3.1250 \(\int \frac{e^{-2 \tanh ^{-1}(a x)}}{(c-a^2 c x^2)^{5/2}} \, dx\)

Optimal. Leaf size=75 \[ \frac{2 x}{5 c^2 \sqrt{c-a^2 c x^2}}+\frac{x}{5 c \left (c-a^2 c x^2\right )^{3/2}}-\frac{2 (1-a x)}{5 a \left (c-a^2 c x^2\right )^{5/2}} \]

[Out]

(-2*(1 - a*x))/(5*a*(c - a^2*c*x^2)^(5/2)) + x/(5*c*(c - a^2*c*x^2)^(3/2)) + (2*x)/(5*c^2*Sqrt[c - a^2*c*x^2])

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Rubi [A]  time = 0.0705397, antiderivative size = 75, normalized size of antiderivative = 1., number of steps used = 4, number of rules used = 4, integrand size = 24, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.167, Rules used = {6142, 653, 192, 191} \[ \frac{2 x}{5 c^2 \sqrt{c-a^2 c x^2}}+\frac{x}{5 c \left (c-a^2 c x^2\right )^{3/2}}-\frac{2 (1-a x)}{5 a \left (c-a^2 c x^2\right )^{5/2}} \]

Antiderivative was successfully verified.

[In]

Int[1/(E^(2*ArcTanh[a*x])*(c - a^2*c*x^2)^(5/2)),x]

[Out]

(-2*(1 - a*x))/(5*a*(c - a^2*c*x^2)^(5/2)) + x/(5*c*(c - a^2*c*x^2)^(3/2)) + (2*x)/(5*c^2*Sqrt[c - a^2*c*x^2])

Rule 6142

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

Rule 653

Int[((d_) + (e_.)*(x_))^2*((a_) + (c_.)*(x_)^2)^(p_), x_Symbol] :> Simp[(e*(d + e*x)*(a + c*x^2)^(p + 1))/(c*(
p + 1)), x] - Dist[(e^2*(p + 2))/(c*(p + 1)), Int[(a + c*x^2)^(p + 1), x], x] /; FreeQ[{a, c, d, e, p}, x] &&
EqQ[c*d^2 + a*e^2, 0] &&  !IntegerQ[p] && LtQ[p, -1]

Rule 192

Int[((a_) + (b_.)*(x_)^(n_))^(p_), x_Symbol] :> -Simp[(x*(a + b*x^n)^(p + 1))/(a*n*(p + 1)), x] + Dist[(n*(p +
1) + 1)/(a*n*(p + 1)), Int[(a + b*x^n)^(p + 1), x], x] /; FreeQ[{a, b, n, p}, x] && ILtQ[Simplify[1/n + p + 1
], 0] && NeQ[p, -1]

Rule 191

Int[((a_) + (b_.)*(x_)^(n_))^(p_), x_Symbol] :> Simp[(x*(a + b*x^n)^(p + 1))/a, x] /; FreeQ[{a, b, n, p}, x] &
& EqQ[1/n + p + 1, 0]

Rubi steps

\begin{align*} \int \frac{e^{-2 \tanh ^{-1}(a x)}}{\left (c-a^2 c x^2\right )^{5/2}} \, dx &=c \int \frac{(1-a x)^2}{\left (c-a^2 c x^2\right )^{7/2}} \, dx\\ &=-\frac{2 (1-a x)}{5 a \left (c-a^2 c x^2\right )^{5/2}}+\frac{3}{5} \int \frac{1}{\left (c-a^2 c x^2\right )^{5/2}} \, dx\\ &=-\frac{2 (1-a x)}{5 a \left (c-a^2 c x^2\right )^{5/2}}+\frac{x}{5 c \left (c-a^2 c x^2\right )^{3/2}}+\frac{2 \int \frac{1}{\left (c-a^2 c x^2\right )^{3/2}} \, dx}{5 c}\\ &=-\frac{2 (1-a x)}{5 a \left (c-a^2 c x^2\right )^{5/2}}+\frac{x}{5 c \left (c-a^2 c x^2\right )^{3/2}}+\frac{2 x}{5 c^2 \sqrt{c-a^2 c x^2}}\\ \end{align*}

Mathematica [A]  time = 0.0456087, size = 79, normalized size = 1.05 \[ \frac{\sqrt{1-a^2 x^2} \left (2 a^3 x^3+4 a^2 x^2+a x-2\right )}{5 a c^2 \sqrt{1-a x} (a x+1)^{5/2} \sqrt{c-a^2 c x^2}} \]

Antiderivative was successfully verified.

