Optimal. Leaf size=16 \[ -\frac{5}{2} \sqrt [5]{x^2-2 x+1} \]
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Rubi [A] time = 0.0079128, antiderivative size = 16, normalized size of antiderivative = 1., number of steps used = 2, number of rules used = 2, integrand size = 20, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.1, Rules used = {643, 629} \[ -\frac{5}{2} \sqrt [5]{x^2-2 x+1} \]
Antiderivative was successfully verified.
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Rule 643
Rule 629
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*}
Mathematica [A] time = 0.0058255, size = 13, normalized size = 0.81 \[ -\frac{5}{2} \sqrt [5]{(x-1)^2} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.003, size = 13, normalized size = 0.8 \begin{align*} -{\frac{5}{2}\sqrt [5]{{x}^{2}-2\,x+1}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 0.967288, size = 9, normalized size = 0.56 \begin{align*} -\frac{5}{2} \,{\left (x - 1\right )}^{\frac{2}{5}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 0.418288, size = 38, normalized size = 2.38 \begin{align*} -\frac{5}{2} \,{\left (x^{2} - 2 \, x + 1\right )}^{\frac{1}{5}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 1.21885, size = 15, normalized size = 0.94 \begin{align*} - \frac{5 \sqrt [5]{x^{2} - 2 x + 1}}{2} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int -\frac{{\left (x^{2} - 2 \, x + 1\right )}^{\frac{1}{5}}}{x - 1}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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