3.299 \(\int \frac{1}{(1-a^2 x^2)^2 \tanh ^{-1}(a x)^6} \, dx\)

Optimal. Leaf size=154 \[ -\frac{x}{15 \left (1-a^2 x^2\right ) \tanh ^{-1}(a x)^2}-\frac{x}{10 \left (1-a^2 x^2\right ) \tanh ^{-1}(a x)^4}-\frac{a^2 x^2+1}{15 a \left (1-a^2 x^2\right ) \tanh ^{-1}(a x)}-\frac{a^2 x^2+1}{30 a \left (1-a^2 x^2\right ) \tanh ^{-1}(a x)^3}-\frac{1}{5 a \left (1-a^2 x^2\right ) \tanh ^{-1}(a x)^5}+\frac{2 \text{Shi}\left (2 \tanh ^{-1}(a x)\right )}{15 a} \]

[Out]

-1/(5*a*(1 - a^2*x^2)*ArcTanh[a*x]^5) - x/(10*(1 - a^2*x^2)*ArcTanh[a*x]^4) - (1 + a^2*x^2)/(30*a*(1 - a^2*x^2
)*ArcTanh[a*x]^3) - x/(15*(1 - a^2*x^2)*ArcTanh[a*x]^2) - (1 + a^2*x^2)/(15*a*(1 - a^2*x^2)*ArcTanh[a*x]) + (2
*SinhIntegral[2*ArcTanh[a*x]])/(15*a)

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Rubi [A]  time = 0.195573, antiderivative size = 154, normalized size of antiderivative = 1., number of steps used = 7, number of rules used = 6, integrand size = 19, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.316, Rules used = {5966, 5996, 6034, 5448, 12, 3298} \[ -\frac{x}{15 \left (1-a^2 x^2\right ) \tanh ^{-1}(a x)^2}-\frac{x}{10 \left (1-a^2 x^2\right ) \tanh ^{-1}(a x)^4}-\frac{a^2 x^2+1}{15 a \left (1-a^2 x^2\right ) \tanh ^{-1}(a x)}-\frac{a^2 x^2+1}{30 a \left (1-a^2 x^2\right ) \tanh ^{-1}(a x)^3}-\frac{1}{5 a \left (1-a^2 x^2\right ) \tanh ^{-1}(a x)^5}+\frac{2 \text{Shi}\left (2 \tanh ^{-1}(a x)\right )}{15 a} \]

Antiderivative was successfully verified.

[In]

Int[1/((1 - a^2*x^2)^2*ArcTanh[a*x]^6),x]

[Out]

-1/(5*a*(1 - a^2*x^2)*ArcTanh[a*x]^5) - x/(10*(1 - a^2*x^2)*ArcTanh[a*x]^4) - (1 + a^2*x^2)/(30*a*(1 - a^2*x^2
)*ArcTanh[a*x]^3) - x/(15*(1 - a^2*x^2)*ArcTanh[a*x]^2) - (1 + a^2*x^2)/(15*a*(1 - a^2*x^2)*ArcTanh[a*x]) + (2
*SinhIntegral[2*ArcTanh[a*x]])/(15*a)

Rule 5966

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

Rule 5996

Int[(((a_.) + ArcTanh[(c_.)*(x_)]*(b_.))^(p_)*(x_))/((d_) + (e_.)*(x_)^2)^2, x_Symbol] :> Simp[(x*(a + b*ArcTa
nh[c*x])^(p + 1))/(b*c*d*(p + 1)*(d + e*x^2)), x] + (Dist[4/(b^2*(p + 1)*(p + 2)), Int[(x*(a + b*ArcTanh[c*x])
^(p + 2))/(d + e*x^2)^2, x], x] + Simp[((1 + c^2*x^2)*(a + b*ArcTanh[c*x])^(p + 2))/(b^2*e*(p + 1)*(p + 2)*(d
+ e*x^2)), x]) /; FreeQ[{a, b, c, d, e}, x] && EqQ[c^2*d + e, 0] && LtQ[p, -1] && NeQ[p, -2]

