Optimal. Leaf size=26 \[ \frac {\sqrt [3]{-1+x^3} \left (-4+x^3+3 x^6\right )}{28 x^7} \]
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Rubi [A]
time = 0.00, antiderivative size = 33, normalized size of antiderivative = 1.27, number of steps
used = 2, number of rules used = 2, integrand size = 13, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.154, Rules used = {277, 270}
\begin {gather*} \frac {\left (x^3-1\right )^{4/3}}{7 x^7}+\frac {3 \left (x^3-1\right )^{4/3}}{28 x^4} \end {gather*}
Antiderivative was successfully verified.
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Rule 270
Rule 277
Rubi steps
\begin {align*} \int \frac {\sqrt [3]{-1+x^3}}{x^8} \, dx &=\frac {\left (-1+x^3\right )^{4/3}}{7 x^7}+\frac {3}{7} \int \frac {\sqrt [3]{-1+x^3}}{x^5} \, dx\\ &=\frac {\left (-1+x^3\right )^{4/3}}{7 x^7}+\frac {3 \left (-1+x^3\right )^{4/3}}{28 x^4}\\ \end {align*}
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Mathematica [A]
time = 0.06, size = 26, normalized size = 1.00 \begin {gather*} \frac {\sqrt [3]{-1+x^3} \left (-4+x^3+3 x^6\right )}{28 x^7} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.30, size = 23, normalized size = 0.88
method | result | size |
trager | \(\frac {\left (x^{3}-1\right )^{\frac {1}{3}} \left (3 x^{6}+x^{3}-4\right )}{28 x^{7}}\) | \(23\) |
gosper | \(\frac {\left (-1+x \right ) \left (x^{2}+x +1\right ) \left (3 x^{3}+4\right ) \left (x^{3}-1\right )^{\frac {1}{3}}}{28 x^{7}}\) | \(29\) |
risch | \(\frac {3 x^{9}-2 x^{6}-5 x^{3}+4}{28 \left (x^{3}-1\right )^{\frac {2}{3}} x^{7}}\) | \(30\) |
meijerg | \(-\frac {\mathrm {signum}\left (x^{3}-1\right )^{\frac {1}{3}} \left (-\frac {3}{4} x^{6}-\frac {1}{4} x^{3}+1\right ) \left (-x^{3}+1\right )^{\frac {1}{3}}}{7 \left (-\mathrm {signum}\left (x^{3}-1\right )\right )^{\frac {1}{3}} x^{7}}\) | \(45\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.26, size = 25, normalized size = 0.96 \begin {gather*} \frac {{\left (x^{3} - 1\right )}^{\frac {4}{3}}}{4 \, x^{4}} - \frac {{\left (x^{3} - 1\right )}^{\frac {7}{3}}}{7 \, x^{7}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.35, size = 22, normalized size = 0.85 \begin {gather*} \frac {{\left (3 \, x^{6} + x^{3} - 4\right )} {\left (x^{3} - 1\right )}^{\frac {1}{3}}}{28 \, x^{7}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [C] Result contains complex when optimal does not.
time = 0.55, size = 296, normalized size = 11.38 \begin {gather*} \begin {cases} \frac {3 x^{6} \sqrt [3]{-1 + \frac {1}{x^{3}}} e^{\frac {i \pi }{3}} \Gamma \left (- \frac {7}{3}\right )}{9 x^{6} \Gamma \left (- \frac {1}{3}\right ) - 9 x^{3} \Gamma \left (- \frac {1}{3}\right )} - \frac {2 x^{3} \sqrt [3]{-1 + \frac {1}{x^{3}}} e^{\frac {i \pi }{3}} \Gamma \left (- \frac {7}{3}\right )}{9 x^{6} \Gamma \left (- \frac {1}{3}\right ) - 9 x^{3} \Gamma \left (- \frac {1}{3}\right )} - \frac {5 \sqrt [3]{-1 + \frac {1}{x^{3}}} e^{\frac {i \pi }{3}} \Gamma \left (- \frac {7}{3}\right )}{9 x^{6} \Gamma \left (- \frac {1}{3}\right ) - 9 x^{3} \Gamma \left (- \frac {1}{3}\right )} + \frac {4 \sqrt [3]{-1 + \frac {1}{x^{3}}} e^{\frac {i \pi }{3}} \Gamma \left (- \frac {7}{3}\right )}{x^{3} \cdot \left (9 x^{6} \Gamma \left (- \frac {1}{3}\right ) - 9 x^{3} \Gamma \left (- \frac {1}{3}\right )\right )} & \text {for}\: \frac {1}{\left |{x^{3}}\right |} > 1 \\\frac {\sqrt [3]{1 - \frac {1}{x^{3}}} \Gamma \left (- \frac {7}{3}\right )}{3 \Gamma \left (- \frac {1}{3}\right )} + \frac {\sqrt [3]{1 - \frac {1}{x^{3}}} \Gamma \left (- \frac {7}{3}\right )}{9 x^{3} \Gamma \left (- \frac {1}{3}\right )} - \frac {4 \sqrt [3]{1 - \frac {1}{x^{3}}} \Gamma \left (- \frac {7}{3}\right )}{9 x^{6} \Gamma \left (- \frac {1}{3}\right )} & \text {otherwise} \end {cases} \end {gather*}
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 \begin {gather*} \text {could not integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.25, size = 38, normalized size = 1.46 \begin {gather*} \frac {x^3\,{\left (x^3-1\right )}^{1/3}-4\,{\left (x^3-1\right )}^{1/3}+3\,x^6\,{\left (x^3-1\right )}^{1/3}}{28\,x^7} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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