[In]

Integrate[1/(E^(2*ArcTanh[a*x])*(c - a^2*c*x^2)^(5/2)),x]

[Out]

(Sqrt[1 - a^2*x^2]*(-2 + a*x + 4*a^2*x^2 + 2*a^3*x^3))/(5*a*c^2*Sqrt[1 - a*x]*(1 + a*x)^(5/2)*Sqrt[c - a^2*c*x
^2])

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Maple [A]  time = 0.03, size = 47, normalized size = 0.6 \begin{align*}{\frac{ \left ( ax-1 \right ) ^{2} \left ( 2\,{x}^{3}{a}^{3}+4\,{a}^{2}{x}^{2}+ax-2 \right ) }{5\,a} \left ( -{a}^{2}c{x}^{2}+c \right ) ^{-{\frac{5}{2}}}} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

int(1/(a*x+1)^2*(-a^2*x^2+1)/(-a^2*c*x^2+c)^(5/2),x)

[Out]

1/5*(a*x-1)^2*(2*a^3*x^3+4*a^2*x^2+a*x-2)/(-a^2*c*x^2+c)^(5/2)/a

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Maxima [F(-2)]  time = 0., size = 0, normalized size = 0. \begin{align*} \text{Exception raised: ValueError} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(1/(a*x+1)^2*(-a^2*x^2+1)/(-a^2*c*x^2+c)^(5/2),x, algorithm="maxima")

[Out]

Exception raised: ValueError

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Fricas [A]  time = 2.91879, size = 153, normalized size = 2.04 \begin{align*} -\frac{{\left (2 \, a^{3} x^{3} + 4 \, a^{2} x^{2} + a x - 2\right )} \sqrt{-a^{2} c x^{2} + c}}{5 \,{\left (a^{5} c^{3} x^{4} + 2 \, a^{4} c^{3} x^{3} - 2 \, a^{2} c^{3} x - a c^{3}\right )}} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(1/(a*x+1)^2*(-a^2*x^2+1)/(-a^2*c*x^2+c)^(5/2),x, algorithm="fricas")

[Out]

-1/5*(2*a^3*x^3 + 4*a^2*x^2 + a*x - 2)*sqrt(-a^2*c*x^2 + c)/(a^5*c^3*x^4 + 2*a^4*c^3*x^3 - 2*a^2*c^3*x - a*c^3
)

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Sympy [F]  time = 0., size = 0, normalized size = 0. \begin{align*} - \int \frac{a x}{a^{5} c^{2} x^{5} \sqrt{- a^{2} c x^{2} + c} + a^{4} c^{2} x^{4} \sqrt{- a^{2} c x^{2} + c} - 2 a^{3} c^{2} x^{3} \sqrt{- a^{2} c x^{2} + c} - 2 a^{2} c^{2} x^{2} \sqrt{- a^{2} c x^{2} + c} + a c^{2} x \sqrt{- a^{2} c x^{2} + c} + c^{2} \sqrt{- a^{2} c x^{2} + c}}\, dx - \int - \frac{1}{a^{5} c^{2} x^{5} \sqrt{- a^{2} c x^{2} + c} + a^{4} c^{2} x^{4} \sqrt{- a^{2} c x^{2} + c} - 2 a^{3} c^{2} x^{3} \sqrt{- a^{2} c x^{2} + c} - 2 a^{2} c^{2} x^{2} \sqrt{- a^{2} c x^{2} + c} + a c^{2} x \sqrt{- a^{2} c x^{2} + c} + c^{2} \sqrt{- a^{2} c x^{2} + c}}\, dx \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(1/(a*x+1)**2*(-a**2*x**2+1)/(-a**2*c*x**2+c)**(5/2),x)

[Out]

-Integral(a*x/(a**5*c**2*x**5*sqrt(-a**2*c*x**2 + c) + a**4*c**2*x**4*sqrt(-a**2*c*x**2 + c) - 2*a**3*c**2*x**
3*sqrt(-a**2*c*x**2 + c) - 2*a**2*c**2*x**2*sqrt(-a**2*c*x**2 + c) + a*c**2*x*sqrt(-a**2*c*x**2 + c) + c**2*sq
rt(-a**2*c*x**2 + c)), x) - Integral(-1/(a**5*c**2*x**5*sqrt(-a**2*c*x**2 + c) + a**4*c**2*x**4*sqrt(-a**2*c*x
**2 + c) - 2*a**3*c**2*x**3*sqrt(-a**2*c*x**2 + c) - 2*a**2*c**2*x**2*sqrt(-a**2*c*x**2 + c) + a*c**2*x*sqrt(-
a**2*c*x**2 + c) + c**2*sqrt(-a**2*c*x**2 + c)), x)

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Giac [F]  time = 0., size = 0, normalized size = 0. \begin{align*} \int -\frac{a^{2} x^{2} - 1}{{\left (-a^{2} c x^{2} + c\right )}^{\frac{5}{2}}{\left (a x + 1\right )}^{2}}\,{d x} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(1/(a*x+1)^2*(-a^2*x^2+1)/(-a^2*c*x^2+c)^(5/2),x, algorithm="giac")

[Out]

integrate(-(a^2*x^2 - 1)/((-a^2*c*x^2 + c)^(5/2)*(a*x + 1)^2), x)