Optimal. Leaf size=18 \[ -\frac {3 \left (x^6+x^2\right )^{2/3}}{8 x^4} \]
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Rubi [A] time = 0.02, antiderivative size = 18, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 1, integrand size = 15, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.067, Rules used = {2014} \begin {gather*} -\frac {3 \left (x^6+x^2\right )^{2/3}}{8 x^4} \end {gather*}
Antiderivative was successfully verified.
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Rule 2014
Rubi steps
\begin {align*} \int \frac {1}{x^3 \sqrt [3]{x^2+x^6}} \, dx &=-\frac {3 \left (x^2+x^6\right )^{2/3}}{8 x^4}\\ \end {align*}
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Mathematica [A] time = 0.01, size = 18, normalized size = 1.00 \begin {gather*} -\frac {3 \left (x^6+x^2\right )^{2/3}}{8 x^4} \end {gather*}
Antiderivative was successfully verified.
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IntegrateAlgebraic [A] time = 0.35, size = 18, normalized size = 1.00 \begin {gather*} -\frac {3 \left (x^6+x^2\right )^{2/3}}{8 x^4} \end {gather*}
Antiderivative was successfully verified.
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fricas [A] time = 0.40, size = 14, normalized size = 0.78 \begin {gather*} -\frac {3 \, {\left (x^{6} + x^{2}\right )}^{\frac {2}{3}}}{8 \, x^{4}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.61, size = 9, normalized size = 0.50 \begin {gather*} -\frac {3}{8} \, {\left (\frac {1}{x^{4}} + 1\right )}^{\frac {2}{3}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.00, size = 20, normalized size = 1.11 \begin {gather*} -\frac {3 \left (x^{4}+1\right )}{8 x^{2} \left (x^{6}+x^{2}\right )^{\frac {1}{3}}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 0.69, size = 21, normalized size = 1.17 \begin {gather*} -\frac {3 \, {\left (x^{6} + x^{2}\right )}}{8 \, {\left (x^{4} + 1\right )}^{\frac {1}{3}} {\left (x^{2}\right )}^{\frac {7}{3}}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.15, size = 14, normalized size = 0.78 \begin {gather*} -\frac {3\,{\left (x^6+x^2\right )}^{2/3}}{8\,x^4} \end {gather*}
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 \begin {gather*} \int \frac {1}{x^{3} \sqrt [3]{x^{2} \left (x^{4} + 1\right )}}\, dx \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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