Optimal. Leaf size=71 \[ \frac{5 \text{CosIntegral}\left (2 \sin ^{-1}(a x)\right )}{16 a^6}-\frac{\text{CosIntegral}\left (4 \sin ^{-1}(a x)\right )}{2 a^6}+\frac{3 \text{CosIntegral}\left (6 \sin ^{-1}(a x)\right )}{16 a^6}-\frac{x^5 \sqrt{1-a^2 x^2}}{a \sin ^{-1}(a x)} \]
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Rubi [A] time = 0.0634923, antiderivative size = 71, normalized size of antiderivative = 1., number of steps used = 5, number of rules used = 2, integrand size = 10, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.2, Rules used = {4631, 3302} \[ \frac{5 \text{CosIntegral}\left (2 \sin ^{-1}(a x)\right )}{16 a^6}-\frac{\text{CosIntegral}\left (4 \sin ^{-1}(a x)\right )}{2 a^6}+\frac{3 \text{CosIntegral}\left (6 \sin ^{-1}(a x)\right )}{16 a^6}-\frac{x^5 \sqrt{1-a^2 x^2}}{a \sin ^{-1}(a x)} \]
Antiderivative was successfully verified.
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Rule 4631
Rule 3302
Rubi steps
\begin{align*} \int \frac{x^5}{\sin ^{-1}(a x)^2} \, dx &=-\frac{x^5 \sqrt{1-a^2 x^2}}{a \sin ^{-1}(a x)}+\frac{\operatorname{Subst}\left (\int \left (\frac{5 \cos (2 x)}{16 x}-\frac{\cos (4 x)}{2 x}+\frac{3 \cos (6 x)}{16 x}\right ) \, dx,x,\sin ^{-1}(a x)\right )}{a^6}\\ &=-\frac{x^5 \sqrt{1-a^2 x^2}}{a \sin ^{-1}(a x)}+\frac{3 \operatorname{Subst}\left (\int \frac{\cos (6 x)}{x} \, dx,x,\sin ^{-1}(a x)\right )}{16 a^6}+\frac{5 \operatorname{Subst}\left (\int \frac{\cos (2 x)}{x} \, dx,x,\sin ^{-1}(a x)\right )}{16 a^6}-\frac{\operatorname{Subst}\left (\int \frac{\cos (4 x)}{x} \, dx,x,\sin ^{-1}(a x)\right )}{2 a^6}\\ &=-\frac{x^5 \sqrt{1-a^2 x^2}}{a \sin ^{-1}(a x)}+\frac{5 \text{Ci}\left (2 \sin ^{-1}(a x)\right )}{16 a^6}-\frac{\text{Ci}\left (4 \sin ^{-1}(a x)\right )}{2 a^6}+\frac{3 \text{Ci}\left (6 \sin ^{-1}(a x)\right )}{16 a^6}\\ \end{align*}
Mathematica [A] time = 0.0445183, size = 78, normalized size = 1.1 \[ -\frac{-10 \sin ^{-1}(a x) \text{CosIntegral}\left (2 \sin ^{-1}(a x)\right )+16 \sin ^{-1}(a x) \text{CosIntegral}\left (4 \sin ^{-1}(a x)\right )-6 \sin ^{-1}(a x) \text{CosIntegral}\left (6 \sin ^{-1}(a x)\right )+5 \sin \left (2 \sin ^{-1}(a x)\right )-4 \sin \left (4 \sin ^{-1}(a x)\right )+\sin \left (6 \sin ^{-1}(a x)\right )}{32 a^6 \sin ^{-1}(a x)} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.033, size = 78, normalized size = 1.1 \begin{align*}{\frac{1}{{a}^{6}} \left ( -{\frac{5\,\sin \left ( 2\,\arcsin \left ( ax \right ) \right ) }{32\,\arcsin \left ( ax \right ) }}+{\frac{5\,{\it Ci} \left ( 2\,\arcsin \left ( ax \right ) \right ) }{16}}+{\frac{\sin \left ( 4\,\arcsin \left ( ax \right ) \right ) }{8\,\arcsin \left ( ax \right ) }}-{\frac{{\it Ci} \left ( 4\,\arcsin \left ( ax \right ) \right ) }{2}}-{\frac{\sin \left ( 6\,\arcsin \left ( ax \right ) \right ) }{32\,\arcsin \left ( ax \right ) }}+{\frac{3\,{\it Ci} \left ( 6\,\arcsin \left ( ax \right ) \right ) }{16}} \right ) } \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F(-1)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Timed out} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [F] time = 0., size = 0, normalized size = 0. \begin{align*}{\rm integral}\left (\frac{x^{5}}{\arcsin \left (a x\right )^{2}}, x\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{x^{5}}{\operatorname{asin}^{2}{\left (a x \right )}}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.31122, size = 162, normalized size = 2.28 \begin{align*} -\frac{{\left (a^{2} x^{2} - 1\right )}^{2} \sqrt{-a^{2} x^{2} + 1} x}{a^{5} \arcsin \left (a x\right )} + \frac{2 \,{\left (-a^{2} x^{2} + 1\right )}^{\frac{3}{2}} x}{a^{5} \arcsin \left (a x\right )} - \frac{\sqrt{-a^{2} x^{2} + 1} x}{a^{5} \arcsin \left (a x\right )} + \frac{3 \, \operatorname{Ci}\left (6 \, \arcsin \left (a x\right )\right )}{16 \, a^{6}} - \frac{\operatorname{Ci}\left (4 \, \arcsin \left (a x\right )\right )}{2 \, a^{6}} + \frac{5 \, \operatorname{Ci}\left (2 \, \arcsin \left (a x\right )\right )}{16 \, a^{6}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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