Optimal. Leaf size=16 \[ -\frac {5}{2} \sqrt [5]{1-2 x+x^2} \]
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Rubi [A]
time = 0.01, antiderivative size = 16, normalized size of antiderivative = 1.00, number of steps
used = 2, number of rules used = 2, integrand size = 20, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.100, Rules used = {657, 643}
\begin {gather*} -\frac {5}{2} \sqrt [5]{x^2-2 x+1} \end {gather*}
Antiderivative was successfully verified.
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Rule 643
Rule 657
Rubi steps
\begin {align*} \int \frac {\sqrt [5]{1-2 x+x^2}}{1-x} \, dx &=\int \frac {1-x}{\left (1-2 x+x^2\right )^{4/5}} \, dx\\ &=-\frac {5}{2} \sqrt [5]{1-2 x+x^2}\\ \end {align*}
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Mathematica [A]
time = 0.01, size = 13, normalized size = 0.81 \begin {gather*} -\frac {5}{2} \sqrt [5]{(-1+x)^2} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.08, size = 10, normalized size = 0.62
method | result | size |
risch | \(-\frac {5 \left (\left (-1+x \right )^{2}\right )^{\frac {1}{5}}}{2}\) | \(10\) |
gosper | \(-\frac {5 \left (x^{2}-2 x +1\right )^{\frac {1}{5}}}{2}\) | \(13\) |
trager | \(-\frac {5 \left (x^{2}-2 x +1\right )^{\frac {1}{5}}}{2}\) | \(13\) |
meijerg | \(\frac {\mathrm {signum}\left (-1+x \right )^{\frac {2}{5}} x \hypergeom \left (\left [\frac {3}{5}, 1\right ], \left [2\right ], x\right )}{\left (-\mathrm {signum}\left (-1+x \right )\right )^{\frac {2}{5}}}\) | \(24\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 3.98, size = 7, normalized size = 0.44 \begin {gather*} -\frac {5}{2} \, {\left (x - 1\right )}^{\frac {2}{5}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.42, size = 12, normalized size = 0.75 \begin {gather*} -\frac {5}{2} \, {\left (x^{2} - 2 \, x + 1\right )}^{\frac {1}{5}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 0.62, size = 15, normalized size = 0.94 \begin {gather*} - \frac {5 \sqrt [5]{x^{2} - 2 x + 1}}{2} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 0.61, size = 12, normalized size = 0.75 \begin {gather*} -\frac {5}{2} \, {\left (x^{2} - 2 \, x + 1\right )}^{\frac {1}{5}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.16, size = 9, normalized size = 0.56 \begin {gather*} -\frac {5\,{\left ({\left (x-1\right )}^2\right )}^{1/5}}{2} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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