Integrand size = 25, antiderivative size = 30 \[ \int \frac {-1+x^3}{x^3 \left (1+x^3\right ) \sqrt [4]{x+x^4}} \, dx=\frac {4 \left (1+7 x^3\right ) \left (x+x^4\right )^{3/4}}{9 x^3 \left (1+x^3\right )} \]
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Time = 0.10 (sec) , antiderivative size = 31, normalized size of antiderivative = 1.03, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.120, Rules used = {2081, 464, 270} \[ \int \frac {-1+x^3}{x^3 \left (1+x^3\right ) \sqrt [4]{x+x^4}} \, dx=\frac {28 x}{9 \sqrt [4]{x^4+x}}+\frac {4}{9 \sqrt [4]{x^4+x} x^2} \]
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Rule 270
Rule 464
Rule 2081
Rubi steps \begin{align*} \text {integral}& = \frac {\left (\sqrt [4]{x} \sqrt [4]{1+x^3}\right ) \int \frac {-1+x^3}{x^{13/4} \left (1+x^3\right )^{5/4}} \, dx}{\sqrt [4]{x+x^4}} \\ & = \frac {4}{9 x^2 \sqrt [4]{x+x^4}}+\frac {\left (7 \sqrt [4]{x} \sqrt [4]{1+x^3}\right ) \int \frac {1}{\sqrt [4]{x} \left (1+x^3\right )^{5/4}} \, dx}{3 \sqrt [4]{x+x^4}} \\ & = \frac {4}{9 x^2 \sqrt [4]{x+x^4}}+\frac {28 x}{9 \sqrt [4]{x+x^4}} \\ \end{align*}
Time = 10.02 (sec) , antiderivative size = 23, normalized size of antiderivative = 0.77 \[ \int \frac {-1+x^3}{x^3 \left (1+x^3\right ) \sqrt [4]{x+x^4}} \, dx=\frac {4+28 x^3}{9 x^2 \sqrt [4]{x+x^4}} \]
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Time = 1.03 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.67
method | result | size |
gosper | \(\frac {\frac {28 x^{3}}{9}+\frac {4}{9}}{\left (x^{4}+x \right )^{\frac {1}{4}} x^{2}}\) | \(20\) |
pseudoelliptic | \(\frac {\frac {28 x^{3}}{9}+\frac {4}{9}}{\left (x^{4}+x \right )^{\frac {1}{4}} x^{2}}\) | \(20\) |
risch | \(\frac {\frac {28 x^{3}}{9}+\frac {4}{9}}{x^{2} {\left (x \left (x^{3}+1\right )\right )}^{\frac {1}{4}}}\) | \(22\) |
trager | \(\frac {4 \left (7 x^{3}+1\right ) \left (x^{4}+x \right )^{\frac {3}{4}}}{9 x^{3} \left (x^{3}+1\right )}\) | \(27\) |
meijerg | \(\frac {\frac {16 x^{3}}{9}+\frac {4}{9}}{x^{\frac {9}{4}} \left (x^{3}+1\right )^{\frac {1}{4}}}+\frac {4 x^{\frac {3}{4}}}{3 \left (x^{3}+1\right )^{\frac {1}{4}}}\) | \(33\) |
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Time = 0.26 (sec) , antiderivative size = 25, normalized size of antiderivative = 0.83 \[ \int \frac {-1+x^3}{x^3 \left (1+x^3\right ) \sqrt [4]{x+x^4}} \, dx=\frac {4 \, {\left (x^{4} + x\right )}^{\frac {3}{4}} {\left (7 \, x^{3} + 1\right )}}{9 \, {\left (x^{6} + x^{3}\right )}} \]
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\[ \int \frac {-1+x^3}{x^3 \left (1+x^3\right ) \sqrt [4]{x+x^4}} \, dx=\int \frac {\left (x - 1\right ) \left (x^{2} + x + 1\right )}{x^{3} \sqrt [4]{x \left (x + 1\right ) \left (x^{2} - x + 1\right )} \left (x + 1\right ) \left (x^{2} - x + 1\right )}\, dx \]
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\[ \int \frac {-1+x^3}{x^3 \left (1+x^3\right ) \sqrt [4]{x+x^4}} \, dx=\int { \frac {x^{3} - 1}{{\left (x^{4} + x\right )}^{\frac {1}{4}} {\left (x^{3} + 1\right )} x^{3}} \,d x } \]
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Time = 0.28 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.63 \[ \int \frac {-1+x^3}{x^3 \left (1+x^3\right ) \sqrt [4]{x+x^4}} \, dx=\frac {4}{9} \, {\left (\frac {1}{x^{3}} + 1\right )}^{\frac {3}{4}} + \frac {8}{3 \, {\left (\frac {1}{x^{3}} + 1\right )}^{\frac {1}{4}}} \]
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Time = 4.94 (sec) , antiderivative size = 26, normalized size of antiderivative = 0.87 \[ \int \frac {-1+x^3}{x^3 \left (1+x^3\right ) \sqrt [4]{x+x^4}} \, dx=\frac {4\,\left (7\,x^3+1\right )\,{\left (x^4+x\right )}^{3/4}}{9\,x^3\,\left (x^3+1\right )} \]
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