Optimal. Leaf size=116 \[ \frac {\sqrt {a^2 x^2+1} \text {Ci}\left (\tan ^{-1}(a x)\right )}{4 a^2 c^2 \sqrt {a^2 c x^2+c}}+\frac {3 \sqrt {a^2 x^2+1} \text {Ci}\left (3 \tan ^{-1}(a x)\right )}{4 a^2 c^2 \sqrt {a^2 c x^2+c}}-\frac {x}{a c \left (a^2 c x^2+c\right )^{3/2} \tan ^{-1}(a x)} \]
[Out]
________________________________________________________________________________________
Rubi [A] time = 0.50, antiderivative size = 116, normalized size of antiderivative = 1.00, number of steps used = 13, number of rules used = 8, integrand size = 22, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.364, Rules used = {4968, 4971, 4970, 4406, 3302, 4905, 4904, 3312} \[ \frac {\sqrt {a^2 x^2+1} \text {CosIntegral}\left (\tan ^{-1}(a x)\right )}{4 a^2 c^2 \sqrt {a^2 c x^2+c}}+\frac {3 \sqrt {a^2 x^2+1} \text {CosIntegral}\left (3 \tan ^{-1}(a x)\right )}{4 a^2 c^2 \sqrt {a^2 c x^2+c}}-\frac {x}{a c \left (a^2 c x^2+c\right )^{3/2} \tan ^{-1}(a x)} \]
Antiderivative was successfully verified.
[In]
[Out]
Rule 3302
Rule 3312
Rule 4406
Rule 4904
Rule 4905
Rule 4968
Rule 4970
Rule 4971
Rubi steps
\begin {align*} \int \frac {x}{\left (c+a^2 c x^2\right )^{5/2} \tan ^{-1}(a x)^2} \, dx &=-\frac {x}{a c \left (c+a^2 c x^2\right )^{3/2} \tan ^{-1}(a x)}+\frac {\int \frac {1}{\left (c+a^2 c x^2\right )^{5/2} \tan ^{-1}(a x)} \, dx}{a}-(2 a) \int \frac {x^2}{\left (c+a^2 c x^2\right )^{5/2} \tan ^{-1}(a x)} \, dx\\ &=-\frac {x}{a c \left (c+a^2 c x^2\right )^{3/2} \tan ^{-1}(a x)}+\frac {\sqrt {1+a^2 x^2} \int \frac {1}{\left (1+a^2 x^2\right )^{5/2} \tan ^{-1}(a x)} \, dx}{a c^2 \sqrt {c+a^2 c x^2}}-\frac {\left (2 a \sqrt {1+a^2 x^2}\right ) \int \frac {x^2}{\left (1+a^2 x^2\right )^{5/2} \tan ^{-1}(a x)} \, dx}{c^2 \sqrt {c+a^2 c x^2}}\\ &=-\frac {x}{a c \left (c+a^2 c x^2\right )^{3/2} \tan ^{-1}(a x)}+\frac {\sqrt {1+a^2 x^2} \operatorname {Subst}\left (\int \frac {\cos ^3(x)}{x} \, dx,x,\tan ^{-1}(a x)\right )}{a^2 c^2 \sqrt {c+a^2 c x^2}}-\frac {\left (2 \sqrt {1+a^2 x^2}\right ) \operatorname {Subst}\left (\int \frac {\cos (x) \sin ^2(x)}{x} \, dx,x,\tan ^{-1}(a x)\right )}{a^2 c^2 \sqrt {c+a^2 c x^2}}\\ &=-\frac {x}{a c \left (c+a^2 c x^2\right )^{3/2} \tan ^{-1}(a x)}+\frac {\sqrt {1+a^2 x^2} \operatorname {Subst}\left (\int \left (\frac {3 \cos (x)}{4 x}+\frac {\cos (3 x)}{4 x}\right ) \, dx,x,\tan ^{-1}(a x)\right )}{a^2 c^2 \sqrt {c+a^2 c x^2}}-\frac {\left (2 \sqrt {1+a^2 x^2}\right ) \operatorname {Subst}\left (\int \left (\frac {\cos (x)}{4 x}-\frac {\cos (3 x)}{4 x}\right ) \, dx,x,\tan ^{-1}(a x)\right )}{a^2 c^2 \sqrt {c+a^2 c x^2}}\\ &=-\frac {x}{a c \left (c+a^2 c x^2\right )^{3/2} \tan ^{-1}(a x)}+\frac {\sqrt {1+a^2 x^2} \operatorname {Subst}\left (\int \frac {\cos (3 x)}{x} \, dx,x,\tan ^{-1}(a x)\right )}{4 a^2 c^2 \sqrt {c+a^2 c x^2}}-\frac {\sqrt {1+a^2 x^2} \operatorname {Subst}\left (\int \frac {\cos (x)}{x} \, dx,x,\tan ^{-1}(a x)\right )}{2 a^2 c^2 \sqrt {c+a^2 c x^2}}+\frac {\sqrt {1+a^2 x^2} \operatorname {Subst}\left (\int \frac {\cos (3 x)}{x} \, dx,x,\tan ^{-1}(a x)\right )}{2 a^2 c^2 \sqrt {c+a^2 c x^2}}+\frac {\left (3 \sqrt {1+a^2 x^2}\right ) \operatorname {Subst}\left (\int \frac {\cos (x)}{x} \, dx,x,\tan ^{-1}(a x)\right )}{4 a^2 c^2 \sqrt {c+a^2 c x^2}}\\ &=-\frac {x}{a c \left (c+a^2 c x^2\right )^{3/2} \tan ^{-1}(a x)}+\frac {\sqrt {1+a^2 x^2} \text {Ci}\left (\tan ^{-1}(a x)\right )}{4 a^2 c^2 \sqrt {c+a^2 c x^2}}+\frac {3 \sqrt {1+a^2 x^2} \text {Ci}\left (3 \tan ^{-1}(a x)\right )}{4 a^2 c^2 \sqrt {c+a^2 c x^2}}\\ \end {align*}
________________________________________________________________________________________
Mathematica [A] time = 0.20, size = 95, normalized size = 0.82 \[ \frac {\left (a^2 x^2+1\right )^{3/2} \tan ^{-1}(a x) \text {Ci}\left (\tan ^{-1}(a x)\right )+3 \left (a^2 x^2+1\right )^{3/2} \tan ^{-1}(a x) \text {Ci}\left (3 \tan ^{-1}(a x)\right )-4 a x}{4 a^2 c^2 \left (a^2 x^2+1\right ) \sqrt {a^2 c x^2+c} \tan ^{-1}(a x)} \]
Antiderivative was successfully verified.
