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

Optimal. Leaf size=25 \[ \frac{\text{Unintegrable}\left (\frac{1}{\tanh ^{-1}(a x)},x\right )}{a}-\frac{x}{a \tanh ^{-1}(a x)} \]

[Out]

-(x/(a*ArcTanh[a*x])) + Unintegrable[ArcTanh[a*x]^(-1), x]/a

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Rubi [A]  time = 0.0467729, antiderivative size = 0, normalized size of antiderivative = 0., number of steps used = 0, number of rules used = 0, integrand size = 0, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0., Rules used = {} \[ \int \frac{x}{\left (1-a^2 x^2\right ) \tanh ^{-1}(a x)^2} \, dx \]

Verification is Not applicable to the result.

[In]

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

[Out]

-(x/(a*ArcTanh[a*x])) + Defer[Int][ArcTanh[a*x]^(-1), x]/a

Rubi steps

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

Mathematica [A]  time = 0.128207, size = 0, normalized size = 0. \[ \int \frac{x}{\left (1-a^2 x^2\right ) \tanh ^{-1}(a x)^2} \, dx \]

Verification is Not applicable to the result.

[In]

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

[Out]

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

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Maple [A]  time = 0.117, size = 0, normalized size = 0. \begin{align*} \int{\frac{x}{ \left ( -{a}^{2}{x}^{2}+1 \right ) \left ({\it Artanh} \left ( ax \right ) \right ) ^{2}}}\, dx \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

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

[Out]

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

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Maxima [A]  time = 0., size = 0, normalized size = 0. \begin{align*} -\frac{2 \, x}{a \log \left (a x + 1\right ) - a \log \left (-a x + 1\right )} - 2 \, \int -\frac{1}{a \log \left (a x + 1\right ) - a \log \left (-a x + 1\right )}\,{d x} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

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

[Out]

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

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Fricas [A]  time = 0., size = 0, normalized size = 0. \begin{align*}{\rm integral}\left (-\frac{x}{{\left (a^{2} x^{2} - 1\right )} \operatorname{artanh}\left (a x\right )^{2}}, x\right ) \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

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

[Out]

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

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

Verification of antiderivative is not currently implemented for this CAS.

[In]

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

[Out]

-Integral(x/(a**2*x**2*atanh(a*x)**2 - atanh(a*x)**2), x)

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

Verification of antiderivative is not currently implemented for this CAS.

[In]

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

[Out]

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