Integrand size = 25, antiderivative size = 134 \[ \int \frac {\left (-1+x+x^4\right ) \sqrt [4]{-x^3+x^4}}{1+x} \, dx=\frac {\sqrt [4]{-x^3+x^4} \left (-32575-1060 x+10400 x^2-8064 x^3+6144 x^4\right )}{30720}-\frac {9869 \arctan \left (\frac {x}{\sqrt [4]{-x^3+x^4}}\right )}{4096}+2 \sqrt [4]{2} \arctan \left (\frac {\sqrt [4]{2} x}{\sqrt [4]{-x^3+x^4}}\right )+\frac {9869 \text {arctanh}\left (\frac {x}{\sqrt [4]{-x^3+x^4}}\right )}{4096}-2 \sqrt [4]{2} \text {arctanh}\left (\frac {\sqrt [4]{2} x}{\sqrt [4]{-x^3+x^4}}\right ) \]
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Leaf count is larger than twice the leaf count of optimal. \(342\) vs. \(2(134)=268\).
Time = 0.20 (sec) , antiderivative size = 342, normalized size of antiderivative = 2.55, number of steps used = 18, number of rules used = 14, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.560, Rules used = {2081, 1629, 161, 96, 95, 304, 209, 212, 963, 81, 52, 65, 246, 218} \[ \int \frac {\left (-1+x+x^4\right ) \sqrt [4]{-x^3+x^4}}{1+x} \, dx=\frac {9869 \sqrt [4]{x^4-x^3} \arctan \left (\frac {\sqrt [4]{x-1}}{\sqrt [4]{x}}\right )}{4096 \sqrt [4]{x-1} x^{3/4}}+\frac {2 \sqrt [4]{2} \sqrt [4]{x^4-x^3} \arctan \left (\frac {\sqrt [4]{2} \sqrt [4]{x}}{\sqrt [4]{x-1}}\right )}{\sqrt [4]{x-1} x^{3/4}}+\frac {9869 \sqrt [4]{x^4-x^3} \text {arctanh}\left (\frac {\sqrt [4]{x-1}}{\sqrt [4]{x}}\right )}{4096 \sqrt [4]{x-1} x^{3/4}}-\frac {2 \sqrt [4]{2} \sqrt [4]{x^4-x^3} \text {arctanh}\left (\frac {\sqrt [4]{2} \sqrt [4]{x}}{\sqrt [4]{x-1}}\right )}{\sqrt [4]{x-1} x^{3/4}}-\frac {1}{5} x \sqrt [4]{x^4-x^3} (1-x)^3+\frac {27}{80} x \sqrt [4]{x^4-x^3} (1-x)^2-\frac {397}{960} x \sqrt [4]{x^4-x^3} (1-x)-\frac {4 \sqrt [4]{x^4-x^3} (1-x)}{x}-\frac {371 \sqrt [4]{x^4-x^3} (1-x)}{1536}+\frac {4 \sqrt [4]{x^4-x^3}}{x}-\frac {9869 \sqrt [4]{x^4-x^3}}{2048} \]
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Rule 52
Rule 65
Rule 81
Rule 95
Rule 96
Rule 161
Rule 209
Rule 212
Rule 218
Rule 246
Rule 304
Rule 963
Rule 1629
Rule 2081
