Integrand size = 38, antiderivative size = 101 \[ \int \frac {\left (4+x^3\right ) \left (-1-x^3+x^4\right )}{x^2 \left (1+x^3\right )^{3/4} \left (1+x^3+x^4\right )} \, dx=\frac {4 \sqrt [4]{1+x^3}}{x}-2 \sqrt {2} \arctan \left (\frac {-\frac {x^2}{\sqrt {2}}+\frac {\sqrt {1+x^3}}{\sqrt {2}}}{x \sqrt [4]{1+x^3}}\right )-2 \sqrt {2} \text {arctanh}\left (\frac {\sqrt {2} x \sqrt [4]{1+x^3}}{x^2+\sqrt {1+x^3}}\right ) \]
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\[ \int \frac {\left (4+x^3\right ) \left (-1-x^3+x^4\right )}{x^2 \left (1+x^3\right )^{3/4} \left (1+x^3+x^4\right )} \, dx=\int \frac {\left (4+x^3\right ) \left (-1-x^3+x^4\right )}{x^2 \left (1+x^3\right )^{3/4} \left (1+x^3+x^4\right )} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \left (-\frac {2}{\left (1+x^3\right )^{3/4}}-\frac {4}{x^2 \left (1+x^3\right )^{3/4}}+\frac {x}{\left (1+x^3\right )^{3/4}}+\frac {2 \left (1-x+4 x^2+x^3\right )}{\left (1+x^3\right )^{3/4} \left (1+x^3+x^4\right )}\right ) \, dx \\ & = -\left (2 \int \frac {1}{\left (1+x^3\right )^{3/4}} \, dx\right )+2 \int \frac {1-x+4 x^2+x^3}{\left (1+x^3\right )^{3/4} \left (1+x^3+x^4\right )} \, dx-4 \int \frac {1}{x^2 \left (1+x^3\right )^{3/4}} \, dx+\int \frac {x}{\left (1+x^3\right )^{3/4}} \, dx \\ & = \frac {4 \operatorname {Hypergeometric2F1}\left (-\frac {1}{3},\frac {3}{4},\frac {2}{3},-x^3\right )}{x}-2 x \operatorname {Hypergeometric2F1}\left (\frac {1}{3},\frac {3}{4},\frac {4}{3},-x^3\right )+\frac {1}{2} x^2 \operatorname {Hypergeometric2F1}\left (\frac {2}{3},\frac {3}{4},\frac {5}{3},-x^3\right )+2 \int \left (\frac {1}{\left (1+x^3\right )^{3/4} \left (1+x^3+x^4\right )}-\frac {x}{\left (1+x^3\right )^{3/4} \left (1+x^3+x^4\right )}+\frac {4 x^2}{\left (1+x^3\right )^{3/4} \left (1+x^3+x^4\right )}+\frac {x^3}{\left (1+x^3\right )^{3/4} \left (1+x^3+x^4\right )}\right ) \, dx \\ & = \frac {4 \operatorname {Hypergeometric2F1}\left (-\frac {1}{3},\frac {3}{4},\frac {2}{3},-x^3\right )}{x}-2 x \operatorname {Hypergeometric2F1}\left (\frac {1}{3},\frac {3}{4},\frac {4}{3},-x^3\right )+\frac {1}{2} x^2 \operatorname {Hypergeometric2F1}\left (\frac {2}{3},\frac {3}{4},\frac {5}{3},-x^3\right )+2 \int \frac {1}{\left (1+x^3\right )^{3/4} \left (1+x^3+x^4\right )} \, dx-2 \int \frac {x}{\left (1+x^3\right )^{3/4} \left (1+x^3+x^4\right )} \, dx+2 \int \frac {x^3}{\left (1+x^3\right )^{3/4} \left (1+x^3+x^4\right )} \, dx+8 \int \frac {x^2}{\left (1+x^3\right )^{3/4} \left (1+x^3+x^4\right )} \, dx \\ \end{align*}
Time = 3.47 (sec) , antiderivative size = 95, normalized size of antiderivative = 0.94 \[ \int \frac {\left (4+x^3\right ) \left (-1-x^3+x^4\right )}{x^2 \left (1+x^3\right )^{3/4} \left (1+x^3+x^4\right )} \, dx=\frac {4 \sqrt [4]{1+x^3}}{x}-2 \sqrt {2} \arctan \left (\frac {-x^2+\sqrt {1+x^3}}{\sqrt {2} x \sqrt [4]{1+x^3}}\right )-2 \sqrt {2} \text {arctanh}\left (\frac {\sqrt {2} x \sqrt [4]{1+x^3}}{x^2+\sqrt {1+x^3}}\right ) \]
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Result contains higher order function than in optimal. Order 9 vs. order 3.
