Integrand size = 31, antiderivative size = 245 \[ \int \frac {4+x^2+3 x^4+5 x^6}{x^6 \left (3+2 x^2+x^4\right )^2} \, dx=-\frac {4}{45 x^5}+\frac {13}{81 x^3}-\frac {13}{27 x}+\frac {25 x \left (1-7 x^2\right )}{648 \left (3+2 x^2+x^4\right )}+\frac {\sqrt {\frac {1}{6} \left (-1139381+688419 \sqrt {3}\right )} \arctan \left (\frac {\sqrt {2 \left (-1+\sqrt {3}\right )}-2 x}{\sqrt {2 \left (1+\sqrt {3}\right )}}\right )}{1296}-\frac {\sqrt {\frac {1}{6} \left (-1139381+688419 \sqrt {3}\right )} \arctan \left (\frac {\sqrt {2 \left (-1+\sqrt {3}\right )}+2 x}{\sqrt {2 \left (1+\sqrt {3}\right )}}\right )}{1296}-\frac {\sqrt {\frac {1}{6} \left (1139381+688419 \sqrt {3}\right )} \log \left (\sqrt {3}-\sqrt {2 \left (-1+\sqrt {3}\right )} x+x^2\right )}{2592}+\frac {\sqrt {\frac {1}{6} \left (1139381+688419 \sqrt {3}\right )} \log \left (\sqrt {3}+\sqrt {2 \left (-1+\sqrt {3}\right )} x+x^2\right )}{2592} \]
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Time = 0.21 (sec) , antiderivative size = 245, normalized size of antiderivative = 1.00, number of steps used = 12, number of rules used = 7, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.226, Rules used = {1683, 1678, 1183, 648, 632, 210, 642} \[ \int \frac {4+x^2+3 x^4+5 x^6}{x^6 \left (3+2 x^2+x^4\right )^2} \, dx=\frac {\sqrt {\frac {1}{6} \left (688419 \sqrt {3}-1139381\right )} \arctan \left (\frac {\sqrt {2 \left (\sqrt {3}-1\right )}-2 x}{\sqrt {2 \left (1+\sqrt {3}\right )}}\right )}{1296}-\frac {\sqrt {\frac {1}{6} \left (688419 \sqrt {3}-1139381\right )} \arctan \left (\frac {2 x+\sqrt {2 \left (\sqrt {3}-1\right )}}{\sqrt {2 \left (1+\sqrt {3}\right )}}\right )}{1296}-\frac {4}{45 x^5}+\frac {13}{81 x^3}-\frac {\sqrt {\frac {1}{6} \left (1139381+688419 \sqrt {3}\right )} \log \left (x^2-\sqrt {2 \left (\sqrt {3}-1\right )} x+\sqrt {3}\right )}{2592}+\frac {\sqrt {\frac {1}{6} \left (1139381+688419 \sqrt {3}\right )} \log \left (x^2+\sqrt {2 \left (\sqrt {3}-1\right )} x+\sqrt {3}\right )}{2592}+\frac {25 x \left (1-7 x^2\right )}{648 \left (x^4+2 x^2+3\right )}-\frac {13}{27 x} \]
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Rule 210
Rule 632
Rule 642
Rule 648
Rule 1183
Rule 1678
Rule 1683
Rubi steps \begin{align*} \text {integral}& = \frac {25 x \left (1-7 x^2\right )}{648 \left (3+2 x^2+x^4\right )}+\frac {1}{48} \int \frac {64-\frac {80 x^2}{3}+\frac {400 x^4}{9}+\frac {1550 x^6}{27}-\frac {350 x^8}{27}}{x^6 \left (3+2 x^2+x^4\right )} \, dx \\ & = \frac {25 x \left (1-7 x^2\right )}{648 \left (3+2 x^2+x^4\right )}+\frac {1}{48} \int \left (\frac {64}{3 x^6}-\frac {208}{9 x^4}+\frac {208}{9 x^2}-\frac {2 \left (-463+487 x^2\right )}{27 \left (3+2 x^2+x^4\right )}\right ) \, dx \\ & = -\frac {4}{45 x^5}+\frac {13}{81 x^3}-\frac {13}{27 x}+\frac {25 x \left (1-7 x^2\right )}{648 \left (3+2 x^2+x^4\right )}-\frac {1}{648} \int \frac {-463+487 x^2}{3+2 x^2+x^4} \, dx \\ & = -\frac {4}{45 x^5}+\frac {13}{81 x^3}-\frac {13}{27 x}+\frac {25 x \left (1-7 x^2\right )}{648 \left (3+2 x^2+x^4\right )}-\frac {\int \frac {-463 \sqrt {2 \left (-1+\sqrt {3}\right )}-\left (-463-487 \sqrt {3}\right ) x}{\sqrt {3}-\sqrt {2 \left (-1+\sqrt {3}\right )} x+x^2} \, dx}{1296 \sqrt {6 \left (-1+\sqrt {3}\right )}}-\frac {\int \frac {-463 \sqrt {2 \left (-1+\sqrt {3}\right )}+\left (-463-487 \sqrt {3}\right ) x}{\sqrt {3}+\sqrt {2 \left (-1+\sqrt {3}\right )} x+x^2} \, dx}{1296 \sqrt {6 \left (-1+\sqrt {3}\right )}} \\ & = -\frac {4}{45 x^5}+\frac {13}{81 x^3}-\frac {13}{27 x}+\frac {25 x \left (1-7 x^2\right )}{648 \left (3+2 x^2+x^4\right )}-\frac {\left (1461-463 \sqrt {3}\right ) \int \frac {1}{\sqrt {3}-\sqrt {2 \left (-1+\sqrt {3}\right )} x+x^2} \, dx}{7776}+\frac {\left (-1461+463 \sqrt {3}\right ) \int \frac {1}{\sqrt {3}+\sqrt {2 \left (-1+\sqrt {3}\right )} x+x^2} \, dx}{7776}-\frac {\sqrt {\frac {1}{6} \left (1139381+688419 \sqrt {3}\right )} \int \frac {-\sqrt {2 \left (-1+\sqrt {3}\right )}+2 x}{\sqrt {3}-\sqrt {2 \left (-1+\sqrt {3}\right )} x+x^2} \, dx}{2592}+\frac {\sqrt {\frac {1}{6} \left (1139381+688419 \sqrt {3}\right )} \int \frac {\sqrt {2 \left (-1+\sqrt {3}\right )}+2 x}{\sqrt {3}+\sqrt {2 \left (-1+\sqrt {3}\right )} x+x^2} \, dx}{2592} \\ & = -\frac {4}{45 x^5}+\frac {13}{81 x^3}-\frac {13}{27 x}+\frac {25 x \left (1-7 x^2\right )}{648 \left (3+2 x^2+x^4\right )}-\frac {\sqrt {\frac {1}{6} \left (1139381+688419 \sqrt {3}\right )} \log \left (\sqrt {3}-\sqrt {2 \left (-1+\sqrt {3}\right )} x+x^2\right )}{2592}+\frac {\sqrt {\frac {1}{6} \left (1139381+688419 \sqrt {3}\right )} \log \left (\sqrt {3}+\sqrt {2 \left (-1+\sqrt {3}\right )} x+x^2\right )}{2592}+\frac {\left (1461-463 \sqrt {3}\right ) \text {Subst}\left (\int \frac {1}{-2 \left (1+\sqrt {3}\right )-x^2} \, dx,x,\sqrt {2 \left (-1+\sqrt {3}\right )}+2 x\right )}{3888}-\frac {\left (-1461+463 \sqrt {3}\right ) \text {Subst}\left (\int \frac {1}{-2 \left (1+\sqrt {3}\right )-x^2} \, dx,x,-\sqrt {2 \left (-1+\sqrt {3}\right )}+2 x\right )}{3888} \\ & = -\frac {4}{45 x^5}+\frac {13}{81 x^3}-\frac {13}{27 x}+\frac {25 x \left (1-7 x^2\right )}{648 \left (3+2 x^2+x^4\right )}+\frac {\sqrt {\frac {1}{6} \left (-1139381+688419 \sqrt {3}\right )} \tan ^{-1}\left (\frac {\sqrt {2 \left (-1+\sqrt {3}\right )}-2 x}{\sqrt {2 \left (1+\sqrt {3}\right )}}\right )}{1296}-\frac {\sqrt {\frac {1}{6} \left (-1139381+688419 \sqrt {3}\right )} \tan ^{-1}\left (\frac {\sqrt {2 \left (-1+\sqrt {3}\right )}+2 x}{\sqrt {2 \left (1+\sqrt {3}\right )}}\right )}{1296}-\frac {\sqrt {\frac {1}{6} \left (1139381+688419 \sqrt {3}\right )} \log \left (\sqrt {3}-\sqrt {2 \left (-1+\sqrt {3}\right )} x+x^2\right )}{2592}+\frac {\sqrt {\frac {1}{6} \left (1139381+688419 \sqrt {3}\right )} \log \left (\sqrt {3}+\sqrt {2 \left (-1+\sqrt {3}\right )} x+x^2\right )}{2592} \\ \end{align*}