Rubi steps \begin{align*} \text {integral}& = \frac {\sqrt [4]{-x^3+x^4} \int \frac {\sqrt [4]{-1+x} x^{3/4} \left (-1+x+x^4\right )}{1+x} \, dx}{\sqrt [4]{-1+x} x^{3/4}} \\ & = -\frac {1}{5} (1-x)^3 x \sqrt [4]{-x^3+x^4}+\frac {\sqrt [4]{-x^3+x^4} \int \frac {\sqrt [4]{-1+x} x^{3/4} \left (-\frac {13}{4}-\frac {7 x}{4}+\frac {13 x^2}{4}+\frac {27 x^3}{4}\right )}{1+x} \, dx}{5 \sqrt [4]{-1+x} x^{3/4}} \\ & = \frac {27}{80} (1-x)^2 x \sqrt [4]{-x^3+x^4}-\frac {1}{5} (1-x)^3 x \sqrt [4]{-x^3+x^4}+\frac {\sqrt [4]{-x^3+x^4} \int \frac {\sqrt [4]{-1+x} x^{3/4} \left (-\frac {397}{16}+20 x+\frac {397 x^2}{16}\right )}{1+x} \, dx}{20 \sqrt [4]{-1+x} x^{3/4}} \\ & = -\frac {397}{960} (1-x) x \sqrt [4]{-x^3+x^4}+\frac {27}{80} (1-x)^2 x \sqrt [4]{-x^3+x^4}-\frac {1}{5} (1-x)^3 x \sqrt [4]{-x^3+x^4}+\frac {\sqrt [4]{-x^3+x^4} \int \frac {\sqrt [4]{-1+x} x^{3/4} \left (-\frac {1985}{64}+\frac {1855 x}{64}\right )}{1+x} \, dx}{60 \sqrt [4]{-1+x} x^{3/4}} \\ & = -\frac {397}{960} (1-x) x \sqrt [4]{-x^3+x^4}+\frac {27}{80} (1-x)^2 x \sqrt [4]{-x^3+x^4}-\frac {1}{5} (1-x)^3 x \sqrt [4]{-x^3+x^4}+\frac {\sqrt [4]{-x^3+x^4} \int \frac {\sqrt [4]{-1+x} \left (60-60 x+\frac {1855 x^2}{64}\right )}{x^{5/4}} \, dx}{60 \sqrt [4]{-1+x} x^{3/4}}-\frac {\sqrt [4]{-x^3+x^4} \int \frac {\sqrt [4]{-1+x}}{x^{5/4} (1+x)} \, dx}{\sqrt [4]{-1+x} x^{3/4}} \\ & = \frac {4 \sqrt [4]{-x^3+x^4}}{x}-\frac {4 (1-x) \sqrt [4]{-x^3+x^4}}{x}-\frac {397}{960} (1-x) x \sqrt [4]{-x^3+x^4}+\frac {27}{80} (1-x)^2 x \sqrt [4]{-x^3+x^4}-\frac {1}{5} (1-x)^3 x \sqrt [4]{-x^3+x^4}+\frac {\sqrt [4]{-x^3+x^4} \int \frac {\sqrt [4]{-1+x} \left (-75+\frac {1855 x}{256}\right )}{\sqrt [4]{x}} \, dx}{15 \sqrt [4]{-1+x} x^{3/4}}-\frac {\left (2 \sqrt [4]{-x^3+x^4}\right ) \int \frac {1}{(-1+x)^{3/4} \sqrt [4]{x} (1+x)} \, dx}{\sqrt [4]{-1+x} x^{3/4}} \\ & = -\frac {371 (1-x) \sqrt [4]{-x^3+x^4}}{1536}+\frac {4 \sqrt [4]{-x^3+x^4}}{x}-\frac {4 (1-x) \sqrt [4]{-x^3+x^4}}{x}-\frac {397}{960} (1-x) x \sqrt [4]{-x^3+x^4}+\frac {27}{80} (1-x)^2 x \sqrt [4]{-x^3+x^4}-\frac {1}{5} (1-x)^3 x \sqrt [4]{-x^3+x^4}-\frac {\left (9869 \sqrt [4]{-x^3+x^4}\right ) \int \frac {\sqrt [4]{-1+x}}{\sqrt [4]{x}} \, dx}{2048 \sqrt [4]{-1+x} x^{3/4}}-\frac {\left (8 \sqrt [4]{-x^3+x^4}\right ) \text {Subst}\left (\int \frac {x^2}{1-2 x^4} \, dx,x,\frac {\sqrt [4]{x}}{\sqrt [4]{-1+x}}\right )}{\sqrt [4]{-1+x} x^{3/4}} \\ & = -\frac {9869 \sqrt [4]{-x^3+x^4}}{2048}-\frac {371 (1-x) \sqrt [4]{-x^3+x^4}}{1536}+\frac {4 \sqrt [4]{-x^3+x^4}}{x}-\frac {4 (1-x) \sqrt [4]{-x^3+x^4}}{x}-\frac {397}{960} (1-x) x \sqrt [4]{-x^3+x^4}+\frac {27}{80} (1-x)^2 x \sqrt [4]{-x^3+x^4}-\frac {1}{5} (1-x)^3 x \sqrt [4]{-x^3+x^4}+\frac {\left (9869 \sqrt [4]{-x^3+x^4}\right ) \int \frac {1}{(-1+x)^{3/4} \sqrt [4]{x}} \, dx}{8192 \sqrt [4]{-1+x} x^{3/4}}-\frac {\left (2 \sqrt {2} \sqrt [4]{-x^3+x^4}\right ) \text {Subst}\left (\int \frac {1}{1-\sqrt {2} x^2} \, dx,x,\frac {\sqrt [4]{x}}{\sqrt [4]{-1+x}}\right )}{\sqrt [4]{-1+x} x^{3/4}}+\frac {\left (2 \sqrt {2} \sqrt [4]{-x^3+x^4}\right ) \text {Subst}\left (\int \frac {1}{1+\sqrt {2} x^2} \, dx,x,\frac {\sqrt [4]{x}}{\sqrt [4]{-1+x}}\right )}{\sqrt [4]{-1+x} x^{3/4}} \\ & = -\frac {9869 \sqrt [4]{-x^3+x^4}}{2048}-\frac {371 (1-x) \sqrt [4]{-x^3+x^4}}{1536}+\frac {4 \sqrt [4]{-x^3+x^4}}{x}-\frac {4 (1-x) \sqrt [4]{-x^3+x^4}}{x}-\frac {397}{960} (1-x) x \sqrt [4]{-x^3+x^4}+\frac {27}{80} (1-x)^2 x \sqrt [4]{-x^3+x^4}-\frac {1}{5} (1-x)^3 x \sqrt [4]{-x^3+x^4}+\frac {2 \sqrt [4]{2} \sqrt [4]{-x^3+x^4} \arctan \left (\frac {\sqrt [4]{2} \sqrt [4]{x}}{\sqrt [4]{-1+x}}\right )}{\sqrt [4]{-1+x} x^{3/4}}-\frac {2 \sqrt [4]{2} \sqrt [4]{-x^3+x^4} \text {arctanh}\left (\frac {\sqrt [4]{2} \sqrt [4]{x}}{\sqrt [4]{-1+x}}\right )}{\sqrt [4]{-1+x} x^{3/4}}+\frac {\left (9869 \sqrt [4]{-x^3+x^4}\right ) \text {Subst}\left (\int \frac {1}{\sqrt [4]{1+x^4}} \, dx,x,\sqrt [4]{-1+x}\right )}{2048 \sqrt [4]{-1+x} x^{3/4}} \\ & = -\frac {9869 \sqrt [4]{-x^3+x^4}}{2048}-\frac {371 (1-x) \sqrt [4]{-x^3+x^4}}{1536}+\frac {4 \sqrt [4]{-x^3+x^4}}{x}-\frac {4 (1-x) \sqrt [4]{-x^3+x^4}}{x}-\frac {397}{960} (1-x) x \sqrt [4]{-x^3+x^4}+\frac {27}{80} (1-x)^2 x \sqrt [4]{-x^3+x^4}-\frac {1}{5} (1-x)^3 x \sqrt [4]{-x^3+x^4}+\frac {2 \sqrt [4]{2} \sqrt [4]{-x^3+x^4} \arctan \left (\frac {\sqrt [4]{2} \sqrt [4]{x}}{\sqrt [4]{-1+x}}\right )}{\sqrt [4]{-1+x} x^{3/4}}-\frac {2 \sqrt [4]{2} \sqrt [4]{-x^3+x^4} \text {arctanh}\left (\frac {\sqrt [4]{2} \sqrt [4]{x}}{\sqrt [4]{-1+x}}\right )}{\sqrt [4]{-1+x} x^{3/4}}+\frac {\left (9869 \sqrt [4]{-x^3+x^4}\right ) \text {Subst}\left (\int \frac {1}{1-x^4} \, dx,x,\frac {\sqrt [4]{-1+x}}{\sqrt [4]{x}}\right )}{2048 \sqrt [4]{-1+x} x^{3/4}} \\ & = -\frac {9869 \sqrt [4]{-x^3+x^4}}{2048}-\frac {371 (1-x) \sqrt [4]{-x^3+x^4}}{1536}+\frac {4 \sqrt [4]{-x^3+x^4}}{x}-\frac {4 (1-x) \sqrt [4]{-x^3+x^4}}{x}-\frac {397}{960} (1-x) x \sqrt [4]{-x^3+x^4}+\frac {27}{80} (1-x)^2 x \sqrt [4]{-x^3+x^4}-\frac {1}{5} (1-x)^3 x \sqrt [4]{-x^3+x^4}+\frac {2 \sqrt [4]{2} \sqrt [4]{-x^3+x^4} \arctan \left (\frac {\sqrt [4]{2} \sqrt [4]{x}}{\sqrt [4]{-1+x}}\right )}{\sqrt [4]{-1+x} x^{3/4}}-\frac {2 \sqrt [4]{2} \sqrt [4]{-x^3+x^4} \text {arctanh}\left (\frac {\sqrt [4]{2} \sqrt [4]{x}}{\sqrt [4]{-1+x}}\right )}{\sqrt [4]{-1+x} x^{3/4}}+\frac {\left (9869 \sqrt [4]{-x^3+x^4}\right ) \text {Subst}\left (\int \frac {1}{1-x^2} \, dx,x,\frac {\sqrt [4]{-1+x}}{\sqrt [4]{x}}\right )}{4096 \sqrt [4]{-1+x} x^{3/4}}+\frac {\left (9869 \sqrt [4]{-x^3+x^4}\right ) \text {Subst}\left (\int \frac {1}{1+x^2} \, dx,x,\frac {\sqrt [4]{-1+x}}{\sqrt [4]{x}}\right )}{4096 \sqrt [4]{-1+x} x^{3/4}} \\ & = -\frac {9869 \sqrt [4]{-x^3+x^4}}{2048}-\frac {371 (1-x) \sqrt [4]{-x^3+x^4}}{1536}+\frac {4 \sqrt [4]{-x^3+x^4}}{x}-\frac {4 (1-x) \sqrt [4]{-x^3+x^4}}{x}-\frac {397}{960} (1-x) x \sqrt [4]{-x^3+x^4}+\frac {27}{80} (1-x)^2 x \sqrt [4]{-x^3+x^4}-\frac {1}{5} (1-x)^3 x \sqrt [4]{-x^3+x^4}+\frac {9869 \sqrt [4]{-x^3+x^4} \arctan \left (\frac {\sqrt [4]{-1+x}}{\sqrt [4]{x}}\right )}{4096 \sqrt [4]{-1+x} x^{3/4}}+\frac {2 \sqrt [4]{2} \sqrt [4]{-x^3+x^4} \arctan \left (\frac {\sqrt [4]{2} \sqrt [4]{x}}{\sqrt [4]{-1+x}}\right )}{\sqrt [4]{-1+x} x^{3/4}}+\frac {9869 \sqrt [4]{-x^3+x^4} \text {arctanh}\left (\frac {\sqrt [4]{-1+x}}{\sqrt [4]{x}}\right )}{4096 \sqrt [4]{-1+x} x^{3/4}}-\frac {2 \sqrt [4]{2} \sqrt [4]{-x^3+x^4} \text {arctanh}\left (\frac {\sqrt [4]{2} \sqrt [4]{x}}{\sqrt [4]{-1+x}}\right )}{\sqrt [4]{-1+x} x^{3/4}} \\ \end{align*}
