Integrand size = 19, antiderivative size = 22 \[ \int \frac {1}{\left (-1+x^3\right ) \sqrt [4]{-x+x^4}} \, dx=-\frac {4 \left (-x+x^4\right )^{3/4}}{3 \left (-1+x^3\right )} \]
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Time = 0.02 (sec) , antiderivative size = 16, normalized size of antiderivative = 0.73, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.105, Rules used = {2081, 270} \[ \int \frac {1}{\left (-1+x^3\right ) \sqrt [4]{-x+x^4}} \, dx=-\frac {4 x}{3 \sqrt [4]{x^4-x}} \]
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Rule 270
Rule 2081
Rubi steps \begin{align*} \text {integral}& = \frac {\left (\sqrt [4]{x} \sqrt [4]{-1+x^3}\right ) \int \frac {1}{\sqrt [4]{x} \left (-1+x^3\right )^{5/4}} \, dx}{\sqrt [4]{-x+x^4}} \\ & = -\frac {4 x}{3 \sqrt [4]{-x+x^4}} \\ \end{align*}
Time = 10.01 (sec) , antiderivative size = 16, normalized size of antiderivative = 0.73 \[ \int \frac {1}{\left (-1+x^3\right ) \sqrt [4]{-x+x^4}} \, dx=-\frac {4 x}{3 \sqrt [4]{x \left (-1+x^3\right )}} \]
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Time = 0.96 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.59
method | result | size |
gosper | \(-\frac {4 x}{3 \left (x^{4}-x \right )^{\frac {1}{4}}}\) | \(13\) |
risch | \(-\frac {4 x}{3 {\left (x \left (x^{3}-1\right )\right )}^{\frac {1}{4}}}\) | \(13\) |
pseudoelliptic | \(-\frac {4 x}{3 \left (x^{4}-x \right )^{\frac {1}{4}}}\) | \(13\) |
trager | \(-\frac {4 \left (x^{4}-x \right )^{\frac {3}{4}}}{3 \left (x^{3}-1\right )}\) | \(19\) |
meijerg | \(-\frac {4 {\left (-\operatorname {signum}\left (x^{3}-1\right )\right )}^{\frac {1}{4}} x^{\frac {3}{4}}}{3 \operatorname {signum}\left (x^{3}-1\right )^{\frac {1}{4}} \left (-x^{3}+1\right )^{\frac {1}{4}}}\) | \(33\) |
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Time = 0.25 (sec) , antiderivative size = 18, normalized size of antiderivative = 0.82 \[ \int \frac {1}{\left (-1+x^3\right ) \sqrt [4]{-x+x^4}} \, dx=-\frac {4 \, {\left (x^{4} - x\right )}^{\frac {3}{4}}}{3 \, {\left (x^{3} - 1\right )}} \]
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\[ \int \frac {1}{\left (-1+x^3\right ) \sqrt [4]{-x+x^4}} \, dx=\int \frac {1}{\sqrt [4]{x \left (x - 1\right ) \left (x^{2} + x + 1\right )} \left (x - 1\right ) \left (x^{2} + x + 1\right )}\, dx \]
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\[ \int \frac {1}{\left (-1+x^3\right ) \sqrt [4]{-x+x^4}} \, dx=\int { \frac {1}{{\left (x^{4} - x\right )}^{\frac {1}{4}} {\left (x^{3} - 1\right )}} \,d x } \]
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none
Time = 0.27 (sec) , antiderivative size = 11, normalized size of antiderivative = 0.50 \[ \int \frac {1}{\left (-1+x^3\right ) \sqrt [4]{-x+x^4}} \, dx=-\frac {4}{3 \, {\left (-\frac {1}{x^{3}} + 1\right )}^{\frac {1}{4}}} \]
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Time = 5.34 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.91 \[ \int \frac {1}{\left (-1+x^3\right ) \sqrt [4]{-x+x^4}} \, dx=-\frac {4\,{\left (x^4-x\right )}^{3/4}}{3\,\left (x^3-1\right )} \]
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