Rule 6034

Int[((a_.) + ArcTanh[(c_.)*(x_)]*(b_.))^(p_.)*(x_)^(m_.)*((d_) + (e_.)*(x_)^2)^(q_), x_Symbol] :> Dist[d^q/c^(
m + 1), Subst[Int[((a + b*x)^p*Sinh[x]^m)/Cosh[x]^(m + 2*(q + 1)), x], x, ArcTanh[c*x]], x] /; FreeQ[{a, b, c,
d, e, p}, x] && EqQ[c^2*d + e, 0] && IGtQ[m, 0] && ILtQ[m + 2*q + 1, 0] && (IntegerQ[q] || GtQ[d, 0])

Rule 5448

Int[Cosh[(a_.) + (b_.)*(x_)]^(p_.)*((c_.) + (d_.)*(x_))^(m_.)*Sinh[(a_.) + (b_.)*(x_)]^(n_.), x_Symbol] :> Int
[ExpandTrigReduce[(c + d*x)^m, Sinh[a + b*x]^n*Cosh[a + b*x]^p, x], x] /; FreeQ[{a, b, c, d, m}, x] && IGtQ[n,
0] && IGtQ[p, 0]

Rule 12

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

Rule 3298

Int[sin[(e_.) + (Complex[0, fz_])*(f_.)*(x_)]/((c_.) + (d_.)*(x_)), x_Symbol] :> Simp[(I*SinhIntegral[(c*f*fz)
/d + f*fz*x])/d, x] /; FreeQ[{c, d, e, f, fz}, x] && EqQ[d*e - c*f*fz*I, 0]

Rubi steps

\begin{align*} \int \frac{1}{\left (1-a^2 x^2\right )^2 \tanh ^{-1}(a x)^6} \, dx &=-\frac{1}{5 a \left (1-a^2 x^2\right ) \tanh ^{-1}(a x)^5}+\frac{1}{5} (2 a) \int \frac{x}{\left (1-a^2 x^2\right )^2 \tanh ^{-1}(a x)^5} \, dx\\ &=-\frac{1}{5 a \left (1-a^2 x^2\right ) \tanh ^{-1}(a x)^5}-\frac{x}{10 \left (1-a^2 x^2\right ) \tanh ^{-1}(a x)^4}-\frac{1+a^2 x^2}{30 a \left (1-a^2 x^2\right ) \tanh ^{-1}(a x)^3}+\frac{1}{15} (2 a) \int \frac{x}{\left (1-a^2 x^2\right )^2 \tanh ^{-1}(a x)^3} \, dx\\ &=-\frac{1}{5 a \left (1-a^2 x^2\right ) \tanh ^{-1}(a x)^5}-\frac{x}{10 \left (1-a^2 x^2\right ) \tanh ^{-1}(a x)^4}-\frac{1+a^2 x^2}{30 a \left (1-a^2 x^2\right ) \tanh ^{-1}(a x)^3}-\frac{x}{15 \left (1-a^2 x^2\right ) \tanh ^{-1}(a x)^2}-\frac{1+a^2 x^2}{15 a \left (1-a^2 x^2\right ) \tanh ^{-1}(a x)}+\frac{1}{15} (4 a) \int \frac{x}{\left (1-a^2 x^2\right )^2 \tanh ^{-1}(a x)} \, dx\\ &=-\frac{1}{5 a \left (1-a^2 x^2\right ) \tanh ^{-1}(a x)^5}-\frac{x}{10 \left (1-a^2 x^2\right ) \tanh ^{-1}(a x)^4}-\frac{1+a^2 x^2}{30 a \left (1-a^2 x^2\right ) \tanh ^{-1}(a x)^3}-\frac{x}{15 \left (1-a^2 x^2\right ) \tanh ^{-1}(a x)^2}-\frac{1+a^2 x^2}{15 a \left (1-a^2 x^2\right ) \tanh ^{-1}(a x)}+\frac{4 \operatorname{Subst}\left (\int \frac{\cosh (x) \sinh (x)}{x} \, dx,x,\tanh ^{-1}(a x)\right )}{15 a}\\ &=-\frac{1}{5 a \left (1-a^2 x^2\right ) \tanh ^{-1}(a x)^5}-\frac{x}{10 \left (1-a^2 x^2\right ) \tanh ^{-1}(a x)^4}-\frac{1+a^2 x^2}{30 a \left (1-a^2 x^2\right ) \tanh ^{-1}(a x)^3}-\frac{x}{15 \left (1-a^2 x^2\right ) \tanh ^{-1}(a x)^2}-\frac{1+a^2 x^2}{15 a \left (1-a^2 x^2\right ) \tanh ^{-1}(a x)}+\frac{4 \operatorname{Subst}\left (\int \frac{\sinh (2 x)}{2 x} \, dx,x,\tanh ^{-1}(a x)\right )}{15 a}\\ &=-\frac{1}{5 a \left (1-a^2 x^2\right ) \tanh ^{-1}(a x)^5}-\frac{x}{10 \left (1-a^2 x^2\right ) \tanh ^{-1}(a x)^4}-\frac{1+a^2 x^2}{30 a \left (1-a^2 x^2\right ) \tanh ^{-1}(a x)^3}-\frac{x}{15 \left (1-a^2 x^2\right ) \tanh ^{-1}(a x)^2}-\frac{1+a^2 x^2}{15 a \left (1-a^2 x^2\right ) \tanh ^{-1}(a x)}+\frac{2 \operatorname{Subst}\left (\int \frac{\sinh (2 x)}{x} \, dx,x,\tanh ^{-1}(a x)\right )}{15 a}\\ &=-\frac{1}{5 a \left (1-a^2 x^2\right ) \tanh ^{-1}(a x)^5}-\frac{x}{10 \left (1-a^2 x^2\right ) \tanh ^{-1}(a x)^4}-\frac{1+a^2 x^2}{30 a \left (1-a^2 x^2\right ) \tanh ^{-1}(a x)^3}-\frac{x}{15 \left (1-a^2 x^2\right ) \tanh ^{-1}(a x)^2}-\frac{1+a^2 x^2}{15 a \left (1-a^2 x^2\right ) \tanh ^{-1}(a x)}+\frac{2 \text{Shi}\left (2 \tanh ^{-1}(a x)\right )}{15 a}\\ \end{align*}