Time = 4.28 (sec) , antiderivative size = 220, normalized size of antiderivative = 2.18
method | result | size |
trager | \(\frac {4 \left (x^{3}+1\right )^{\frac {1}{4}}}{x}-2 \operatorname {RootOf}\left (\textit {\_Z}^{4}+1\right ) \ln \left (\frac {\operatorname {RootOf}\left (\textit {\_Z}^{4}+1\right )^{3} x^{4}+2 \left (x^{3}+1\right )^{\frac {1}{4}} \operatorname {RootOf}\left (\textit {\_Z}^{4}+1\right )^{2} x^{3}-\operatorname {RootOf}\left (\textit {\_Z}^{4}+1\right )^{3} x^{3}+2 \sqrt {x^{3}+1}\, \operatorname {RootOf}\left (\textit {\_Z}^{4}+1\right ) x^{2}+2 \left (x^{3}+1\right )^{\frac {3}{4}} x -\operatorname {RootOf}\left (\textit {\_Z}^{4}+1\right )^{3}}{x^{4}+x^{3}+1}\right )-2 \operatorname {RootOf}\left (\textit {\_Z}^{4}+1\right )^{3} \ln \left (\frac {2 \sqrt {x^{3}+1}\, \operatorname {RootOf}\left (\textit {\_Z}^{4}+1\right )^{3} x^{2}-2 \left (x^{3}+1\right )^{\frac {1}{4}} \operatorname {RootOf}\left (\textit {\_Z}^{4}+1\right )^{2} x^{3}+\operatorname {RootOf}\left (\textit {\_Z}^{4}+1\right ) x^{4}+2 \left (x^{3}+1\right )^{\frac {3}{4}} x -\operatorname {RootOf}\left (\textit {\_Z}^{4}+1\right ) x^{3}-\operatorname {RootOf}\left (\textit {\_Z}^{4}+1\right )}{x^{4}+x^{3}+1}\right )\) | \(220\) |
risch | \(\frac {4 \left (x^{3}+1\right )^{\frac {1}{4}}}{x}+\frac {\left (2 \operatorname {RootOf}\left (\textit {\_Z}^{4}+1\right ) \ln \left (\frac {\operatorname {RootOf}\left (\textit {\_Z}^{4}+1\right )^{2} x^{10}+2 \operatorname {RootOf}\left (\textit {\_Z}^{4}+1\right )^{3} \left (x^{9}+3 x^{6}+3 x^{3}+1\right )^{\frac {1}{4}} x^{7}-\operatorname {RootOf}\left (\textit {\_Z}^{4}+1\right )^{2} x^{9}+2 \operatorname {RootOf}\left (\textit {\_Z}^{4}+1\right )^{2} x^{7}+4 \operatorname {RootOf}\left (\textit {\_Z}^{4}+1\right )^{3} \left (x^{9}+3 x^{6}+3 x^{3}+1\right )^{\frac {1}{4}} x^{4}-3 \operatorname {RootOf}\left (\textit {\_Z}^{4}+1\right )^{2} x^{6}-2 \operatorname {RootOf}\left (\textit {\_Z}^{4}+1\right ) \left (x^{9}+3 x^{6}+3 x^{3}+1\right )^{\frac {3}{4}} x^{3}+2 \sqrt {x^{9}+3 x^{6}+3 x^{3}+1}\, x^{5}+\operatorname {RootOf}\left (\textit {\_Z}^{4}+1\right )^{2} x^{4}+2 \operatorname {RootOf}\left (\textit {\_Z}^{4}+1\right )^{3} \left (x^{9}+3 x^{6}+3 x^{3}+1\right )^{\frac {1}{4}} x -3 \operatorname {RootOf}\left (\textit {\_Z}^{4}+1\right )^{2} x^{3}+2 \sqrt {x^{9}+3 x^{6}+3 x^{3}+1}\, x^{2}-\operatorname {RootOf}\left (\textit {\_Z}^{4}+1\right )^{2}}{\left (1+x \right )^{2} \left (x^{2}-x +1\right )^{2} \left (x^{4}+x^{3}+1\right )}\right )-2 \operatorname {RootOf}\left (\textit {\_Z}^{4}+1\right )^{3} \ln \left (\frac {-\operatorname {RootOf}\left (\textit {\_Z}^{4}+1\right )^{2} x^{10}+\operatorname {RootOf}\left (\textit {\_Z}^{4}+1\right )^{2} x^{9}+2 \operatorname {RootOf}\left (\textit {\_Z}^{4}+1\right )^{3} \left (x^{9}+3 x^{6}+3 x^{3}+1\right )^{\frac {3}{4}} x^{3}-2 \operatorname {RootOf}\left (\textit {\_Z}^{4}+1\right )^{2} x^{7}-2 \operatorname {RootOf}\left (\textit {\_Z}^{4}+1\right ) \left (x^{9}+3 x^{6}+3 x^{3}+1\right )^{\frac {1}{4}} x^{7}+3 \operatorname {RootOf}\left (\textit {\_Z}^{4}+1\right )^{2} x^{6}+2 \sqrt {x^{9}+3 x^{6}+3 x^{3}+1}\, x^{5}-\operatorname {RootOf}\left (\textit {\_Z}^{4}+1\right )^{2} x^{4}-4 \operatorname {RootOf}\left (\textit {\_Z}^{4}+1\right ) \left (x^{9}+3 x^{6}+3 x^{3}+1\right )^{\frac {1}{4}} x^{4}+3 \operatorname {RootOf}\left (\textit {\_Z}^{4}+1\right )^{2} x^{3}+2 \sqrt {x^{9}+3 x^{6}+3 x^{3}+1}\, x^{2}-2 \operatorname {RootOf}\left (\textit {\_Z}^{4}+1\right ) \left (x^{9}+3 x^{6}+3 x^{3}+1\right )^{\frac {1}{4}} x +\operatorname {RootOf}\left (\textit {\_Z}^{4}+1\right )^{2}}{\left (1+x \right )^{2} \left (x^{2}-x +1\right )^{2} \left (x^{4}+x^{3}+1\right )}\right )\right ) {\left (\left (x^{3}+1\right )^{3}\right )}^{\frac {1}{4}}}{\left (x^{3}+1\right )^{\frac {3}{4}}}\) | \(593\) |
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Result contains complex when optimal does not.
