Optimal. Leaf size=43 \[ -\frac {x^3}{2 a c \text {ArcTan}(a x)^2}+\frac {3 \text {Int}\left (\frac {x^2}{\text {ArcTan}(a x)^2},x\right )}{2 a c} \]
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Rubi [A]
time = 0.05, 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 {x^3}{\left (c+a^2 c x^2\right ) \text {ArcTan}(a x)^3} \, dx \end {gather*}
Verification is not applicable to the result.
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Rubi steps
\begin {align*} \int \frac {x^3}{\left (c+a^2 c x^2\right ) \tan ^{-1}(a x)^3} \, dx &=-\frac {x^3}{2 a c \tan ^{-1}(a x)^2}+\frac {3 \int \frac {x^2}{\tan ^{-1}(a x)^2} \, dx}{2 a c}\\ \end {align*}
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Mathematica [A]
time = 0.66, size = 0, normalized size = 0.00 \begin {gather*} \int \frac {x^3}{\left (c+a^2 c x^2\right ) \text {ArcTan}(a x)^3} \, dx \end {gather*}
Verification is not applicable to the result.
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Maple [A]
time = 2.06, size = 0, normalized size = 0.00 \[\int \frac {x^{3}}{\left (a^{2} c \,x^{2}+c \right ) \arctan \left (a x \right )^{3}}\, dx\]
Verification of antiderivative is not currently implemented for this CAS.
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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.
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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.
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Sympy [A]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \frac {\int \frac {x^{3}}{a^{2} x^{2} \operatorname {atan}^{3}{\left (a x \right )} + \operatorname {atan}^{3}{\left (a x \right )}}\, dx}{c} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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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.
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Mupad [A]
time = 0.00, size = -1, normalized size = -0.02 \begin {gather*} \int \frac {x^3}{{\mathrm {atan}\left (a\,x\right )}^3\,\left (c\,a^2\,x^2+c\right )} \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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