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

Optimal. Leaf size=101 \[ \frac {\text {Int}\left (\frac {x}{\sqrt {a^2 c x^2+c} \tan ^{-1}(a x)^2},x\right )}{a^2 c}-\frac {\sqrt {a^2 x^2+1} \text {Ci}\left (\tan ^{-1}(a x)\right )}{a^4 c \sqrt {a^2 c x^2+c}}+\frac {x}{a^3 c \sqrt {a^2 c x^2+c} \tan ^{-1}(a x)} \]

[Out]

x/a^3/c/arctan(a*x)/(a^2*c*x^2+c)^(1/2)-Ci(arctan(a*x))*(a^2*x^2+1)^(1/2)/a^4/c/(a^2*c*x^2+c)^(1/2)+Unintegrab
le(x/arctan(a*x)^2/(a^2*c*x^2+c)^(1/2),x)/a^2/c

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Rubi [A]  time = 0.37, antiderivative size = 0, normalized size of antiderivative = 0.00, number of steps used = 0, number of rules used = 0, integrand size = 0, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.000, Rules used = {} \[ \int \frac {x^3}{\left (c+a^2 c x^2\right )^{3/2} \tan ^{-1}(a x)^2} \, dx \]

Verification is Not applicable to the result.

[In]

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

[Out]

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

Rubi steps

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

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Mathematica [A]  time = 9.96, size = 0, normalized size = 0.00 \[ \int \frac {x^3}{\left (c+a^2 c x^2\right )^{3/2} \tan ^{-1}(a x)^2} \, dx \]

Verification is Not applicable to the result.

[In]

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

[Out]

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

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fricas [A]  time = 0.64, size = 0, normalized size = 0.00 \[ {\rm integral}\left (\frac {\sqrt {a^{2} c x^{2} + c} x^{3}}{{\left (a^{4} c^{2} x^{4} + 2 \, a^{2} c^{2} x^{2} + c^{2}\right )} \arctan \left (a x\right )^{2}}, x\right ) \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

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

[Out]

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

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giac [F(-2)]  time = 0.00, size = 0, normalized size = 0.00 \[ \text {Exception raised: TypeError} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

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

[Out]

Exception raised: TypeError >> An error occurred running a Giac command:INPUT:sage2:=int(sage0,x):;OUTPUT:sym2
poly/r2sym(const gen & e,const index_m & i,const vecteur & l) Error: Bad Argument Value

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maple [A]  time = 3.20, size = 0, normalized size = 0.00 \[ \int \frac {x^{3}}{\left (a^{2} c \,x^{2}+c \right )^{\frac {3}{2}} \arctan \left (a x \right )^{2}}\, dx \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

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

[Out]

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

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maxima [A]  time = 0.00, size = 0, normalized size = 0.00 \[ \int \frac {x^{3}}{{\left (a^{2} c x^{2} + c\right )}^{\frac {3}{2}} \arctan \left (a x\right )^{2}}\,{d x} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

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

[Out]

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

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mupad [A]  time = 0.00, size = -1, normalized size = -0.01 \[ \int \frac {x^3}{{\mathrm {atan}\left (a\,x\right )}^2\,{\left (c\,a^2\,x^2+c\right )}^{3/2}} \,d x \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

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

[Out]

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

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sympy [A]  time = 0.00, size = 0, normalized size = 0.00 \[ \int \frac {x^{3}}{\left (c \left (a^{2} x^{2} + 1\right )\right )^{\frac {3}{2}} \operatorname {atan}^{2}{\left (a x \right )}}\, dx \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

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

[Out]

Integral(x**3/((c*(a**2*x**2 + 1))**(3/2)*atan(a*x)**2), x)

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