Integrand size = 16, antiderivative size = 466 \[ \int \frac {1}{x^4 \left (1+3 x^4+x^8\right )} \, dx=-\frac {1}{3 x^3}+\frac {\sqrt [4]{843+377 \sqrt {5}} \arctan \left (1-\frac {2^{3/4} x}{\sqrt [4]{3-\sqrt {5}}}\right )}{2\ 2^{3/4} \sqrt {5}}-\frac {\sqrt [4]{843+377 \sqrt {5}} \arctan \left (1+\frac {2^{3/4} x}{\sqrt [4]{3-\sqrt {5}}}\right )}{2\ 2^{3/4} \sqrt {5}}-\frac {\sqrt [4]{843-377 \sqrt {5}} \arctan \left (1-\frac {2^{3/4} x}{\sqrt [4]{3+\sqrt {5}}}\right )}{2\ 2^{3/4} \sqrt {5}}+\frac {\sqrt [4]{843-377 \sqrt {5}} \arctan \left (1+\frac {2^{3/4} x}{\sqrt [4]{3+\sqrt {5}}}\right )}{2\ 2^{3/4} \sqrt {5}}+\frac {\sqrt [4]{843+377 \sqrt {5}} \log \left (\sqrt {2 \left (3-\sqrt {5}\right )}-2 \sqrt [4]{2 \left (3-\sqrt {5}\right )} x+2 x^2\right )}{4\ 2^{3/4} \sqrt {5}}-\frac {\sqrt [4]{843+377 \sqrt {5}} \log \left (\sqrt {2 \left (3-\sqrt {5}\right )}+2 \sqrt [4]{2 \left (3-\sqrt {5}\right )} x+2 x^2\right )}{4\ 2^{3/4} \sqrt {5}}-\frac {\sqrt [4]{843-377 \sqrt {5}} \log \left (\sqrt {2 \left (3+\sqrt {5}\right )}-2 \sqrt [4]{2 \left (3+\sqrt {5}\right )} x+2 x^2\right )}{4\ 2^{3/4} \sqrt {5}}+\frac {\sqrt [4]{843-377 \sqrt {5}} \log \left (\sqrt {2 \left (3+\sqrt {5}\right )}+2 \sqrt [4]{2 \left (3+\sqrt {5}\right )} x+2 x^2\right )}{4\ 2^{3/4} \sqrt {5}} \]
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Time = 0.26 (sec) , antiderivative size = 466, normalized size of antiderivative = 1.00, number of steps used = 20, number of rules used = 8, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.500, Rules used = {1382, 1436, 217, 1179, 642, 1176, 631, 210} \[ \int \frac {1}{x^4 \left (1+3 x^4+x^8\right )} \, dx=\frac {\sqrt [4]{843+377 \sqrt {5}} \arctan \left (1-\frac {2^{3/4} x}{\sqrt [4]{3-\sqrt {5}}}\right )}{2\ 2^{3/4} \sqrt {5}}-\frac {\sqrt [4]{843+377 \sqrt {5}} \arctan \left (\frac {2^{3/4} x}{\sqrt [4]{3-\sqrt {5}}}+1\right )}{2\ 2^{3/4} \sqrt {5}}-\frac {\sqrt [4]{843-377 \sqrt {5}} \arctan \left (1-\frac {2^{3/4} x}{\sqrt [4]{3+\sqrt {5}}}\right )}{2\ 2^{3/4} \sqrt {5}}+\frac {\sqrt [4]{843-377 \sqrt {5}} \arctan \left (\frac {2^{3/4} x}{\sqrt [4]{3+\sqrt {5}}}+1\right )}{2\ 2^{3/4} \sqrt {5}}-\frac {1}{3 x^3}+\frac {\sqrt [4]{843+377 \sqrt {5}} \log \left (2 x^2-2 \sqrt [4]{2 \left (3-\sqrt {5}\right )} x+\sqrt {2 \left (3-\sqrt {5}\right )}\right )}{4\ 2^{3/4} \sqrt {5}}-\frac {\sqrt [4]{843+377 \sqrt {5}} \log \left (2 x^2+2 \sqrt [4]{2 \left (3-\sqrt {5}\right )} x+\sqrt {2 \left (3-\sqrt {5}\right )}\right )}{4\ 2^{3/4} \sqrt {5}}-\frac {\sqrt [4]{843-377 \sqrt {5}} \log \left (2 x^2-2 \sqrt [4]{2 \left (3+\sqrt {5}\right )} x+\sqrt {2 \left (3+\sqrt {5}\right )}\right )}{4\ 2^{3/4} \sqrt {5}}+\frac {\sqrt [4]{843-377 \sqrt {5}} \log \left (2 x^2+2 \sqrt [4]{2 \left (3+\sqrt {5}\right )} x+\sqrt {2 \left (3+\sqrt {5}\right )}\right )}{4\ 2^{3/4} \sqrt {5}} \]
