3.3.40 \(\int \frac {e^{2 \tanh ^{-1}(a x)}}{(c-a c x)^{3/2}} \, dx\) [240]

Optimal. Leaf size=38 \[ \frac {4}{3 a (c-a c x)^{3/2}}-\frac {2}{a c \sqrt {c-a c x}} \]

[Out]

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

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Rubi [A]
time = 0.04, antiderivative size = 38, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 3, integrand size = 20, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.150, Rules used = {6265, 21, 45} \begin {gather*} \frac {4}{3 a (c-a c x)^{3/2}}-\frac {2}{a c \sqrt {c-a c x}} \end {gather*}

Antiderivative was successfully verified.

[In]

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

[Out]

4/(3*a*(c - a*c*x)^(3/2)) - 2/(a*c*Sqrt[c - a*c*x])

Rule 21

Int[(u_.)*((a_) + (b_.)*(v_))^(m_.)*((c_) + (d_.)*(v_))^(n_.), x_Symbol] :> Dist[(b/d)^m, Int[u*(c + d*v)^(m +
n), x], x] /; FreeQ[{a, b, c, d, n}, x] && EqQ[b*c - a*d, 0] && IntegerQ[m] && ( !IntegerQ[n] || SimplerQ[c +
d*x, a + b*x])

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 6265

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

Rubi steps

\begin {align*} \int \frac {e^{2 \tanh ^{-1}(a x)}}{(c-a c x)^{3/2}} \, dx &=\int \frac {1+a x}{(1-a x) (c-a c x)^{3/2}} \, dx\\ &=c \int \frac {1+a x}{(c-a c x)^{5/2}} \, dx\\ &=c \int \left (\frac {2}{(c-a c x)^{5/2}}-\frac {1}{c (c-a c x)^{3/2}}\right ) \, dx\\ &=\frac {4}{3 a (c-a c x)^{3/2}}-\frac {2}{a c \sqrt {c-a c x}}\\ \end {align*}

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Mathematica [A]
time = 0.03, size = 34, normalized size = 0.89 \begin {gather*} \frac {2 (-1+3 a x) \sqrt {c-a c x}}{3 a c^2 (-1+a x)^2} \end {gather*}

Antiderivative was successfully verified.

[In]

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

[Out]

(2*(-1 + 3*a*x)*Sqrt[c - a*c*x])/(3*a*c^2*(-1 + a*x)^2)

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Maple [A]
time = 1.24, size = 33, normalized size = 0.87

method	result	size
gosper	\(\frac {2 a x -\frac {2}{3}}{a \left (-c x a +c \right )^{\frac {3}{2}}}\)	\(21\)
trager	\(\frac {2 \left (3 a x -1\right ) \sqrt {-c x a +c}}{3 c^{2} \left (a x -1\right )^{2} a}\)	\(31\)
derivativedivides	\(\frac {\frac {4 c}{3 \left (-c x a +c \right )^{\frac {3}{2}}}-\frac {2}{\sqrt {-c x a +c}}}{a c}\)	\(33\)
default	\(\frac {\frac {4 c}{3 \left (-c x a +c \right )^{\frac {3}{2}}}-\frac {2}{\sqrt {-c x a +c}}}{a c}\)	\(33\)

Verification of antiderivative is not currently implemented for this CAS.

[In]

int((a*x+1)^2/(-a^2*x^2+1)/(-a*c*x+c)^(3/2),x,method=_RETURNVERBOSE)

[Out]

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

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Maxima [A]
time = 0.25, size = 26, normalized size = 0.68 \begin {gather*} \frac {2 \, {\left (3 \, a c x - c\right )}}{3 \, {\left (-a c x + c\right )}^{\frac {3}{2}} a c} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((a*x+1)^2/(-a^2*x^2+1)/(-a*c*x+c)^(3/2),x, algorithm="maxima")

[Out]

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

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Fricas [A]
time = 0.33, size = 44, normalized size = 1.16 \begin {gather*} \frac {2 \, \sqrt {-a c x + c} {\left (3 \, a x - 1\right )}}{3 \, {\left (a^{3} c^{2} x^{2} - 2 \, a^{2} c^{2} x + a c^{2}\right )}} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((a*x+1)^2/(-a^2*x^2+1)/(-a*c*x+c)^(3/2),x, algorithm="fricas")

[Out]

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

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Sympy [A]
time = 23.02, size = 29, normalized size = 0.76 \begin {gather*} \frac {4}{3 a \left (- a c x + c\right )^{\frac {3}{2}}} - \frac {2}{a c \sqrt {- a c x + c}} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((a*x+1)**2/(-a**2*x**2+1)/(-a*c*x+c)**(3/2),x)

[Out]

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

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Giac [A]
time = 0.40, size = 36, normalized size = 0.95 \begin {gather*} -\frac {2 \, {\left (3 \, a c x - c\right )}}{3 \, {\left (a c x - c\right )} \sqrt {-a c x + c} a c} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((a*x+1)^2/(-a^2*x^2+1)/(-a*c*x+c)^(3/2),x, algorithm="giac")

[Out]

-2/3*(3*a*c*x - c)/((a*c*x - c)*sqrt(-a*c*x + c)*a*c)

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Mupad [B]
time = 0.78, size = 20, normalized size = 0.53 \begin {gather*} \frac {6\,a\,x-2}{3\,a\,{\left (c-a\,c\,x\right )}^{3/2}} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

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

[Out]

(6*a*x - 2)/(3*a*(c - a*c*x)^(3/2))

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