b^4*d^4 - 20*a*b^3*d^3*e + 18*a^2*b^2*d^2*e^2 - 4*a^3*b*d*e^3 - a^4*e^4 + 8*(b^4*d^3*e
- 3*a*b^3*d^2*e^2 + 3*a^2*b^2*d*e^3 - a^3*b*e^4)*x)*e^(-5)/(x*e + d)^2

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Mupad [B]
time = 0.10, size = 196, normalized size = 1.90 \begin {gather*} x\,\left (\frac {4\,a\,b^3}{e^3}-\frac {3\,b^4\,d}{e^4}\right )-\frac {\frac {a^4\,e^4+4\,a^3\,b\,d\,e^3-18\,a^2\,b^2\,d^2\,e^2+20\,a\,b^3\,d^3\,e-7\,b^4\,d^4}{2\,e}-x\,\left (-4\,a^3\,b\,e^3+12\,a^2\,b^2\,d\,e^2-12\,a\,b^3\,d^2\,e+4\,b^4\,d^3\right )}{d^2\,e^4+2\,d\,e^5\,x+e^6\,x^2}+\frac {b^4\,x^2}{2\,e^3}+\frac {\ln \left (d+e\,x\right )\,\left (6\,a^2\,b^2\,e^2-12\,a\,b^3\,d\,e+6\,b^4\,d^2\right )}{e^5} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

int((a^2 + b^2*x^2 + 2*a*b*x)^2/(d + e*x)^3,x)

[Out]

x*((4*a*b^3)/e^3 - (3*b^4*d)/e^4) - ((a^4*e^4 - 7*b^4*d^4 - 18*a^2*b^2*d^2*e^2 + 20*a*b^3*d^3*e + 4*a^3*b*d*e^
3)/(2*e) - x*(4*b^4*d^3 - 4*a^3*b*e^3 + 12*a^2*b^2*d*e^2 - 12*a*b^3*d^2*e))/(d^2*e^4 + e^6*x^2 + 2*d*e^5*x) +
(b^4*x^2)/(2*e^3) + (log(d + e*x)*(6*b^4*d^2 + 6*a^2*b^2*e^2 - 12*a*b^3*d*e))/e^5

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