Time = 15.84 (sec) , antiderivative size = 303, normalized size of antiderivative = 3.00 \[ \int \frac {\left (4+x^3\right ) \left (-1-x^3+x^4\right )}{x^2 \left (1+x^3\right )^{3/4} \left (1+x^3+x^4\right )} \, dx=\frac {-\left (i + 1\right ) \, \sqrt {2} x \log \left (\frac {4 i \, {\left (x^{3} + 1\right )}^{\frac {1}{4}} x^{3} + \left (2 i + 2\right ) \, \sqrt {2} \sqrt {x^{3} + 1} x^{2} + 4 \, {\left (x^{3} + 1\right )}^{\frac {3}{4}} x + \sqrt {2} {\left (\left (i - 1\right ) \, x^{4} - \left (i - 1\right ) \, x^{3} - i + 1\right )}}{x^{4} + x^{3} + 1}\right ) + \left (i + 1\right ) \, \sqrt {2} x \log \left (\frac {4 i \, {\left (x^{3} + 1\right )}^{\frac {1}{4}} x^{3} - \left (2 i + 2\right ) \, \sqrt {2} \sqrt {x^{3} + 1} x^{2} + 4 \, {\left (x^{3} + 1\right )}^{\frac {3}{4}} x + \sqrt {2} {\left (-\left (i - 1\right ) \, x^{4} + \left (i - 1\right ) \, x^{3} + i - 1\right )}}{x^{4} + x^{3} + 1}\right ) + \left (i - 1\right ) \, \sqrt {2} x \log \left (\frac {-4 i \, {\left (x^{3} + 1\right )}^{\frac {1}{4}} x^{3} - \left (2 i - 2\right ) \, \sqrt {2} \sqrt {x^{3} + 1} x^{2} + 4 \, {\left (x^{3} + 1\right )}^{\frac {3}{4}} x + \sqrt {2} {\left (-\left (i + 1\right ) \, x^{4} + \left (i + 1\right ) \, x^{3} + i + 1\right )}}{x^{4} + x^{3} + 1}\right ) - \left (i - 1\right ) \, \sqrt {2} x \log \left (\frac {-4 i \, {\left (x^{3} + 1\right )}^{\frac {1}{4}} x^{3} + \left (2 i - 2\right ) \, \sqrt {2} \sqrt {x^{3} + 1} x^{2} + 4 \, {\left (x^{3} + 1\right )}^{\frac {3}{4}} x + \sqrt {2} {\left (\left (i + 1\right ) \, x^{4} - \left (i + 1\right ) \, x^{3} - i - 1\right )}}{x^{4} + x^{3} + 1}\right ) + 8 \, {\left (x^{3} + 1\right )}^{\frac {1}{4}}}{2 \, x} \]
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Timed out. \[ \int \frac {\left (4+x^3\right ) \left (-1-x^3+x^4\right )}{x^2 \left (1+x^3\right )^{3/4} \left (1+x^3+x^4\right )} \, dx=\text {Timed out} \]
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\[ \int \frac {\left (4+x^3\right ) \left (-1-x^3+x^4\right )}{x^2 \left (1+x^3\right )^{3/4} \left (1+x^3+x^4\right )} \, dx=\int { \frac {{\left (x^{4} - x^{3} - 1\right )} {\left (x^{3} + 4\right )}}{{\left (x^{4} + x^{3} + 1\right )} {\left (x^{3} + 1\right )}^{\frac {3}{4}} x^{2}} \,d x } \]
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\[ \int \frac {\left (4+x^3\right ) \left (-1-x^3+x^4\right )}{x^2 \left (1+x^3\right )^{3/4} \left (1+x^3+x^4\right )} \, dx=\int { \frac {{\left (x^{4} - x^{3} - 1\right )} {\left (x^{3} + 4\right )}}{{\left (x^{4} + x^{3} + 1\right )} {\left (x^{3} + 1\right )}^{\frac {3}{4}} x^{2}} \,d x } \]
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Timed out. \[ \int \frac {\left (4+x^3\right ) \left (-1-x^3+x^4\right )}{x^2 \left (1+x^3\right )^{3/4} \left (1+x^3+x^4\right )} \, dx=\int -\frac {\left (x^3+4\right )\,\left (-x^4+x^3+1\right )}{x^2\,{\left (x^3+1\right )}^{3/4}\,\left (x^4+x^3+1\right )} \,d x \]
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