\(\int \frac {1}{x^2 (c+a^2 c x^2)^{3/2} \arctan (a x)^2} \, dx\) [584]

Optimal result

Integrand size = 24, antiderivative size = 24 \[ \int \frac {1}{x^2 \left (c+a^2 c x^2\right )^{3/2} \arctan (a x)^2} \, dx=\frac {a}{c \sqrt {c+a^2 c x^2} \arctan (a x)}+\frac {a \sqrt {1+a^2 x^2} \text {Si}(\arctan (a x))}{c \sqrt {c+a^2 c x^2}}+\frac {\text {Int}\left (\frac {1}{x^2 \sqrt {c+a^2 c x^2} \arctan (a x)^2},x\right )}{c} \]

[Out]

a/c/arctan(a*x)/(a^2*c*x^2+c)^(1/2)+a*Si(arctan(a*x))*(a^2*x^2+1)^(1/2)/c/(a^2*c*x^2+c)^(1/2)+Unintegrable(1/x
^2/arctan(a*x)^2/(a^2*c*x^2+c)^(1/2),x)/c

Rubi [N/A]

Not integrable

Time = 0.29 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.00, number of steps used = 0, number of rules used = 0, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.000, Rules used = {} \[ \int \frac {1}{x^2 \left (c+a^2 c x^2\right )^{3/2} \arctan (a x)^2} \, dx=\int \frac {1}{x^2 \left (c+a^2 c x^2\right )^{3/2} \arctan (a x)^2} \, dx \]

[In]

Int[1/(x^2*(c + a^2*c*x^2)^(3/2)*ArcTan[a*x]^2),x]

[Out]

a/(c*Sqrt[c + a^2*c*x^2]*ArcTan[a*x]) + (a*Sqrt[1 + a^2*x^2]*SinIntegral[ArcTan[a*x]])/(c*Sqrt[c + a^2*c*x^2])
+ Defer[Int][1/(x^2*Sqrt[c + a^2*c*x^2]*ArcTan[a*x]^2), x]/c

Rubi steps \begin{align*} \text {integral}& = -\left (a^2 \int \frac {1}{\left (c+a^2 c x^2\right )^{3/2} \arctan (a x)^2} \, dx\right )+\frac {\int \frac {1}{x^2 \sqrt {c+a^2 c x^2} \arctan (a x)^2} \, dx}{c} \\ & = \frac {a}{c \sqrt {c+a^2 c x^2} \arctan (a x)}+a^3 \int \frac {x}{\left (c+a^2 c x^2\right )^{3/2} \arctan (a x)} \, dx+\frac {\int \frac {1}{x^2 \sqrt {c+a^2 c x^2} \arctan (a x)^2} \, dx}{c} \\ & = \frac {a}{c \sqrt {c+a^2 c x^2} \arctan (a x)}+\frac {\int \frac {1}{x^2 \sqrt {c+a^2 c x^2} \arctan (a x)^2} \, dx}{c}+\frac {\left (a^3 \sqrt {1+a^2 x^2}\right ) \int \frac {x}{\left (1+a^2 x^2\right )^{3/2} \arctan (a x)} \, dx}{c \sqrt {c+a^2 c x^2}} \\ & = \frac {a}{c \sqrt {c+a^2 c x^2} \arctan (a x)}+\frac {\int \frac {1}{x^2 \sqrt {c+a^2 c x^2} \arctan (a x)^2} \, dx}{c}+\frac {\left (a \sqrt {1+a^2 x^2}\right ) \text {Subst}\left (\int \frac {\sin (x)}{x} \, dx,x,\arctan (a x)\right )}{c \sqrt {c+a^2 c x^2}} \\ & = \frac {a}{c \sqrt {c+a^2 c x^2} \arctan (a x)}+\frac {a \sqrt {1+a^2 x^2} \text {Si}(\arctan (a x))}{c \sqrt {c+a^2 c x^2}}+\frac {\int \frac {1}{x^2 \sqrt {c+a^2 c x^2} \arctan (a x)^2} \, dx}{c} \\ \end{align*}

Mathematica [N/A]