Mathematica [A]  time = 0.123685, size = 101, normalized size = 0.66 \[ \frac{4 \left (a^2 x^2-1\right ) \tanh ^{-1}(a x)^5 \text{Shi}\left (2 \tanh ^{-1}(a x)\right )+2 \left (a^2 x^2+1\right ) \tanh ^{-1}(a x)^4+\left (a^2 x^2+1\right ) \tanh ^{-1}(a x)^2+2 a x \tanh ^{-1}(a x)^3+3 a x \tanh ^{-1}(a x)+6}{30 a \left (a^2 x^2-1\right ) \tanh ^{-1}(a x)^5} \]

Antiderivative was successfully verified.

[In]

Integrate[1/((1 - a^2*x^2)^2*ArcTanh[a*x]^6),x]

[Out]

(6 + 3*a*x*ArcTanh[a*x] + (1 + a^2*x^2)*ArcTanh[a*x]^2 + 2*a*x*ArcTanh[a*x]^3 + 2*(1 + a^2*x^2)*ArcTanh[a*x]^4
+ 4*(-1 + a^2*x^2)*ArcTanh[a*x]^5*SinhIntegral[2*ArcTanh[a*x]])/(30*a*(-1 + a^2*x^2)*ArcTanh[a*x]^5)

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Maple [A]  time = 0.067, size = 98, normalized size = 0.6 \begin{align*}{\frac{1}{a} \left ( -{\frac{1}{10\, \left ({\it Artanh} \left ( ax \right ) \right ) ^{5}}}-{\frac{\cosh \left ( 2\,{\it Artanh} \left ( ax \right ) \right ) }{10\, \left ({\it Artanh} \left ( ax \right ) \right ) ^{5}}}-{\frac{\sinh \left ( 2\,{\it Artanh} \left ( ax \right ) \right ) }{20\, \left ({\it Artanh} \left ( ax \right ) \right ) ^{4}}}-{\frac{\cosh \left ( 2\,{\it Artanh} \left ( ax \right ) \right ) }{30\, \left ({\it Artanh} \left ( ax \right ) \right ) ^{3}}}-{\frac{\sinh \left ( 2\,{\it Artanh} \left ( ax \right ) \right ) }{30\, \left ({\it Artanh} \left ( ax \right ) \right ) ^{2}}}-{\frac{\cosh \left ( 2\,{\it Artanh} \left ( ax \right ) \right ) }{15\,{\it Artanh} \left ( ax \right ) }}+{\frac{2\,{\it Shi} \left ( 2\,{\it Artanh} \left ( ax \right ) \right ) }{15}} \right ) } \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

