3.11.18 \(\int \frac {(d+e x)^8}{(c d^2+2 c d e x+c e^2 x^2)^3} \, dx\) [1018]

Optimal. Leaf size=17 \[ \frac {(d+e x)^3}{3 c^3 e} \]

[Out]

1/3*(e*x+d)^3/c^3/e

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Rubi [A]
time = 0.00, antiderivative size = 17, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, integrand size = 30, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.100, Rules used = {27, 12, 32} \begin {gather*} \frac {(d+e x)^3}{3 c^3 e} \end {gather*}

Antiderivative was successfully verified.

[In]

Int[(d + e*x)^8/(c*d^2 + 2*c*d*e*x + c*e^2*x^2)^3,x]

[Out]

(d + e*x)^3/(3*c^3*e)

Rule 12

Int[(a_)*(u_), x_Symbol] :> Dist[a, Int[u, x], x] /; FreeQ[a, x] &&  !MatchQ[u, (b_)*(v_) /; FreeQ[b, x]]

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 32

Int[((a_.) + (b_.)*(x_))^(m_), x_Symbol] :> Simp[(a + b*x)^(m + 1)/(b*(m + 1)), x] /; FreeQ[{a, b, m}, x] && N
eQ[m, -1]

Rubi steps

\begin {align*} \int \frac {(d+e x)^8}{\left (c d^2+2 c d e x+c e^2 x^2\right )^3} \, dx &=\int \frac {(d+e x)^2}{c^3} \, dx\\ &=\frac {\int (d+e x)^2 \, dx}{c^3}\\ &=\frac {(d+e x)^3}{3 c^3 e}\\ \end {align*}

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Mathematica [A]
time = 0.00, size = 17, normalized size = 1.00 \begin {gather*} \frac {(d+e x)^3}{3 c^3 e} \end {gather*}

Antiderivative was successfully verified.

[In]

Integrate[(d + e*x)^8/(c*d^2 + 2*c*d*e*x + c*e^2*x^2)^3,x]

[Out]

(d + e*x)^3/(3*c^3*e)

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Maple [A]
time = 0.58, size = 16, normalized size = 0.94

method	result	size
default	\(\frac {\left (e x +d \right )^{3}}{3 c^{3} e}\)	\(16\)
gosper	\(\frac {x \left (e^{2} x^{2}+3 d x e +3 d^{2}\right )}{3 c^{3}}\)	\(25\)
risch	\(\frac {e^{2} x^{3}}{3 c^{3}}+\frac {e d \,x^{2}}{c^{3}}+\frac {d^{2} x}{c^{3}}+\frac {d^{3}}{3 c^{3} e}\)	\(41\)
norman	\(\frac {\frac {e^{7} x^{8}}{3 c}+\frac {8 d \,e^{6} x^{7}}{3 c}-\frac {55 d^{8}}{3 e c}+\frac {28 e^{5} d^{2} x^{6}}{3 c}-\frac {70 d^{4} e^{3} x^{4}}{c}-\frac {168 d^{5} e^{2} x^{3}}{c}-\frac {532 d^{6} e \,x^{2}}{3 c}-\frac {272 d^{7} x}{3 c}}{c^{2} \left (e x +d \right )^{5}}\)	\(110\)

Verification of antiderivative is not currently implemented for this CAS.

[In]

int((e*x+d)^8/(c*e^2*x^2+2*c*d*e*x+c*d^2)^3,x,method=_RETURNVERBOSE)

[Out]

1/3*(e*x+d)^3/c^3/e

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Maxima [A]
time = 0.27, size = 26, normalized size = 1.53 \begin {gather*} \frac {x^{3} e^{2} + 3 \, d x^{2} e + 3 \, d^{2} x}{3 \, c^{3}} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((e*x+d)^8/(c*e^2*x^2+2*c*d*e*x+c*d^2)^3,x, algorithm="maxima")

[Out]

1/3*(x^3*e^2 + 3*d*x^2*e + 3*d^2*x)/c^3

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Fricas [A]
time = 2.12, size = 26, normalized size = 1.53 \begin {gather*} \frac {x^{3} e^{2} + 3 \, d x^{2} e + 3 \, d^{2} x}{3 \, c^{3}} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((e*x+d)^8/(c*e^2*x^2+2*c*d*e*x+c*d^2)^3,x, algorithm="fricas")

[Out]

1/3*(x^3*e^2 + 3*d*x^2*e + 3*d^2*x)/c^3

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Sympy [B] Leaf count of result is larger than twice the leaf count of optimal. 29 vs. \(2 (12) = 24\).
time = 0.04, size = 29, normalized size = 1.71 \begin {gather*} \frac {d^{2} x}{c^{3}} + \frac {d e x^{2}}{c^{3}} + \frac {e^{2} x^{3}}{3 c^{3}} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((e*x+d)**8/(c*e**2*x**2+2*c*d*e*x+c*d**2)**3,x)

[Out]

d**2*x/c**3 + d*e*x**2/c**3 + e**2*x**3/(3*c**3)

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Giac [A]
time = 0.77, size = 26, normalized size = 1.53 \begin {gather*} \frac {x^{3} e^{2} + 3 \, d x^{2} e + 3 \, d^{2} x}{3 \, c^{3}} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((e*x+d)^8/(c*e^2*x^2+2*c*d*e*x+c*d^2)^3,x, algorithm="giac")

[Out]

1/3*(x^3*e^2 + 3*d*x^2*e + 3*d^2*x)/c^3

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Mupad [B]
time = 0.04, size = 24, normalized size = 1.41 \begin {gather*} \frac {x\,\left (3\,d^2+3\,d\,e\,x+e^2\,x^2\right )}{3\,c^3} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

int((d + e*x)^8/(c*d^2 + c*e^2*x^2 + 2*c*d*e*x)^3,x)

[Out]

(x*(3*d^2 + e^2*x^2 + 3*d*e*x))/(3*c^3)

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