[In]
[Out]
________________________________________________________________________________________
fricas [F] time = 0.46, size = 0, normalized size = 0.00 \[ {\rm integral}\left (\frac {\sqrt {a^{2} c x^{2} + c} x}{{\left (a^{6} c^{3} x^{6} + 3 \, a^{4} c^{3} x^{4} + 3 \, a^{2} c^{3} x^{2} + c^{3}\right )} \arctan \left (a x\right )^{2}}, x\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
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]
[Out]
________________________________________________________________________________________
maple [C] time = 1.22, size = 601, normalized size = 5.18 \[ -\frac {\left (\arctan \left (a x \right ) \Ei \left (1, -i \arctan \left (a x \right )\right ) x^{2} a^{2}+\Ei \left (1, -i \arctan \left (a x \right )\right ) \arctan \left (a x \right )+\sqrt {a^{2} x^{2}+1}\, x a -i \sqrt {a^{2} x^{2}+1}\right ) \sqrt {a^{2} x^{2}+1}\, \sqrt {c \left (a x -i\right ) \left (a x +i\right )}}{8 \arctan \left (a x \right ) \left (a^{4} x^{4}+2 a^{2} x^{2}+1\right ) c^{3} a^{2}}-\frac {\left (3 \Ei \left (1, -3 i \arctan \left (a x \right )\right ) \arctan \left (a x \right ) x^{4} a^{4}+6 \Ei \left (1, -3 i \arctan \left (a x \right )\right ) \arctan \left (a x \right ) x^{2} a^{2}-\sqrt {a^{2} x^{2}+1}\, x^{3} a^{3}+3 i \sqrt {a^{2} x^{2}+1}\, x^{2} a^{2}+3 \Ei \left (1, -3 i \arctan \left (a x \right )\right ) \arctan \left (a x \right )+3 \sqrt {a^{2} x^{2}+1}\, x a -i \sqrt {a^{2} x^{2}+1}\right ) \sqrt {c \left (a x -i\right ) \left (a x +i\right )}}{8 \sqrt {a^{2} x^{2}+1}\, a^{2} c^{3} \left (a^{4} x^{4}+2 a^{2} x^{2}+1\right ) \arctan \left (a x \right )}-\frac {\left (3 \Ei \left (1, 3 i \arctan \left (a x \right )\right ) \arctan \left (a x \right ) x^{4} a^{4}-\sqrt {a^{2} x^{2}+1}\, x^{3} a^{3}+6 \Ei \left (1, 3 i \arctan \left (a x \right )\right ) \arctan \left (a x \right ) x^{2} a^{2}-3 i \sqrt {a^{2} x^{2}+1}\, x^{2} a^{2}+3 \sqrt {a^{2} x^{2}+1}\, x a +3 \Ei \left (1, 3 i \arctan \left (a x \right )\right ) \arctan \left (a x \right )+i \sqrt {a^{2} x^{2}+1}\right ) \sqrt {c \left (a x -i\right ) \left (a x +i\right )}}{8 \sqrt {a^{2} x^{2}+1}\, a^{2} c^{3} \left (a^{4} x^{4}+2 a^{2} x^{2}+1\right ) \arctan \left (a x \right )}-\frac {\left (\Ei \left (1, i \arctan \left (a x \right )\right ) \arctan \left (a x \right ) x^{2} a^{2}+\Ei \left (1, i \arctan \left (a x \right )\right ) \arctan \left (a x \right )+\sqrt {a^{2} x^{2}+1}\, x a +i \sqrt {a^{2} x^{2}+1}\right ) \sqrt {c \left (a x -i\right ) \left (a x +i\right )}}{8 \left (a^{2} x^{2}+1\right )^{\frac {3}{2}} \arctan \left (a x \right ) c^{3} a^{2}} \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
maxima [F] time = 0.00, size = 0, normalized size = 0.00 \[ \int \frac {x}{{\left (a^{2} c x^{2} + c\right )}^{\frac {5}{2}} \arctan \left (a x\right )^{2}}\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
mupad [F] time = 0.00, size = -1, normalized size = -0.01 \[ \int \frac {x}{{\mathrm {atan}\left (a\,x\right )}^2\,{\left (c\,a^2\,x^2+c\right )}^{5/2}} \,d x \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
sympy [F] time = 0.00, size = 0, normalized size = 0.00 \[ \int \frac {x}{\left (c \left (a^{2} x^{2} + 1\right )\right )^{\frac {5}{2}} \operatorname {atan}^{2}{\left (a x \right )}}\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________