3.2.70 \(\int e^{2 \coth ^{-1}(a x)} (c-a c x)^3 \, dx\) [170]

Optimal. Leaf size=37 \[ \frac {2 c^3 (1-a x)^3}{3 a}-\frac {c^3 (1-a x)^4}{4 a} \]

[Out]

2/3*c^3*(-a*x+1)^3/a-1/4*c^3*(-a*x+1)^4/a

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Rubi [A]
time = 0.04, antiderivative size = 37, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 3, integrand size = 18, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.167, Rules used = {6302, 6264, 45} \begin {gather*} \frac {2 c^3 (1-a x)^3}{3 a}-\frac {c^3 (1-a x)^4}{4 a} \end {gather*}

Antiderivative was successfully verified.

[In]

Int[E^(2*ArcCoth[a*x])*(c - a*c*x)^3,x]

[Out]

(2*c^3*(1 - a*x)^3)/(3*a) - (c^3*(1 - a*x)^4)/(4*a)

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])

Rule 6264

Int[E^(ArcTanh[(a_.)*(x_)]*(n_.))*(u_.)*((c_) + (d_.)*(x_))^(p_.), x_Symbol] :> Dist[c^p, Int[u*(1 + d*(x/c))^
p*((1 + a*x)^(n/2)/(1 - a*x)^(n/2)), x], x] /; FreeQ[{a, c, d, n, p}, x] && EqQ[a^2*c^2 - d^2, 0] && (IntegerQ
[p] || GtQ[c, 0])

Rule 6302

Int[E^(ArcCoth[(a_.)*(x_)]*(n_))*(u_.), x_Symbol] :> Dist[(-1)^(n/2), Int[u*E^(n*ArcTanh[a*x]), x], x] /; Free
Q[a, x] && IntegerQ[n/2]

Rubi steps

\begin {align*} \int e^{2 \coth ^{-1}(a x)} (c-a c x)^3 \, dx &=-\int e^{2 \tanh ^{-1}(a x)} (c-a c x)^3 \, dx\\ &=-\left (c^3 \int (1-a x)^2 (1+a x) \, dx\right )\\ &=-\left (c^3 \int \left (2 (1-a x)^2-(1-a x)^3\right ) \, dx\right )\\ &=\frac {2 c^3 (1-a x)^3}{3 a}-\frac {c^3 (1-a x)^4}{4 a}\\ \end {align*}

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Mathematica [A]
time = 0.01, size = 30, normalized size = 0.81 \begin {gather*} -\frac {1}{12} c^3 x \left (12-6 a x-4 a^2 x^2+3 a^3 x^3\right ) \end {gather*}

Antiderivative was successfully verified.

[In]

Integrate[E^(2*ArcCoth[a*x])*(c - a*c*x)^3,x]

[Out]

-1/12*(c^3*x*(12 - 6*a*x - 4*a^2*x^2 + 3*a^3*x^3))

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Maple [A]
time = 0.13, size = 31, normalized size = 0.84

method	result	size
gosper	\(-\frac {x \left (3 a^{3} x^{3}-4 a^{2} x^{2}-6 a x +12\right ) c^{3}}{12}\)	\(29\)
default	\(c^{3} \left (-\frac {1}{4} a^{3} x^{4}+\frac {1}{3} a^{2} x^{3}+\frac {1}{2} a \,x^{2}-x \right )\)	\(31\)
norman	\(-c^{3} x +\frac {1}{3} a^{2} c^{3} x^{3}-\frac {1}{4} a^{3} c^{3} x^{4}+\frac {1}{2} c^{3} a \,x^{2}\)	\(39\)
risch	\(-c^{3} x +\frac {1}{3} a^{2} c^{3} x^{3}-\frac {1}{4} a^{3} c^{3} x^{4}+\frac {1}{2} c^{3} a \,x^{2}\)	\(39\)
meijerg	\(-\frac {c^{3} \left (\frac {a x \left (15 a^{3} x^{3}+20 a^{2} x^{2}+30 a x +60\right )}{60}+\ln \left (-a x +1\right )\right )}{a}-\frac {2 c^{3} \left (-\frac {a x \left (4 a^{2} x^{2}+6 a x +12\right )}{12}-\ln \left (-a x +1\right )\right )}{a}+\frac {2 c^{3} \left (-a x -\ln \left (-a x +1\right )\right )}{a}+\frac {c^{3} \ln \left (-a x +1\right )}{a}\)	\(116\)

Verification of antiderivative is not currently implemented for this CAS.

[In]

int(1/(a*x-1)*(a*x+1)*(-a*c*x+c)^3,x,method=_RETURNVERBOSE)

[Out]

c^3*(-1/4*a^3*x^4+1/3*a^2*x^3+1/2*a*x^2-x)

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Maxima [A]
time = 0.26, size = 38, normalized size = 1.03 \begin {gather*} -\frac {1}{4} \, a^{3} c^{3} x^{4} + \frac {1}{3} \, a^{2} c^{3} x^{3} + \frac {1}{2} \, a c^{3} x^{2} - c^{3} x \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(1/(a*x-1)*(a*x+1)*(-a*c*x+c)^3,x, algorithm="maxima")

[Out]

-1/4*a^3*c^3*x^4 + 1/3*a^2*c^3*x^3 + 1/2*a*c^3*x^2 - c^3*x

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Fricas [A]
time = 0.33, size = 38, normalized size = 1.03 \begin {gather*} -\frac {1}{4} \, a^{3} c^{3} x^{4} + \frac {1}{3} \, a^{2} c^{3} x^{3} + \frac {1}{2} \, a c^{3} x^{2} - c^{3} x \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(1/(a*x-1)*(a*x+1)*(-a*c*x+c)^3,x, algorithm="fricas")

[Out]

-1/4*a^3*c^3*x^4 + 1/3*a^2*c^3*x^3 + 1/2*a*c^3*x^2 - c^3*x

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Sympy [A]
time = 0.02, size = 37, normalized size = 1.00 \begin {gather*} - \frac {a^{3} c^{3} x^{4}}{4} + \frac {a^{2} c^{3} x^{3}}{3} + \frac {a c^{3} x^{2}}{2} - c^{3} x \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(1/(a*x-1)*(a*x+1)*(-a*c*x+c)**3,x)

[Out]

-a**3*c**3*x**4/4 + a**2*c**3*x**3/3 + a*c**3*x**2/2 - c**3*x

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Giac [A]
time = 0.40, size = 38, normalized size = 1.03 \begin {gather*} -\frac {1}{4} \, a^{3} c^{3} x^{4} + \frac {1}{3} \, a^{2} c^{3} x^{3} + \frac {1}{2} \, a c^{3} x^{2} - c^{3} x \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(1/(a*x-1)*(a*x+1)*(-a*c*x+c)^3,x, algorithm="giac")

[Out]

-1/4*a^3*c^3*x^4 + 1/3*a^2*c^3*x^3 + 1/2*a*c^3*x^2 - c^3*x

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Mupad [B]
time = 0.05, size = 38, normalized size = 1.03 \begin {gather*} -\frac {a^3\,c^3\,x^4}{4}+\frac {a^2\,c^3\,x^3}{3}+\frac {a\,c^3\,x^2}{2}-c^3\,x \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

int(((c - a*c*x)^3*(a*x + 1))/(a*x - 1),x)

[Out]

(a*c^3*x^2)/2 - c^3*x + (a^2*c^3*x^3)/3 - (a^3*c^3*x^4)/4

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