3.17.7 \(\int \frac {(d+e x)^3}{(a^2+2 a b x+b^2 x^2)^{5/2}} \, dx\) [1607]

Optimal. Leaf size=48 \[ -\frac {(d+e x)^4}{4 (b d-a e) (a+b x)^3 \sqrt {a^2+2 a b x+b^2 x^2}} \]

[Out]

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

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Rubi [A]
time = 0.02, antiderivative size = 48, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, integrand size = 28, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.071, Rules used = {660, 37} \begin {gather*} -\frac {(d+e x)^4}{4 (a+b x)^3 \sqrt {a^2+2 a b x+b^2 x^2} (b d-a e)} \end {gather*}

Antiderivative was successfully verified.

[In]

Int[(d + e*x)^3/(a^2 + 2*a*b*x + b^2*x^2)^(5/2),x]

[Out]

-1/4*(d + e*x)^4/((b*d - a*e)*(a + b*x)^3*Sqrt[a^2 + 2*a*b*x + b^2*x^2])

Rule 37

Int[((a_.) + (b_.)*(x_))^(m_.)*((c_.) + (d_.)*(x_))^(n_), x_Symbol] :> Simp[(a + b*x)^(m + 1)*((c + d*x)^(n +
1)/((b*c - a*d)*(m + 1))), x] /; FreeQ[{a, b, c, d, m, n}, x] && NeQ[b*c - a*d, 0] && EqQ[m + n + 2, 0] && NeQ
[m, -1]

Rule 660

Int[((d_.) + (e_.)*(x_))^(m_)*((a_) + (b_.)*(x_) + (c_.)*(x_)^2)^(p_), x_Symbol] :> Dist[(a + b*x + c*x^2)^Fra
cPart[p]/(c^IntPart[p]*(b/2 + c*x)^(2*FracPart[p])), Int[(d + e*x)^m*(b/2 + c*x)^(2*p), x], x] /; FreeQ[{a, b,
 c, d, e, m, p}, x] && EqQ[b^2 - 4*a*c, 0] &&  !IntegerQ[p] && NeQ[2*c*d - b*e, 0]

Rubi steps

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

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Mathematica [B] Leaf count is larger than twice the leaf count of optimal. \(106\) vs. \(2(48)=96\).
time = 0.03, size = 106, normalized size = 2.21 \begin {gather*} \frac {-a^3 e^3-a^2 b e^2 (d+4 e x)-a b^2 e \left (d^2+4 d e x+6 e^2 x^2\right )-b^3 \left (d^3+4 d^2 e x+6 d e^2 x^2+4 e^3 x^3\right )}{4 b^4 (a+b x)^3 \sqrt {(a+b x)^2}} \end {gather*}

Antiderivative was successfully verified.

[In]

Integrate[(d + e*x)^3/(a^2 + 2*a*b*x + b^2*x^2)^(5/2),x]

[Out]

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

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Maple [B] Leaf count of result is larger than twice the leaf count of optimal. \(118\) vs. \(2(35)=70\).
time = 0.63, size = 119, normalized size = 2.48

method result size
risch \(\frac {\sqrt {\left (b x +a \right )^{2}}\, \left (-\frac {e^{3} x^{3}}{b}-\frac {3 e^{2} \left (a e +b d \right ) x^{2}}{2 b^{2}}-\frac {e \left (a^{2} e^{2}+a b d e +b^{2} d^{2}\right ) x}{b^{3}}-\frac {e^{3} a^{3}+a^{2} b d \,e^{2}+a \,b^{2} d^{2} e +b^{3} d^{3}}{4 b^{4}}\right )}{\left (b x +a \right )^{5}}\) \(113\)
gosper \(-\frac {\left (b x +a \right ) \left (4 b^{3} e^{3} x^{3}+6 a \,b^{2} e^{3} x^{2}+6 b^{3} d \,e^{2} x^{2}+4 a^{2} b \,e^{3} x +4 a \,b^{2} d \,e^{2} x +4 b^{3} d^{2} e x +e^{3} a^{3}+a^{2} b d \,e^{2}+a \,b^{2} d^{2} e +b^{3} d^{3}\right )}{4 b^{4} \left (\left (b x +a \right )^{2}\right )^{\frac {5}{2}}}\) \(119\)
default \(-\frac {\left (b x +a \right ) \left (4 b^{3} e^{3} x^{3}+6 a \,b^{2} e^{3} x^{2}+6 b^{3} d \,e^{2} x^{2}+4 a^{2} b \,e^{3} x +4 a \,b^{2} d \,e^{2} x +4 b^{3} d^{2} e x +e^{3} a^{3}+a^{2} b d \,e^{2}+a \,b^{2} d^{2} e +b^{3} d^{3}\right )}{4 b^{4} \left (\left (b x +a \right )^{2}\right )^{\frac {5}{2}}}\) \(119\)

Verification of antiderivative is not currently implemented for this CAS.