Not integrable

Time = 3.90 (sec) , antiderivative size = 26, normalized size of antiderivative = 1.08 \[ \int \frac {1}{x^2 \left (c+a^2 c x^2\right )^{3/2} \arctan (a x)^2} \, dx=\int \frac {1}{x^2 \left (c+a^2 c x^2\right )^{3/2} \arctan (a x)^2} \, dx \]

[In]

Integrate[1/(x^2*(c + a^2*c*x^2)^(3/2)*ArcTan[a*x]^2),x]

[Out]

Integrate[1/(x^2*(c + a^2*c*x^2)^(3/2)*ArcTan[a*x]^2), x]

Maple [N/A] (verified)

Not integrable

Time = 3.88 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.92

\[\int \frac {1}{x^{2} \left (a^{2} c \,x^{2}+c \right )^{\frac {3}{2}} \arctan \left (a x \right )^{2}}d x\]

[In]

int(1/x^2/(a^2*c*x^2+c)^(3/2)/arctan(a*x)^2,x)

[Out]

int(1/x^2/(a^2*c*x^2+c)^(3/2)/arctan(a*x)^2,x)

Fricas [N/A]

Not integrable

Time = 0.24 (sec) , antiderivative size = 52, normalized size of antiderivative = 2.17 \[ \int \frac {1}{x^2 \left (c+a^2 c x^2\right )^{3/2} \arctan (a x)^2} \, dx=\int { \frac {1}{{\left (a^{2} c x^{2} + c\right )}^{\frac {3}{2}} x^{2} \arctan \left (a x\right )^{2}} \,d x } \]

[In]

integrate(1/x^2/(a^2*c*x^2+c)^(3/2)/arctan(a*x)^2,x, algorithm="fricas")

[Out]

integral(sqrt(a^2*c*x^2 + c)/((a^4*c^2*x^6 + 2*a^2*c^2*x^4 + c^2*x^2)*arctan(a*x)^2), x)

Sympy [N/A]

Not integrable

Time = 6.06 (sec) , antiderivative size = 26, normalized size of antiderivative = 1.08 \[ \int \frac {1}{x^2 \left (c+a^2 c x^2\right )^{3/2} \arctan (a x)^2} \, dx=\int \frac {1}{x^{2} \left (c \left (a^{2} x^{2} + 1\right )\right )^{\frac {3}{2}} \operatorname {atan}^{2}{\left (a x \right )}}\, dx \]

[In]

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

[Out]

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

Maxima [N/A]

Not integrable

Time = 0.37 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.00 \[ \int \frac {1}{x^2 \left (c+a^2 c x^2\right )^{3/2} \arctan (a x)^2} \, dx=\int { \frac {1}{{\left (a^{2} c x^{2} + c\right )}^{\frac {3}{2}} x^{2} \arctan \left (a x\right )^{2}} \,d x } \]

[In]

integrate(1/x^2/(a^2*c*x^2+c)^(3/2)/arctan(a*x)^2,x, algorithm="maxima")

[Out]

integrate(1/((a^2*c*x^2 + c)^(3/2)*x^2*arctan(a*x)^2), x)

Giac [N/A]

Not integrable

Time = 62.37 (sec) , antiderivative size = 3, normalized size of antiderivative = 0.12 \[ \int \frac {1}{x^2 \left (c+a^2 c x^2\right )^{3/2} \arctan (a x)^2} \, dx=\int { \frac {1}{{\left (a^{2} c x^{2} + c\right )}^{\frac {3}{2}} x^{2} \arctan \left (a x\right )^{2}} \,d x } \]

[In]

integrate(1/x^2/(a^2*c*x^2+c)^(3/2)/arctan(a*x)^2,x, algorithm="giac")

[Out]

sage0*x

Mupad [N/A]

Not integrable

Time = 0.49 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.00 \[ \int \frac {1}{x^2 \left (c+a^2 c x^2\right )^{3/2} \arctan (a x)^2} \, dx=\int \frac {1}{x^2\,{\mathrm {atan}\left (a\,x\right )}^2\,{\left (c\,a^2\,x^2+c\right )}^{3/2}} \,d x \]

[In]

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

[Out]

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