Time = 0.72 (sec) , antiderivative size = 172, normalized size of antiderivative = 1.28 \[ \int \frac {\left (-1+x+x^4\right ) \sqrt [4]{-x^3+x^4}}{1+x} \, dx=\frac {65150 x^3-63030 x^4-22920 x^5+36928 x^6-28416 x^7+12288 x^8-148035 (-1+x)^{3/4} x^{9/4} \arctan \left (\frac {1}{\sqrt [4]{\frac {-1+x}{x}}}\right )+122880 \sqrt [4]{2} (-1+x)^{3/4} x^{9/4} \arctan \left (\frac {\sqrt [4]{2}}{\sqrt [4]{\frac {-1+x}{x}}}\right )+148035 (-1+x)^{3/4} x^{9/4} \text {arctanh}\left (\frac {1}{\sqrt [4]{\frac {-1+x}{x}}}\right )-122880 \sqrt [4]{2} (-1+x)^{3/4} x^{9/4} \text {arctanh}\left (\frac {\sqrt [4]{2}}{\sqrt [4]{\frac {-1+x}{x}}}\right )}{61440 \left ((-1+x) x^3\right )^{3/4}} \]
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Time = 7.34 (sec) , antiderivative size = 199, normalized size of antiderivative = 1.49
method | result | size |
pseudoelliptic | \(\frac {\left (-5 \ln \left (\frac {-2^{\frac {1}{4}} x -\left (x^{3} \left (-1+x \right )\right )^{\frac {1}{4}}}{2^{\frac {1}{4}} x -\left (x^{3} \left (-1+x \right )\right )^{\frac {1}{4}}}\right ) 2^{\frac {1}{4}}-10 \arctan \left (\frac {2^{\frac {3}{4}} \left (x^{3} \left (-1+x \right )\right )^{\frac {1}{4}}}{2 x}\right ) 2^{\frac {1}{4}}-\frac {49345 \ln \left (\frac {\left (x^{3} \left (-1+x \right )\right )^{\frac {1}{4}}-x}{x}\right )}{8192}+\frac {49345 \ln \left (\frac {x +\left (x^{3} \left (-1+x \right )\right )^{\frac {1}{4}}}{x}\right )}{8192}+\frac {49345 \arctan \left (\frac {\left (x^{3} \left (-1+x \right )\right )^{\frac {1}{4}}}{x}\right )}{4096}+\left (x^{4}-\frac {21}{16} x^{3}+\frac {325}{192} x^{2}-\frac {265}{1536} x -\frac {32575}{6144}\right ) \left (x^{3} \left (-1+x \right )\right )^{\frac {1}{4}}\right ) x^{15}}{5 {\left (x +\left (x^{3} \left (-1+x \right )\right )^{\frac {1}{4}}\right )}^{5} {\left (-\left (x^{3} \left (-1+x \right )\right )^{\frac {1}{4}}+x \right )}^{5} \left (x^{2}+\sqrt {x^{3} \left (-1+x \right )}\right )^{5}}\) | \(199\) |
trager | \(\left (\frac {1}{5} x^{4}-\frac {21}{80} x^{3}+\frac {65}{192} x^{2}-\frac {53}{1536} x -\frac {6515}{6144}\right ) \left (x^{4}-x^{3}\right )^{\frac {1}{4}}+\frac {9869 \ln \left (\frac {2 \left (x^{4}-x^{3}\right )^{\frac {3}{4}}+2 \sqrt {x^{4}-x^{3}}\, x +2 x^{2} \left (x^{4}-x^{3}\right )^{\frac {1}{4}}+2 x^{3}-x^{2}}{x^{2}}\right )}{8192}-\operatorname {RootOf}\left (\textit {\_Z}^{4}-2\right ) \ln \left (\frac {3 \operatorname {RootOf}\left (\textit {\_Z}^{4}-2\right )^{3} x^{3}-\operatorname {RootOf}\left (\textit {\_Z}^{4}-2\right )^{3} x^{2}+4 \operatorname {RootOf}\left (\textit {\_Z}^{4}-2\right )^{2} \left (x^{4}-x^{3}\right )^{\frac {1}{4}} x^{2}+4 \sqrt {x^{4}-x^{3}}\, \operatorname {RootOf}\left (\textit {\_Z}^{4}-2\right ) x +4 \left (x^{4}-x^{3}\right )^{\frac {3}{4}}}{x^{2} \left (1+x \right )}\right )+\operatorname {RootOf}\left (\textit {\_Z}^{2}+\operatorname {RootOf}\left (\textit {\_Z}^{4}-2\right )^{2}\right ) \ln \left (\frac {3 \operatorname {RootOf}\left (\textit {\_Z}^{2}+\operatorname {RootOf}\left (\textit {\_Z}^{4}-2\right )^{2}\right ) \operatorname {RootOf}\left (\textit {\_Z}^{4}-2\right )^{2} x^{3}-\operatorname {RootOf}\left (\textit {\_Z}^{4}-2\right )^{2} \operatorname {RootOf}\left (\textit {\_Z}^{2}+\operatorname {RootOf}\left (\textit {\_Z}^{4}-2\right )^{2}\right ) x^{2}-4 \operatorname {RootOf}\left (\textit {\_Z}^{4}-2\right )^{2} \left (x^{4}-x^{3}\right )^{\frac {1}{4}} x^{2}-4 \sqrt {x^{4}-x^{3}}\, \operatorname {RootOf}\left (\textit {\_Z}^{2}+\operatorname {RootOf}\left (\textit {\_Z}^{4}-2\right )^{2}\right ) x +4 \left (x^{4}-x^{3}\right )^{\frac {3}{4}}}{x^{2} \left (1+x \right )}\right )-\frac {9869 \operatorname {RootOf}\left (\textit {\_Z}^{4}-2\right )^{3} \operatorname {RootOf}\left (\textit {\_Z}^{2}+\operatorname {RootOf}\left (\textit {\_Z}^{4}-2\right )^{2}\right ) \ln \left (-\frac {2 \sqrt {x^{4}-x^{3}}\, \operatorname {RootOf}\left (\textit {\_Z}^{2}+\operatorname {RootOf}\left (\textit {\_Z}^{4}-2\right )^{2}\right ) \operatorname {RootOf}\left (\textit {\_Z}^{4}-2\right )^{3} x -2 \operatorname {RootOf}\left (\textit {\_Z}^{2}+\operatorname {RootOf}\left (\textit {\_Z}^{4}-2\right )^{2}\right ) \operatorname {RootOf}\left (\textit {\_Z}^{4}-2\right )^{3} x^{3}+\operatorname {RootOf}\left (\textit {\_Z}^{2}+\operatorname {RootOf}\left (\textit {\_Z}^{4}-2\right )^{2}\right ) \operatorname {RootOf}\left (\textit {\_Z}^{4}-2\right )^{3} x^{2}-4 \left (x^{4}-x^{3}\right )^{\frac {3}{4}}+4 x^{2} \left (x^{4}-x^{3}\right )^{\frac {1}{4}}}{x^{2}}\right )}{16384}\) | \(483\) |
risch | \(\text {Expression too large to display}\) | \(1040\) |
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Result contains complex when optimal does not.