Result contains complex when optimal does not.
Time = 0.21 (sec) , antiderivative size = 140, normalized size of antiderivative = 0.57 \[ \int \frac {4+x^2+3 x^4+5 x^6}{x^6 \left (3+2 x^2+x^4\right )^2} \, dx=\frac {-\frac {4 \left (864-984 x^2+3928 x^4+2475 x^6+2435 x^8\right )}{x^5 \left (3+2 x^2+x^4\right )}-\frac {10 i \left (-487 i+475 \sqrt {2}\right ) \arctan \left (\frac {x}{\sqrt {1-i \sqrt {2}}}\right )}{\sqrt {1-i \sqrt {2}}}+\frac {10 i \left (487 i+475 \sqrt {2}\right ) \arctan \left (\frac {x}{\sqrt {1+i \sqrt {2}}}\right )}{\sqrt {1+i \sqrt {2}}}}{12960} \]
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Result contains higher order function than in optimal. Order 9 vs. order 3.
Time = 0.11 (sec) , antiderivative size = 73, normalized size of antiderivative = 0.30
method | result | size |
risch | \(\frac {-\frac {487}{648} x^{8}-\frac {55}{72} x^{6}-\frac {491}{405} x^{4}+\frac {41}{135} x^{2}-\frac {4}{15}}{x^{5} \left (x^{4}+2 x^{2}+3\right )}+\frac {\left (\munderset {\textit {\_R} =\operatorname {RootOf}\left (3 \textit {\_Z}^{4}-2278762 \textit {\_Z}^{2}+473920719561\right )}{\sum }\textit {\_R} \ln \left (-2886 \textit {\_R}^{3}+1211171969 \textit {\_R} +171119622411 x \right )\right )}{2592}\) | \(73\) |
default | \(-\frac {4}{45 x^{5}}+\frac {13}{81 x^{3}}-\frac {13}{27 x}-\frac {\frac {175}{24} x^{3}-\frac {25}{24} x}{27 \left (x^{4}+2 x^{2}+3\right )}-\frac {\left (962 \sqrt {-2+2 \sqrt {3}}\, \sqrt {3}+1425 \sqrt {-2+2 \sqrt {3}}\right ) \ln \left (x^{2}+\sqrt {3}-x \sqrt {-2+2 \sqrt {3}}\right )}{15552}-\frac {\left (-926 \sqrt {3}+\frac {\left (962 \sqrt {-2+2 \sqrt {3}}\, \sqrt {3}+1425 \sqrt {-2+2 \sqrt {3}}\right ) \sqrt {-2+2 \sqrt {3}}}{2}\right ) \arctan \left (\frac {2 x -\sqrt {-2+2 \sqrt {3}}}{\sqrt {2+2 \sqrt {3}}}\right )}{3888 \sqrt {2+2 \sqrt {3}}}-\frac {\left (-962 \sqrt {-2+2 \sqrt {3}}\, \sqrt {3}-1425 \sqrt {-2+2 \sqrt {3}}\right ) \ln \left (x^{2}+\sqrt {3}+x \sqrt {-2+2 \sqrt {3}}\right )}{15552}-\frac {\left (-926 \sqrt {3}-\frac {\left (-962 \sqrt {-2+2 \sqrt {3}}\, \sqrt {3}-1425 \sqrt {-2+2 \sqrt {3}}\right ) \sqrt {-2+2 \sqrt {3}}}{2}\right ) \arctan \left (\frac {2 x +\sqrt {-2+2 \sqrt {3}}}{\sqrt {2+2 \sqrt {3}}}\right )}{3888 \sqrt {2+2 \sqrt {3}}}\) | \(293\) |
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Result contains complex when optimal does not.
