3.6.65 \(\int \frac {1}{x^3 (c+a^2 c x^2)^3 \text {ArcTan}(a x)^2} \, dx\) [565]

Optimal. Leaf size=159 \[ -\frac {1}{a c^3 x^3 \text {ArcTan}(a x)}+\frac {2 a}{c^3 x \text {ArcTan}(a x)}-\frac {a^3 x}{c^3 \left (1+a^2 x^2\right )^2 \text {ArcTan}(a x)}-\frac {2 a^3 x}{c^3 \left (1+a^2 x^2\right ) \text {ArcTan}(a x)}+\frac {5 a^2 \text {CosIntegral}(2 \text {ArcTan}(a x))}{2 c^3}+\frac {a^2 \text {CosIntegral}(4 \text {ArcTan}(a x))}{2 c^3}-\frac {3 \text {Int}\left (\frac {1}{x^4 \text {ArcTan}(a x)},x\right )}{a c^3}+\frac {2 a \text {Int}\left (\frac {1}{x^2 \text {ArcTan}(a x)},x\right )}{c^3} \]

[Out]

-1/a/c^3/x^3/arctan(a*x)+2*a/c^3/x/arctan(a*x)-a^3*x/c^3/(a^2*x^2+1)^2/arctan(a*x)-2*a^3*x/c^3/(a^2*x^2+1)/arc
tan(a*x)+5/2*a^2*Ci(2*arctan(a*x))/c^3+1/2*a^2*Ci(4*arctan(a*x))/c^3-3*Unintegrable(1/x^4/arctan(a*x),x)/a/c^3
+2*a*Unintegrable(1/x^2/arctan(a*x),x)/c^3

________________________________________________________________________________________

Rubi [A]
time = 0.86, 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 = {} \begin {gather*} \int \frac {1}{x^3 \left (c+a^2 c x^2\right )^3 \text {ArcTan}(a x)^2} \, dx \end {gather*}

Verification is not applicable to the result.

[In]

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

[Out]

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

Rubi steps

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

________________________________________________________________________________________

Mathematica [A]
time = 2.03, size = 0, normalized size = 0.00 \begin {gather*} \int \frac {1}{x^3 \left (c+a^2 c x^2\right )^3 \text {ArcTan}(a x)^2} \, dx \end {gather*}

Verification is not applicable to the result.

[In]

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

[Out]

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

________________________________________________________________________________________

Maple [A]
time = 1.56, size = 0, normalized size = 0.00 \[\int \frac {1}{x^{3} \left (a^{2} c \,x^{2}+c \right )^{3} \arctan \left (a x \right )^{2}}\, dx\]

Verification of antiderivative is not currently implemented for this CAS.

[In]

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

[Out]

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

________________________________________________________________________________________

Maxima [A]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Failed to integrate} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

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

[Out]

-((a^5*c^3*x^7 + 2*a^3*c^3*x^5 + a*c^3*x^3)*arctan(a*x)*integrate((7*a^2*x^2 + 3)/((a^7*c^3*x^10 + 3*a^5*c^3*x
^8 + 3*a^3*c^3*x^6 + a*c^3*x^4)*arctan(a*x)), x) + 1)/((a^5*c^3*x^7 + 2*a^3*c^3*x^5 + a*c^3*x^3)*arctan(a*x))

________________________________________________________________________________________

Fricas [A]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {could not integrate} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

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

[Out]

integral(1/((a^6*c^3*x^9 + 3*a^4*c^3*x^7 + 3*a^2*c^3*x^5 + c^3*x^3)*arctan(a*x)^2), x)

________________________________________________________________________________________

Sympy [A]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \frac {\int \frac {1}{a^{6} x^{9} \operatorname {atan}^{2}{\left (a x \right )} + 3 a^{4} x^{7} \operatorname {atan}^{2}{\left (a x \right )} + 3 a^{2} x^{5} \operatorname {atan}^{2}{\left (a x \right )} + x^{3} \operatorname {atan}^{2}{\left (a x \right )}}\, dx}{c^{3}} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

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

[Out]

Integral(1/(a**6*x**9*atan(a*x)**2 + 3*a**4*x**7*atan(a*x)**2 + 3*a**2*x**5*atan(a*x)**2 + x**3*atan(a*x)**2),
 x)/c**3

________________________________________________________________________________________

Giac [A]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {could not integrate} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

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

[Out]

sage0*x

________________________________________________________________________________________

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

Verification of antiderivative is not currently implemented for this CAS.

[In]

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

[Out]

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

________________________________________________________________________________________