Time = 0.27 (sec) , antiderivative size = 207, normalized size of antiderivative = 1.54 \[ \int \frac {\left (-1+x+x^4\right ) \sqrt [4]{-x^3+x^4}}{1+x} \, dx=\frac {1}{30720} \, {\left (6144 \, x^{4} - 8064 \, x^{3} + 10400 \, x^{2} - 1060 \, x - 32575\right )} {\left (x^{4} - x^{3}\right )}^{\frac {1}{4}} - 2^{\frac {1}{4}} \log \left (\frac {2^{\frac {1}{4}} x + {\left (x^{4} - x^{3}\right )}^{\frac {1}{4}}}{x}\right ) + 2^{\frac {1}{4}} \log \left (-\frac {2^{\frac {1}{4}} x - {\left (x^{4} - x^{3}\right )}^{\frac {1}{4}}}{x}\right ) - i \cdot 2^{\frac {1}{4}} \log \left (\frac {i \cdot 2^{\frac {1}{4}} x + {\left (x^{4} - x^{3}\right )}^{\frac {1}{4}}}{x}\right ) + i \cdot 2^{\frac {1}{4}} \log \left (\frac {-i \cdot 2^{\frac {1}{4}} x + {\left (x^{4} - x^{3}\right )}^{\frac {1}{4}}}{x}\right ) + \frac {9869}{4096} \, \arctan \left (\frac {{\left (x^{4} - x^{3}\right )}^{\frac {1}{4}}}{x}\right ) + \frac {9869}{8192} \, \log \left (\frac {x + {\left (x^{4} - x^{3}\right )}^{\frac {1}{4}}}{x}\right ) - \frac {9869}{8192} \, \log \left (-\frac {x - {\left (x^{4} - x^{3}\right )}^{\frac {1}{4}}}{x}\right ) \]
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\[ \int \frac {\left (-1+x+x^4\right ) \sqrt [4]{-x^3+x^4}}{1+x} \, dx=\int \frac {\sqrt [4]{x^{3} \left (x - 1\right )} \left (x^{4} + x - 1\right )}{x + 1}\, dx \]
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\[ \int \frac {\left (-1+x+x^4\right ) \sqrt [4]{-x^3+x^4}}{1+x} \, dx=\int { \frac {{\left (x^{4} - x^{3}\right )}^{\frac {1}{4}} {\left (x^{4} + x - 1\right )}}{x + 1} \,d x } \]
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none
Time = 0.35 (sec) , antiderivative size = 184, normalized size of antiderivative = 1.37 \[ \int \frac {\left (-1+x+x^4\right ) \sqrt [4]{-x^3+x^4}}{1+x} \, dx=-\frac {1}{30720} \, {\left (32575 \, {\left (\frac {1}{x} - 1\right )}^{4} {\left (-\frac {1}{x} + 1\right )}^{\frac {1}{4}} + 131360 \, {\left (\frac {1}{x} - 1\right )}^{3} {\left (-\frac {1}{x} + 1\right )}^{\frac {1}{4}} + 188230 \, {\left (\frac {1}{x} - 1\right )}^{2} {\left (-\frac {1}{x} + 1\right )}^{\frac {1}{4}} - 120744 \, {\left (-\frac {1}{x} + 1\right )}^{\frac {5}{4}} + 25155 \, {\left (-\frac {1}{x} + 1\right )}^{\frac {1}{4}}\right )} x^{5} - 2 \cdot 2^{\frac {1}{4}} \arctan \left (\frac {1}{2} \cdot 2^{\frac {3}{4}} {\left (-\frac {1}{x} + 1\right )}^{\frac {1}{4}}\right ) - 2^{\frac {1}{4}} \log \left (2^{\frac {1}{4}} + {\left (-\frac {1}{x} + 1\right )}^{\frac {1}{4}}\right ) + 2^{\frac {1}{4}} \log \left ({\left | -2^{\frac {1}{4}} + {\left (-\frac {1}{x} + 1\right )}^{\frac {1}{4}} \right |}\right ) + \frac {9869}{4096} \, \arctan \left ({\left (-\frac {1}{x} + 1\right )}^{\frac {1}{4}}\right ) + \frac {9869}{8192} \, \log \left ({\left (-\frac {1}{x} + 1\right )}^{\frac {1}{4}} + 1\right ) - \frac {9869}{8192} \, \log \left ({\left | {\left (-\frac {1}{x} + 1\right )}^{\frac {1}{4}} - 1 \right |}\right ) \]
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Timed out. \[ \int \frac {\left (-1+x+x^4\right ) \sqrt [4]{-x^3+x^4}}{1+x} \, dx=\int \frac {{\left (x^4-x^3\right )}^{1/4}\,\left (x^4+x-1\right )}{x+1} \,d x \]
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