Time = 0.26 (sec) , antiderivative size = 252, normalized size of antiderivative = 1.03 \[ \int \frac {4+x^2+3 x^4+5 x^6}{x^6 \left (3+2 x^2+x^4\right )^2} \, dx=-\frac {29220 \, x^{8} + 29700 \, x^{6} + 47136 \, x^{4} + 5 \, \sqrt {3} {\left (x^{9} + 2 \, x^{7} + 3 \, x^{5}\right )} \sqrt {248569 i \, \sqrt {2} + 1139381} \log \left (\sqrt {3} \sqrt {248569 i \, \sqrt {2} + 1139381} {\left (962 i \, \sqrt {2} - 463\right )} + 2065257 \, x\right ) - 5 \, \sqrt {3} {\left (x^{9} + 2 \, x^{7} + 3 \, x^{5}\right )} \sqrt {248569 i \, \sqrt {2} + 1139381} \log \left (\sqrt {3} \sqrt {248569 i \, \sqrt {2} + 1139381} {\left (-962 i \, \sqrt {2} + 463\right )} + 2065257 \, x\right ) - 5 \, \sqrt {3} {\left (x^{9} + 2 \, x^{7} + 3 \, x^{5}\right )} \sqrt {-248569 i \, \sqrt {2} + 1139381} \log \left (\sqrt {3} {\left (962 i \, \sqrt {2} + 463\right )} \sqrt {-248569 i \, \sqrt {2} + 1139381} + 2065257 \, x\right ) + 5 \, \sqrt {3} {\left (x^{9} + 2 \, x^{7} + 3 \, x^{5}\right )} \sqrt {-248569 i \, \sqrt {2} + 1139381} \log \left (\sqrt {3} {\left (-962 i \, \sqrt {2} - 463\right )} \sqrt {-248569 i \, \sqrt {2} + 1139381} + 2065257 \, x\right ) - 11808 \, x^{2} + 10368}{38880 \, {\left (x^{9} + 2 \, x^{7} + 3 \, x^{5}\right )}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 1202 vs. \(2 (199) = 398\).
Time = 0.77 (sec) , antiderivative size = 1202, normalized size of antiderivative = 4.91 \[ \int \frac {4+x^2+3 x^4+5 x^6}{x^6 \left (3+2 x^2+x^4\right )^2} \, dx=\text {Too large to display} \]
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\[ \int \frac {4+x^2+3 x^4+5 x^6}{x^6 \left (3+2 x^2+x^4\right )^2} \, dx=\int { \frac {5 \, x^{6} + 3 \, x^{4} + x^{2} + 4}{{\left (x^{4} + 2 \, x^{2} + 3\right )}^{2} x^{6}} \,d x } \]
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Leaf count of result is larger than twice the leaf count of optimal. 584 vs. \(2 (172) = 344\).
