Optimal. Leaf size=83 \[ \frac {\sqrt {\frac {\pi }{2}} S\left (2 \sqrt {\frac {2}{\pi }} \sqrt {\tan ^{-1}(a x)}\right )}{64 a^3 c^3}+\frac {\tan ^{-1}(a x)^{3/2}}{12 a^3 c^3}-\frac {\sqrt {\tan ^{-1}(a x)} \sin \left (4 \tan ^{-1}(a x)\right )}{32 a^3 c^3} \]
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Rubi [A] time = 0.14, antiderivative size = 83, normalized size of antiderivative = 1.00, number of steps used = 6, number of rules used = 5, integrand size = 24, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.208, Rules used = {4970, 4406, 3296, 3305, 3351} \[ \frac {\sqrt {\frac {\pi }{2}} S\left (2 \sqrt {\frac {2}{\pi }} \sqrt {\tan ^{-1}(a x)}\right )}{64 a^3 c^3}+\frac {\tan ^{-1}(a x)^{3/2}}{12 a^3 c^3}-\frac {\sqrt {\tan ^{-1}(a x)} \sin \left (4 \tan ^{-1}(a x)\right )}{32 a^3 c^3} \]
Antiderivative was successfully verified.
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Rule 3296
Rule 3305
Rule 3351
Rule 4406
Rule 4970
Rubi steps
\begin {align*} \int \frac {x^2 \sqrt {\tan ^{-1}(a x)}}{\left (c+a^2 c x^2\right )^3} \, dx &=\frac {\operatorname {Subst}\left (\int \sqrt {x} \cos ^2(x) \sin ^2(x) \, dx,x,\tan ^{-1}(a x)\right )}{a^3 c^3}\\ &=\frac {\operatorname {Subst}\left (\int \left (\frac {\sqrt {x}}{8}-\frac {1}{8} \sqrt {x} \cos (4 x)\right ) \, dx,x,\tan ^{-1}(a x)\right )}{a^3 c^3}\\ &=\frac {\tan ^{-1}(a x)^{3/2}}{12 a^3 c^3}-\frac {\operatorname {Subst}\left (\int \sqrt {x} \cos (4 x) \, dx,x,\tan ^{-1}(a x)\right )}{8 a^3 c^3}\\ &=\frac {\tan ^{-1}(a x)^{3/2}}{12 a^3 c^3}-\frac {\sqrt {\tan ^{-1}(a x)} \sin \left (4 \tan ^{-1}(a x)\right )}{32 a^3 c^3}+\frac {\operatorname {Subst}\left (\int \frac {\sin (4 x)}{\sqrt {x}} \, dx,x,\tan ^{-1}(a x)\right )}{64 a^3 c^3}\\ &=\frac {\tan ^{-1}(a x)^{3/2}}{12 a^3 c^3}-\frac {\sqrt {\tan ^{-1}(a x)} \sin \left (4 \tan ^{-1}(a x)\right )}{32 a^3 c^3}+\frac {\operatorname {Subst}\left (\int \sin \left (4 x^2\right ) \, dx,x,\sqrt {\tan ^{-1}(a x)}\right )}{32 a^3 c^3}\\ &=\frac {\tan ^{-1}(a x)^{3/2}}{12 a^3 c^3}+\frac {\sqrt {\frac {\pi }{2}} S\left (2 \sqrt {\frac {2}{\pi }} \sqrt {\tan ^{-1}(a x)}\right )}{64 a^3 c^3}-\frac {\sqrt {\tan ^{-1}(a x)} \sin \left (4 \tan ^{-1}(a x)\right )}{32 a^3 c^3}\\ \end {align*}
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Mathematica [C] time = 0.42, size = 141, normalized size = 1.70 \[ \frac {32 \tan ^{-1}(a x) \left (3 a x \left (a^2 x^2-1\right )+2 \left (a^2 x^2+1\right )^2 \tan ^{-1}(a x)\right )-3 \left (a^2 x^2+1\right )^2 \sqrt {-i \tan ^{-1}(a x)} \Gamma \left (\frac {1}{2},-4 i \tan ^{-1}(a x)\right )-3 \left (a^2 x^2+1\right )^2 \sqrt {i \tan ^{-1}(a x)} \Gamma \left (\frac {1}{2},4 i \tan ^{-1}(a x)\right )}{768 a^3 c^3 \left (a^2 x^2+1\right )^2 \sqrt {\tan ^{-1}(a x)}} \]
Warning: Unable to verify antiderivative.
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fricas [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.
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giac [F] time = 0.00, size = 0, normalized size = 0.00 \[ \mathit {sage}_{0} x \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.63, size = 66, normalized size = 0.80 \[ \frac {3 \sqrt {2}\, \sqrt {\pi }\, \sqrt {\arctan \left (a x \right )}\, \mathrm {S}\left (\frac {2 \sqrt {2}\, \sqrt {\arctan \left (a x \right )}}{\sqrt {\pi }}\right )+32 \arctan \left (a x \right )^{2}-12 \sin \left (4 \arctan \left (a x \right )\right ) \arctan \left (a x \right )}{384 a^{3} c^{3} \sqrt {\arctan \left (a x \right )}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [F(-2)] time = 0.00, size = 0, normalized size = 0.00 \[ \text {Exception raised: RuntimeError} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [F] time = 0.00, size = -1, normalized size = -0.01 \[ \int \frac {x^2\,\sqrt {\mathrm {atan}\left (a\,x\right )}}{{\left (c\,a^2\,x^2+c\right )}^3} \,d x \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [F] time = 0.00, size = 0, normalized size = 0.00 \[ \frac {\int \frac {x^{2} \sqrt {\operatorname {atan}{\left (a x \right )}}}{a^{6} x^{6} + 3 a^{4} x^{4} + 3 a^{2} x^{2} + 1}\, dx}{c^{3}} \]
Verification of antiderivative is not currently implemented for this CAS.
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