[In]

int((e*x+d)^3/(b^2*x^2+2*a*b*x+a^2)^(5/2),x,method=_RETURNVERBOSE)

[Out]

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

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Maxima [B] Leaf count of result is larger than twice the leaf count of optimal. 232 vs. \(2 (37) = 74\).
time = 0.28, size = 232, normalized size = 4.83 \begin {gather*} -\frac {x^{2} e^{3}}{{\left (b^{2} x^{2} + 2 \, a b x + a^{2}\right )}^{\frac {3}{2}} b^{2}} - \frac {d^{2} e}{{\left (b^{2} x^{2} + 2 \, a b x + a^{2}\right )}^{\frac {3}{2}} b^{2}} - \frac {2 \, a^{2} e^{3}}{3 \, {\left (b^{2} x^{2} + 2 \, a b x + a^{2}\right )}^{\frac {3}{2}} b^{4}} - \frac {3 \, d e^{2}}{2 \, b^{5} {\left (x + \frac {a}{b}\right )}^{2}} - \frac {d^{3}}{4 \, b^{5} {\left (x + \frac {a}{b}\right )}^{4}} - \frac {a e^{3}}{2 \, b^{6} {\left (x + \frac {a}{b}\right )}^{2}} + \frac {2 \, a d e^{2}}{b^{6} {\left (x + \frac {a}{b}\right )}^{3}} + \frac {3 \, a d^{2} e}{4 \, b^{6} {\left (x + \frac {a}{b}\right )}^{4}} + \frac {2 \, a^{2} e^{3}}{3 \, b^{7} {\left (x + \frac {a}{b}\right )}^{3}} - \frac {3 \, a^{2} d e^{2}}{4 \, b^{7} {\left (x + \frac {a}{b}\right )}^{4}} + \frac {a^{3} e^{3}}{4 \, b^{8} {\left (x + \frac {a}{b}\right )}^{4}} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((e*x+d)^3/(b^2*x^2+2*a*b*x+a^2)^(5/2),x, algorithm="maxima")

[Out]

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

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Fricas [B] Leaf count of result is larger than twice the leaf count of optimal. 135 vs. \(2 (37) = 74\).
time = 1.66, size = 135, normalized size = 2.81 \begin {gather*} -\frac {b^{3} d^{3} + {\left (4 \, b^{3} x^{3} + 6 \, a b^{2} x^{2} + 4 \, a^{2} b x + a^{3}\right )} e^{3} + {\left (6 \, b^{3} d x^{2} + 4 \, a b^{2} d x + a^{2} b d\right )} e^{2} + {\left (4 \, b^{3} d^{2} x + a b^{2} d^{2}\right )} e}{4 \, {\left (b^{8} x^{4} + 4 \, a b^{7} x^{3} + 6 \, a^{2} b^{6} x^{2} + 4 \, a^{3} b^{5} x + a^{4} b^{4}\right )}} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((e*x+d)^3/(b^2*x^2+2*a*b*x+a^2)^(5/2),x, algorithm="fricas")

[Out]

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

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Sympy [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \int \frac {\left (d + e x\right )^{3}}{\left (\left (a + b x\right )^{2}\right )^{\frac {5}{2}}}\, dx \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((e*x+d)**3/(b**2*x**2+2*a*b*x+a**2)**(5/2),x)

[Out]

Integral((d + e*x)**3/((a + b*x)**2)**(5/2), x)

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Giac [B] Leaf count of result is larger than twice the leaf count of optimal. 114 vs. \(2 (37) = 74\).
time = 0.97, size = 114, normalized size = 2.38 \begin {gather*} -\frac {4 \, b^{3} x^{3} e^{3} + 6 \, b^{3} d x^{2} e^{2} + 4 \, b^{3} d^{2} x e + b^{3} d^{3} + 6 \, a b^{2} x^{2} e^{3} + 4 \, a b^{2} d x e^{2} + a b^{2} d^{2} e + 4 \, a^{2} b x e^{3} + a^{2} b d e^{2} + a^{3} e^{3}}{4 \, {\left (b x + a\right )}^{4} b^{4} \mathrm {sgn}\left (b x + a\right )} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((e*x+d)^3/(b^2*x^2+2*a*b*x+a^2)^(5/2),x, algorithm="giac")

[Out]

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

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Mupad [B]
time = 0.75, size = 254, normalized size = 5.29 \begin {gather*} \frac {\left (\frac {2\,a\,e^3-3\,b\,d\,e^2}{2\,b^4}+\frac {a\,e^3}{2\,b^4}\right )\,\sqrt {a^2+2\,a\,b\,x+b^2\,x^2}}{{\left (a+b\,x\right )}^3}-\frac {\left (\frac {d^3}{4\,b}-\frac {a\,\left (\frac {3\,d^2\,e}{4\,b}+\frac {a\,\left (\frac {a\,e^3}{4\,b^2}-\frac {3\,d\,e^2}{4\,b}\right )}{b}\right )}{b}\right )\,\sqrt {a^2+2\,a\,b\,x+b^2\,x^2}}{{\left (a+b\,x\right )}^5}-\frac {\left (\frac {a^2\,e^3-3\,a\,b\,d\,e^2+3\,b^2\,d^2\,e}{3\,b^4}+\frac {a\,\left (\frac {a\,e^3}{3\,b^3}+\frac {e^2\,\left (a\,e-3\,b\,d\right )}{3\,b^3}\right )}{b}\right )\,\sqrt {a^2+2\,a\,b\,x+b^2\,x^2}}{{\left (a+b\,x\right )}^4}-\frac {e^3\,\sqrt {a^2+2\,a\,b\,x+b^2\,x^2}}{b^4\,{\left (a+b\,x\right )}^2} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

int((d + e*x)^3/(a^2 + b^2*x^2 + 2*a*b*x)^(5/2),x)

[Out]

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

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