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Rule 210
Rule 217
Rule 631
Rule 642
Rule 1176
Rule 1179
Rule 1382
Rule 1436
Rubi steps \begin{align*} \text {integral}& = -\frac {1}{3 x^3}+\frac {1}{3} \int \frac {-9-3 x^4}{1+3 x^4+x^8} \, dx \\ & = -\frac {1}{3 x^3}+\frac {1}{10} \left (-5+3 \sqrt {5}\right ) \int \frac {1}{\frac {3}{2}+\frac {\sqrt {5}}{2}+x^4} \, dx-\frac {1}{10} \left (5+3 \sqrt {5}\right ) \int \frac {1}{\frac {3}{2}-\frac {\sqrt {5}}{2}+x^4} \, dx \\ & = -\frac {1}{3 x^3}-\frac {\left (3+\sqrt {5}\right )^{3/2} \int \frac {\sqrt {3-\sqrt {5}}-\sqrt {2} x^2}{\frac {3}{2}-\frac {\sqrt {5}}{2}+x^4} \, dx}{8 \sqrt {5}}-\frac {\left (3+\sqrt {5}\right )^{3/2} \int \frac {\sqrt {3-\sqrt {5}}+\sqrt {2} x^2}{\frac {3}{2}-\frac {\sqrt {5}}{2}+x^4} \, dx}{8 \sqrt {5}}+\frac {\left (-5+3 \sqrt {5}\right ) \int \frac {\sqrt {3+\sqrt {5}}-\sqrt {2} x^2}{\frac {3}{2}+\frac {\sqrt {5}}{2}+x^4} \, dx}{20 \sqrt {3+\sqrt {5}}}+\frac {\left (-5+3 \sqrt {5}\right ) \int \frac {\sqrt {3+\sqrt {5}}+\sqrt {2} x^2}{\frac {3}{2}+\frac {\sqrt {5}}{2}+x^4} \, dx}{20 \sqrt {3+\sqrt {5}}} \\ & = -\frac {1}{3 x^3}-\frac {\sqrt [4]{843-377 \sqrt {5}} \int \frac {\sqrt [4]{2 \left (3+\sqrt {5}\right )}+2 x}{-\sqrt {\frac {1}{2} \left (3+\sqrt {5}\right )}-\sqrt [4]{2 \left (3+\sqrt {5}\right )} x-x^2} \, dx}{4\ 2^{3/4} \sqrt {5}}-\frac {\sqrt [4]{843-377 \sqrt {5}} \int \frac {\sqrt [4]{2 \left (3+\sqrt {5}\right )}-2 x}{-\sqrt {\frac {1}{2} \left (3+\sqrt {5}\right )}+\sqrt [4]{2 \left (3+\sqrt {5}\right )} x-x^2} \, dx}{4\ 2^{3/4} \sqrt {5}}-\frac {\left (3+\sqrt {5}\right )^{3/2} \int \frac {1}{\sqrt {\frac {1}{2} \left (3-\sqrt {5}\right )}-\sqrt [4]{2 \left (3-\sqrt {5}\right )} x+x^2} \, dx}{8 \sqrt {10}}-\frac {\left (3+\sqrt {5}\right )^{3/2} \int \frac {1}{\sqrt {\frac {1}{2} \left (3-\sqrt {5}\right )}+\sqrt [4]{2 \left (3-\sqrt {5}\right )} x+x^2} \, dx}{8 \sqrt {10}}+\frac {\left (3+\sqrt {5}\right )^{7/4} \int \frac {\sqrt [4]{2 \left (3-\sqrt {5}\right )}+2 x}{-\sqrt {\frac {1}{2} \left (3-\sqrt {5}\right )}-\sqrt [4]{2 \left (3-\sqrt {5}\right )} x-x^2} \, dx}{16 \sqrt [4]{2} \sqrt {5}}+\frac {\left (3+\sqrt {5}\right )^{7/4} \int \frac {\sqrt [4]{2 \left (3-\sqrt {5}\right )}-2 x}{-\sqrt {\frac {1}{2} \left (3-\sqrt {5}\right )}+\sqrt [4]{2 \left (3-\sqrt {5}\right )} x-x^2} \, dx}{16 \sqrt [4]{2} \sqrt {5}}+\frac {\left (-5+3 \sqrt {5}\right ) \int \frac {1}{\sqrt {\frac {1}{2} \left (3+\sqrt {5}\right )}-\sqrt [4]{2 \left (3+\sqrt {5}\right )} x+x^2} \, dx}{20 \sqrt {2 \left (3+\sqrt {5}\right )}}+\frac {\left (-5+3 \sqrt {5}\right ) \int \frac {1}{\sqrt {\frac {1}{2} \left (3+\sqrt {5}\right )}+\sqrt [4]{2 \left (3+\sqrt {5}\right )} x+x^2} \, dx}{20 \sqrt {2 \left (3+\sqrt {5}\right )}} \\ & = -\frac {1}{3 x^3}+\frac {\left (3+\sqrt {5}\right )^{7/4} \log \left (\sqrt {2 \left (3-\sqrt {5}\right )}-2 \sqrt [4]{2 \left (3-\sqrt {5}\right )} x+2 x^2\right )}{16 \sqrt [4]{2} \sqrt {5}}-\frac {\left (3+\sqrt {5}\right )^{7/4} \log \left (\sqrt {2 \left (3-\sqrt {5}\right )}+2 \sqrt [4]{2 \left (3-\sqrt {5}\right )} x+2 x^2\right )}{16 \sqrt [4]{2} \sqrt {5}}-\frac {\sqrt [4]{843-377 \sqrt {5}} \log \left (\sqrt {2 \left (3+\sqrt {5}\right )}-2 \sqrt [4]{2 \left (3+\sqrt {5}\right )} x+2 x^2\right )}{4\ 2^{3/4} \sqrt {5}}+\frac {\sqrt [4]{843-377 \sqrt {5}} \log \left (\sqrt {2 \left (3+\sqrt {5}\right )}+2 \sqrt [4]{2 \left (3+\sqrt {5}\right )} x+2 x^2\right )}{4\ 2^{3/4} \sqrt {5}}+\frac {\sqrt [4]{843-377 \sqrt {5}} \text {Subst}\left (\int \frac {1}{-1-x^2} \, dx,x,1-\frac {2^{3/4} x}{\sqrt [4]{3+\sqrt {5}}}\right )}{2\ 2^{3/4} \sqrt {5}}-\frac {\sqrt [4]{843-377 \sqrt {5}} \text {Subst}\left (\int \frac {1}{-1-x^2} \, dx,x,1+\frac {2^{3/4} x}{\sqrt [4]{3+\sqrt {5}}}\right )}{2\ 2^{3/4} \sqrt {5}}-\frac {\left (3+\sqrt {5}\right )^{7/4} \text {Subst}\left (\int \frac {1}{-1-x^2} \, dx,x,1-\frac {2^{3/4} x}{\sqrt [4]{3-\sqrt {5}}}\right )}{8 \sqrt [4]{2} \sqrt {5}}+\frac {\left (3+\sqrt {5}\right )^{7/4} \text {Subst}\left (\int \frac {1}{-1-x^2} \, dx,x,1+\frac {2^{3/4} x}{\sqrt [4]{3-\sqrt {5}}}\right )}{8 \sqrt [4]{2} \sqrt {5}} \\ & = -\frac {1}{3 x^3}+\frac {\left (3+\sqrt {5}\right )^{7/4} \tan ^{-1}\left (1-\frac {2^{3/4} x}{\sqrt [4]{3-\sqrt {5}}}\right )}{8 \sqrt [4]{2} \sqrt {5}}-\frac {\left (3+\sqrt {5}\right )^{7/4} \tan ^{-1}\left (1+\frac {2^{3/4} x}{\sqrt [4]{3-\sqrt {5}}}\right )}{8 \sqrt [4]{2} \sqrt {5}}-\frac {\sqrt [4]{843-377 \sqrt {5}} \tan ^{-1}\left (1-\frac {2^{3/4} x}{\sqrt [4]{3+\sqrt {5}}}\right )}{2\ 2^{3/4} \sqrt {5}}+\frac {\sqrt [4]{843-377 \sqrt {5}} \tan ^{-1}\left (1+\frac {2^{3/4} x}{\sqrt [4]{3+\sqrt {5}}}\right )}{2\ 2^{3/4} \sqrt {5}}+\frac {\left (3+\sqrt {5}\right )^{7/4} \log \left (\sqrt {2 \left (3-\sqrt {5}\right )}-2 \sqrt [4]{2 \left (3-\sqrt {5}\right )} x+2 x^2\right )}{16 \sqrt [4]{2} \sqrt {5}}-\frac {\left (3+\sqrt {5}\right )^{7/4} \log \left (\sqrt {2 \left (3-\sqrt {5}\right )}+2 \sqrt [4]{2 \left (3-\sqrt {5}\right )} x+2 x^2\right )}{16 \sqrt [4]{2} \sqrt {5}}-\frac {\sqrt [4]{843-377 \sqrt {5}} \log \left (\sqrt {2 \left (3+\sqrt {5}\right )}-2 \sqrt [4]{2 \left (3+\sqrt {5}\right )} x+2 x^2\right )}{4\ 2^{3/4} \sqrt {5}}+\frac {\sqrt [4]{843-377 \sqrt {5}} \log \left (\sqrt {2 \left (3+\sqrt {5}\right )}+2 \sqrt [4]{2 \left (3+\sqrt {5}\right )} x+2 x^2\right )}{4\ 2^{3/4} \sqrt {5}} \\ \end{align*}
Result contains higher order function than in optimal. Order 9 vs. order 3 in optimal.
Time = 0.02 (sec) , antiderivative size = 65, normalized size of antiderivative = 0.14 \[ \int \frac {1}{x^4 \left (1+3 x^4+x^8\right )} \, dx=-\frac {1}{3 x^3}-\frac {1}{4} \text {RootSum}\left [1+3 \text {$\#$1}^4+\text {$\#$1}^8\&,\frac {3 \log (x-\text {$\#$1})+\log (x-\text {$\#$1}) \text {$\#$1}^4}{3 \text {$\#$1}^3+2 \text {$\#$1}^7}\&\right ] \]
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Result contains higher order function than in optimal. Order 9 vs. order 3.
Time = 0.10 (sec) , antiderivative size = 40, normalized size of antiderivative = 0.09
method | result | size |
risch | \(-\frac {1}{3 x^{3}}+\frac {\left (\munderset {\textit {\_R} =\operatorname {RootOf}\left (625 \textit {\_Z}^{8}+21075 \textit {\_Z}^{4}+1\right )}{\sum }\textit {\_R} \ln \left (175 \textit {\_R}^{5}+5778 \textit {\_R} +377 x \right )\right )}{4}\) | \(40\) |
default | \(\frac {\left (\munderset {\textit {\_R} =\operatorname {RootOf}\left (\textit {\_Z}^{8}+3 \textit {\_Z}^{4}+1\right )}{\sum }\frac {\left (-\textit {\_R}^{4}-3\right ) \ln \left (x -\textit {\_R} \right )}{2 \textit {\_R}^{7}+3 \textit {\_R}^{3}}\right )}{4}-\frac {1}{3 x^{3}}\) | \(50\) |
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Time = 0.27 (sec) , antiderivative size = 451, normalized size of antiderivative = 0.97 \[ \int \frac {1}{x^4 \left (1+3 x^4+x^8\right )} \, dx=\frac {3 \, \sqrt {10} x^{3} \sqrt {\sqrt {2} \sqrt {377 \, \sqrt {5} - 843}} \log \left (\sqrt {10} \sqrt {\sqrt {2} \sqrt {377 \, \sqrt {5} - 843}} {\left (7 \, \sqrt {5} + 15\right )} + 20 \, x\right ) - 3 \, \sqrt {10} x^{3} \sqrt {\sqrt {2} \sqrt {377 \, \sqrt {5} - 843}} \log \left (-\sqrt {10} \sqrt {\sqrt {2} \sqrt {377 \, \sqrt {5} - 843}} {\left (7 \, \sqrt {5} + 15\right )} + 20 \, x\right ) + 3 \, \sqrt {10} x^{3} \sqrt {-\sqrt {2} \sqrt {377 \, \sqrt {5} - 843}} \log \left (\sqrt {10} \sqrt {-\sqrt {2} \sqrt {377 \, \sqrt {5} - 843}} {\left (7 \, \sqrt {5} + 15\right )} + 20 \, x\right ) - 3 \, \sqrt {10} x^{3} \sqrt {-\sqrt {2} \sqrt {377 \, \sqrt {5} - 843}} \log \left (-\sqrt {10} \sqrt {-\sqrt {2} \sqrt {377 \, \sqrt {5} - 843}} {\left (7 \, \sqrt {5} + 15\right )} + 20 \, x\right ) - 3 \, \sqrt {10} x^{3} \sqrt {\sqrt {2} \sqrt {-377 \, \sqrt {5} - 843}} \log \left (\sqrt {10} \sqrt {\sqrt {2} \sqrt {-377 \, \sqrt {5} - 843}} {\left (7 \, \sqrt {5} - 15\right )} + 20 \, x\right ) + 3 \, \sqrt {10} x^{3} \sqrt {\sqrt {2} \sqrt {-377 \, \sqrt {5} - 843}} \log \left (-\sqrt {10} \sqrt {\sqrt {2} \sqrt {-377 \, \sqrt {5} - 843}} {\left (7 \, \sqrt {5} - 15\right )} + 20 \, x\right ) - 3 \, \sqrt {10} x^{3} \sqrt {-\sqrt {2} \sqrt {-377 \, \sqrt {5} - 843}} \log \left (\sqrt {10} \sqrt {-\sqrt {2} \sqrt {-377 \, \sqrt {5} - 843}} {\left (7 \, \sqrt {5} - 15\right )} + 20 \, x\right ) + 3 \, \sqrt {10} x^{3} \sqrt {-\sqrt {2} \sqrt {-377 \, \sqrt {5} - 843}} \log \left (-\sqrt {10} \sqrt {-\sqrt {2} \sqrt {-377 \, \sqrt {5} - 843}} {\left (7 \, \sqrt {5} - 15\right )} + 20 \, x\right ) - 40}{120 \, x^{3}} \]
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Time = 0.96 (sec) , antiderivative size = 34, normalized size of antiderivative = 0.07 \[ \int \frac {1}{x^4 \left (1+3 x^4+x^8\right )} \, dx=\operatorname {RootSum} {\left (40960000 t^{8} + 5395200 t^{4} + 1, \left ( t \mapsto t \log {\left (\frac {179200 t^{5}}{377} + \frac {23112 t}{377} + x \right )} \right )\right )} - \frac {1}{3 x^{3}} \]
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\[ \int \frac {1}{x^4 \left (1+3 x^4+x^8\right )} \, dx=\int { \frac {1}{{\left (x^{8} + 3 \, x^{4} + 1\right )} x^{4}} \,d x } \]
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Time = 0.37 (sec) , antiderivative size = 244, normalized size of antiderivative = 0.52 \[ \int \frac {1}{x^4 \left (1+3 x^4+x^8\right )} \, dx=-\frac {1}{80} \, {\left (\pi + 4 \, \arctan \left (x \sqrt {\sqrt {5} + 1} + 1\right )\right )} \sqrt {65 \, \sqrt {5} + 145} + \frac {1}{80} \, {\left (\pi + 4 \, \arctan \left (-x \sqrt {\sqrt {5} + 1} + 1\right )\right )} \sqrt {65 \, \sqrt {5} + 145} + \frac {1}{80} \, {\left (\pi + 4 \, \arctan \left (x \sqrt {\sqrt {5} - 1} - 1\right )\right )} \sqrt {65 \, \sqrt {5} - 145} - \frac {1}{80} \, {\left (\pi + 4 \, \arctan \left (-x \sqrt {\sqrt {5} - 1} - 1\right )\right )} \sqrt {65 \, \sqrt {5} - 145} + \frac {1}{40} \, \sqrt {65 \, \sqrt {5} - 145} \log \left (93122500 \, {\left (x + \sqrt {\sqrt {5} + 1}\right )}^{2} + 93122500 \, x^{2}\right ) - \frac {1}{40} \, \sqrt {65 \, \sqrt {5} - 145} \log \left (93122500 \, {\left (x - \sqrt {\sqrt {5} + 1}\right )}^{2} + 93122500 \, x^{2}\right ) - \frac {1}{40} \, \sqrt {65 \, \sqrt {5} + 145} \log \left (53728900 \, {\left (x + \sqrt {\sqrt {5} - 1}\right )}^{2} + 53728900 \, x^{2}\right ) + \frac {1}{40} \, \sqrt {65 \, \sqrt {5} + 145} \log \left (53728900 \, {\left (x - \sqrt {\sqrt {5} - 1}\right )}^{2} + 53728900 \, x^{2}\right ) - \frac {1}{3 \, x^{3}} \]
