3.989 \(\int \frac{x^4}{(c+a^2 c x^2)^2 \tan ^{-1}(a x)^{3/2}} \, dx\)

Optimal. Leaf size=91 \[ \frac{8 \text{Unintegrable}\left (\frac{x^3}{\left (a^2 c x^2+c\right )^2 \sqrt{\tan ^{-1}(a x)}},x\right )}{a}+4 a \text{Unintegrable}\left (\frac{x^5}{\left (a^2 c x^2+c\right )^2 \sqrt{\tan ^{-1}(a x)}},x\right )-\frac{2 x^4}{a c^2 \left (a^2 x^2+1\right ) \sqrt{\tan ^{-1}(a x)}} \]

[Out]

(-2*x^4)/(a*c^2*(1 + a^2*x^2)*Sqrt[ArcTan[a*x]]) + (8*Unintegrable[x^3/((c + a^2*c*x^2)^2*Sqrt[ArcTan[a*x]]),
x])/a + 4*a*Unintegrable[x^5/((c + a^2*c*x^2)^2*Sqrt[ArcTan[a*x]]), x]

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Rubi [A]  time = 0.198846, 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 = {} \[ \int \frac{x^4}{\left (c+a^2 c x^2\right )^2 \tan ^{-1}(a x)^{3/2}} \, dx \]

Verification is Not applicable to the result.

[In]

Int[x^4/((c + a^2*c*x^2)^2*ArcTan[a*x]^(3/2)),x]

[Out]

(-2*x^4)/(a*c^2*(1 + a^2*x^2)*Sqrt[ArcTan[a*x]]) + (8*Defer[Int][x^3/((c + a^2*c*x^2)^2*Sqrt[ArcTan[a*x]]), x]
)/a + 4*a*Defer[Int][x^5/((c + a^2*c*x^2)^2*Sqrt[ArcTan[a*x]]), x]

Rubi steps

\begin{align*} \int \frac{x^4}{\left (c+a^2 c x^2\right )^2 \tan ^{-1}(a x)^{3/2}} \, dx &=-\frac{2 x^4}{a c^2 \left (1+a^2 x^2\right ) \sqrt{\tan ^{-1}(a x)}}+\frac{8 \int \frac{x^3}{\left (c+a^2 c x^2\right )^2 \sqrt{\tan ^{-1}(a x)}} \, dx}{a}+(4 a) \int \frac{x^5}{\left (c+a^2 c x^2\right )^2 \sqrt{\tan ^{-1}(a x)}} \, dx\\ \end{align*}

Mathematica [A]  time = 4.16415, size = 0, normalized size = 0. \[ \int \frac{x^4}{\left (c+a^2 c x^2\right )^2 \tan ^{-1}(a x)^{3/2}} \, dx \]

Verification is Not applicable to the result.

[In]

Integrate[x^4/((c + a^2*c*x^2)^2*ArcTan[a*x]^(3/2)),x]

[Out]

Integrate[x^4/((c + a^2*c*x^2)^2*ArcTan[a*x]^(3/2)), x]

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Maple [A]  time = 0.501, size = 0, normalized size = 0. \begin{align*} \int{\frac{{x}^{4}}{ \left ({a}^{2}c{x}^{2}+c \right ) ^{2}} \left ( \arctan \left ( ax \right ) \right ) ^{-{\frac{3}{2}}}}\, dx \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

int(x^4/(a^2*c*x^2+c)^2/arctan(a*x)^(3/2),x)

[Out]

int(x^4/(a^2*c*x^2+c)^2/arctan(a*x)^(3/2),x)

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

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(x^4/(a^2*c*x^2+c)^2/arctan(a*x)^(3/2),x, algorithm="maxima")

[Out]

Exception raised: RuntimeError

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

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(x^4/(a^2*c*x^2+c)^2/arctan(a*x)^(3/2),x, algorithm="fricas")

[Out]

Exception raised: UnboundLocalError

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Sympy [A]  time = 0., size = 0, normalized size = 0. \begin{align*} \frac{\int \frac{x^{4}}{a^{4} x^{4} \operatorname{atan}^{\frac{3}{2}}{\left (a x \right )} + 2 a^{2} x^{2} \operatorname{atan}^{\frac{3}{2}}{\left (a x \right )} + \operatorname{atan}^{\frac{3}{2}}{\left (a x \right )}}\, dx}{c^{2}} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(x**4/(a**2*c*x**2+c)**2/atan(a*x)**(3/2),x)

[Out]

Integral(x**4/(a**4*x**4*atan(a*x)**(3/2) + 2*a**2*x**2*atan(a*x)**(3/2) + atan(a*x)**(3/2)), x)/c**2

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Giac [A]  time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{x^{4}}{{\left (a^{2} c x^{2} + c\right )}^{2} \arctan \left (a x\right )^{\frac{3}{2}}}\,{d x} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(x^4/(a^2*c*x^2+c)^2/arctan(a*x)^(3/2),x, algorithm="giac")

[Out]

integrate(x^4/((a^2*c*x^2 + c)^2*arctan(a*x)^(3/2)), x)