int(1/(-a^2*x^2+1)^2/arctanh(a*x)^6,x)

[Out]

1/a*(-1/10/arctanh(a*x)^5-1/10/arctanh(a*x)^5*cosh(2*arctanh(a*x))-1/20/arctanh(a*x)^4*sinh(2*arctanh(a*x))-1/
30/arctanh(a*x)^3*cosh(2*arctanh(a*x))-1/30/arctanh(a*x)^2*sinh(2*arctanh(a*x))-1/15/arctanh(a*x)*cosh(2*arcta
nh(a*x))+2/15*Shi(2*arctanh(a*x)))

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Maxima [F]  time = 0., size = 0, normalized size = 0. \begin{align*} -8 \, a \int -\frac{x}{15 \,{\left ({\left (a^{4} x^{4} - 2 \, a^{2} x^{2} + 1\right )} \log \left (a x + 1\right ) -{\left (a^{4} x^{4} - 2 \, a^{2} x^{2} + 1\right )} \log \left (-a x + 1\right )\right )}}\,{d x} + \frac{2 \,{\left (2 \, a x \log \left (a x + 1\right )^{3} +{\left (a^{2} x^{2} + 1\right )} \log \left (a x + 1\right )^{4} +{\left (a^{2} x^{2} + 1\right )} \log \left (-a x + 1\right )^{4} - 2 \,{\left (a x + 2 \,{\left (a^{2} x^{2} + 1\right )} \log \left (a x + 1\right )\right )} \log \left (-a x + 1\right )^{3} + 12 \, a x \log \left (a x + 1\right ) + 2 \,{\left (a^{2} x^{2} + 1\right )} \log \left (a x + 1\right )^{2} + 2 \,{\left (a^{2} x^{2} + 3 \, a x \log \left (a x + 1\right ) + 3 \,{\left (a^{2} x^{2} + 1\right )} \log \left (a x + 1\right )^{2} + 1\right )} \log \left (-a x + 1\right )^{2} - 2 \,{\left (3 \, a x \log \left (a x + 1\right )^{2} + 2 \,{\left (a^{2} x^{2} + 1\right )} \log \left (a x + 1\right )^{3} + 6 \, a x + 2 \,{\left (a^{2} x^{2} + 1\right )} \log \left (a x + 1\right )\right )} \log \left (-a x + 1\right ) + 48\right )}}{15 \,{\left ({\left (a^{3} x^{2} - a\right )} \log \left (a x + 1\right )^{5} - 5 \,{\left (a^{3} x^{2} - a\right )} \log \left (a x + 1\right )^{4} \log \left (-a x + 1\right ) + 10 \,{\left (a^{3} x^{2} - a\right )} \log \left (a x + 1\right )^{3} \log \left (-a x + 1\right )^{2} - 10 \,{\left (a^{3} x^{2} - a\right )} \log \left (a x + 1\right )^{2} \log \left (-a x + 1\right )^{3} + 5 \,{\left (a^{3} x^{2} - a\right )} \log \left (a x + 1\right ) \log \left (-a x + 1\right )^{4} -{\left (a^{3} x^{2} - a\right )} \log \left (-a x + 1\right )^{5}\right )}} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(1/(-a^2*x^2+1)^2/arctanh(a*x)^6,x, algorithm="maxima")

[Out]