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Time = 0.12 (sec) , antiderivative size = 492, normalized size of antiderivative = 1.06 \[ \int \frac {1}{x^4 \left (1+3 x^4+x^8\right )} \, dx=\frac {2^{3/4}\,\sqrt {5}\,\mathrm {atan}\left (\frac {46371\,2^{3/4}\,x\,{\left (377\,\sqrt {5}-843\right )}^{1/4}}{2\,\left (3393\,\sqrt {2}\,\sqrt {377\,\sqrt {5}-843}-1508\,\sqrt {2}\,\sqrt {5}\,\sqrt {377\,\sqrt {5}-843}\right )}-\frac {20735\,2^{3/4}\,\sqrt {5}\,x\,{\left (377\,\sqrt {5}-843\right )}^{1/4}}{2\,\left (3393\,\sqrt {2}\,\sqrt {377\,\sqrt {5}-843}-1508\,\sqrt {2}\,\sqrt {5}\,\sqrt {377\,\sqrt {5}-843}\right )}\right )\,{\left (377\,\sqrt {5}-843\right )}^{1/4}}{20}-\frac {2^{3/4}\,\sqrt {5}\,\mathrm {atan}\left (\frac {46371\,2^{3/4}\,x\,{\left (-377\,\sqrt {5}-843\right )}^{1/4}}{2\,\left (3393\,\sqrt {2}\,\sqrt {-377\,\sqrt {5}-843}+1508\,\sqrt {2}\,\sqrt {5}\,\sqrt {-377\,\sqrt {5}-843}\right )}+\frac {20735\,2^{3/4}\,\sqrt {5}\,x\,{\left (-377\,\sqrt {5}-843\right )}^{1/4}}{2\,\left (3393\,\sqrt {2}\,\sqrt {-377\,\sqrt {5}-843}+1508\,\sqrt {2}\,\sqrt {5}\,\sqrt {-377\,\sqrt {5}-843}\right )}\right )\,{\left (-377\,\sqrt {5}-843\right )}^{1/4}}{20}-\frac {1}{3\,x^3}+\frac {2^{3/4}\,\sqrt {5}\,\mathrm {atan}\left (\frac {2^{3/4}\,x\,{\left (-377\,\sqrt {5}-843\right )}^{1/4}\,46371{}\mathrm {i}}{2\,\left (3393\,\sqrt {2}\,\sqrt {-377\,\sqrt {5}-843}+1508\,\sqrt {2}\,\sqrt {5}\,\sqrt {-377\,\sqrt {5}-843}\right )}+\frac {2^{3/4}\,\sqrt {5}\,x\,{\left (-377\,\sqrt {5}-843\right )}^{1/4}\,20735{}\mathrm {i}}{2\,\left (3393\,\sqrt {2}\,\sqrt {-377\,\sqrt {5}-843}+1508\,\sqrt {2}\,\sqrt {5}\,\sqrt {-377\,\sqrt {5}-843}\right )}\right )\,{\left (-377\,\sqrt {5}-843\right )}^{1/4}\,1{}\mathrm {i}}{20}-\frac {2^{3/4}\,\sqrt {5}\,\mathrm {atan}\left (\frac {2^{3/4}\,x\,{\left (377\,\sqrt {5}-843\right )}^{1/4}\,46371{}\mathrm {i}}{2\,\left (3393\,\sqrt {2}\,\sqrt {377\,\sqrt {5}-843}-1508\,\sqrt {2}\,\sqrt {5}\,\sqrt {377\,\sqrt {5}-843}\right )}-\frac {2^{3/4}\,\sqrt {5}\,x\,{\left (377\,\sqrt {5}-843\right )}^{1/4}\,20735{}\mathrm {i}}{2\,\left (3393\,\sqrt {2}\,\sqrt {377\,\sqrt {5}-843}-1508\,\sqrt {2}\,\sqrt {5}\,\sqrt {377\,\sqrt {5}-843}\right )}\right )\,{\left (377\,\sqrt {5}-843\right )}^{1/4}\,1{}\mathrm {i}}{20} \]
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