-8*a*integrate(-1/15*x/((a^4*x^4 - 2*a^2*x^2 + 1)*log(a*x + 1) - (a^4*x^4 - 2*a^2*x^2 + 1)*log(-a*x + 1)), x)
+ 2/15*(2*a*x*log(a*x + 1)^3 + (a^2*x^2 + 1)*log(a*x + 1)^4 + (a^2*x^2 + 1)*log(-a*x + 1)^4 - 2*(a*x + 2*(a^2*
x^2 + 1)*log(a*x + 1))*log(-a*x + 1)^3 + 12*a*x*log(a*x + 1) + 2*(a^2*x^2 + 1)*log(a*x + 1)^2 + 2*(a^2*x^2 + 3
*a*x*log(a*x + 1) + 3*(a^2*x^2 + 1)*log(a*x + 1)^2 + 1)*log(-a*x + 1)^2 - 2*(3*a*x*log(a*x + 1)^2 + 2*(a^2*x^2
+ 1)*log(a*x + 1)^3 + 6*a*x + 2*(a^2*x^2 + 1)*log(a*x + 1))*log(-a*x + 1) + 48)/((a^3*x^2 - a)*log(a*x + 1)^5
- 5*(a^3*x^2 - a)*log(a*x + 1)^4*log(-a*x + 1) + 10*(a^3*x^2 - a)*log(a*x + 1)^3*log(-a*x + 1)^2 - 10*(a^3*x^
2 - a)*log(a*x + 1)^2*log(-a*x + 1)^3 + 5*(a^3*x^2 - a)*log(a*x + 1)*log(-a*x + 1)^4 - (a^3*x^2 - a)*log(-a*x
+ 1)^5)

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Fricas [A]  time = 2.01265, size = 473, normalized size = 3.07 \begin{align*} \frac{{\left ({\left (a^{2} x^{2} - 1\right )} \logintegral \left (-\frac{a x + 1}{a x - 1}\right ) -{\left (a^{2} x^{2} - 1\right )} \logintegral \left (-\frac{a x - 1}{a x + 1}\right )\right )} \log \left (-\frac{a x + 1}{a x - 1}\right )^{5} + 4 \, a x \log \left (-\frac{a x + 1}{a x - 1}\right )^{3} + 2 \,{\left (a^{2} x^{2} + 1\right )} \log \left (-\frac{a x + 1}{a x - 1}\right )^{4} + 24 \, a x \log \left (-\frac{a x + 1}{a x - 1}\right ) + 4 \,{\left (a^{2} x^{2} + 1\right )} \log \left (-\frac{a x + 1}{a x - 1}\right )^{2} + 96}{15 \,{\left (a^{3} x^{2} - a\right )} \log \left (-\frac{a x + 1}{a x - 1}\right )^{5}} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(1/(-a^2*x^2+1)^2/arctanh(a*x)^6,x, algorithm="fricas")

[Out]

1/15*(((a^2*x^2 - 1)*log_integral(-(a*x + 1)/(a*x - 1)) - (a^2*x^2 - 1)*log_integral(-(a*x - 1)/(a*x + 1)))*lo
g(-(a*x + 1)/(a*x - 1))^5 + 4*a*x*log(-(a*x + 1)/(a*x - 1))^3 + 2*(a^2*x^2 + 1)*log(-(a*x + 1)/(a*x - 1))^4 +
24*a*x*log(-(a*x + 1)/(a*x - 1)) + 4*(a^2*x^2 + 1)*log(-(a*x + 1)/(a*x - 1))^2 + 96)/((a^3*x^2 - a)*log(-(a*x
+ 1)/(a*x - 1))^5)

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Sympy [F]  time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{1}{\left (a x - 1\right )^{2} \left (a x + 1\right )^{2} \operatorname{atanh}^{6}{\left (a x \right )}}\, dx \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(1/(-a**2*x**2+1)**2/atanh(a*x)**6,x)

[Out]

Integral(1/((a*x - 1)**2*(a*x + 1)**2*atanh(a*x)**6), x)

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Giac [F]  time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{1}{{\left (a^{2} x^{2} - 1\right )}^{2} \operatorname{artanh}\left (a x\right )^{6}}\,{d x} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(1/(-a^2*x^2+1)^2/arctanh(a*x)^6,x, algorithm="giac")

[Out]

integrate(1/((a^2*x^2 - 1)^2*arctanh(a*x)^6), x)