Time = 0.63 (sec) , antiderivative size = 584, normalized size of antiderivative = 2.38 \[ \int \frac {4+x^2+3 x^4+5 x^6}{x^6 \left (3+2 x^2+x^4\right )^2} \, dx=\frac {1}{1679616} \, \sqrt {2} {\left (487 \cdot 3^{\frac {3}{4}} \sqrt {2} {\left (6 \, \sqrt {3} + 18\right )}^{\frac {3}{2}} + 8766 \cdot 3^{\frac {3}{4}} \sqrt {2} \sqrt {6 \, \sqrt {3} + 18} {\left (\sqrt {3} - 3\right )} - 8766 \cdot 3^{\frac {3}{4}} {\left (\sqrt {3} + 3\right )} \sqrt {-6 \, \sqrt {3} + 18} + 487 \cdot 3^{\frac {3}{4}} {\left (-6 \, \sqrt {3} + 18\right )}^{\frac {3}{2}} + 16668 \cdot 3^{\frac {1}{4}} \sqrt {2} \sqrt {6 \, \sqrt {3} + 18} - 16668 \cdot 3^{\frac {1}{4}} \sqrt {-6 \, \sqrt {3} + 18}\right )} \arctan \left (\frac {3^{\frac {3}{4}} {\left (x + 3^{\frac {1}{4}} \sqrt {-\frac {1}{6} \, \sqrt {3} + \frac {1}{2}}\right )}}{3 \, \sqrt {\frac {1}{6} \, \sqrt {3} + \frac {1}{2}}}\right ) + \frac {1}{1679616} \, \sqrt {2} {\left (487 \cdot 3^{\frac {3}{4}} \sqrt {2} {\left (6 \, \sqrt {3} + 18\right )}^{\frac {3}{2}} + 8766 \cdot 3^{\frac {3}{4}} \sqrt {2} \sqrt {6 \, \sqrt {3} + 18} {\left (\sqrt {3} - 3\right )} - 8766 \cdot 3^{\frac {3}{4}} {\left (\sqrt {3} + 3\right )} \sqrt {-6 \, \sqrt {3} + 18} + 487 \cdot 3^{\frac {3}{4}} {\left (-6 \, \sqrt {3} + 18\right )}^{\frac {3}{2}} + 16668 \cdot 3^{\frac {1}{4}} \sqrt {2} \sqrt {6 \, \sqrt {3} + 18} - 16668 \cdot 3^{\frac {1}{4}} \sqrt {-6 \, \sqrt {3} + 18}\right )} \arctan \left (\frac {3^{\frac {3}{4}} {\left (x - 3^{\frac {1}{4}} \sqrt {-\frac {1}{6} \, \sqrt {3} + \frac {1}{2}}\right )}}{3 \, \sqrt {\frac {1}{6} \, \sqrt {3} + \frac {1}{2}}}\right ) + \frac {1}{3359232} \, \sqrt {2} {\left (8766 \cdot 3^{\frac {3}{4}} \sqrt {2} {\left (\sqrt {3} + 3\right )} \sqrt {-6 \, \sqrt {3} + 18} - 487 \cdot 3^{\frac {3}{4}} \sqrt {2} {\left (-6 \, \sqrt {3} + 18\right )}^{\frac {3}{2}} + 487 \cdot 3^{\frac {3}{4}} {\left (6 \, \sqrt {3} + 18\right )}^{\frac {3}{2}} + 8766 \cdot 3^{\frac {3}{4}} \sqrt {6 \, \sqrt {3} + 18} {\left (\sqrt {3} - 3\right )} + 16668 \cdot 3^{\frac {1}{4}} \sqrt {2} \sqrt {-6 \, \sqrt {3} + 18} + 16668 \cdot 3^{\frac {1}{4}} \sqrt {6 \, \sqrt {3} + 18}\right )} \log \left (x^{2} + 2 \cdot 3^{\frac {1}{4}} x \sqrt {-\frac {1}{6} \, \sqrt {3} + \frac {1}{2}} + \sqrt {3}\right ) - \frac {1}{3359232} \, \sqrt {2} {\left (8766 \cdot 3^{\frac {3}{4}} \sqrt {2} {\left (\sqrt {3} + 3\right )} \sqrt {-6 \, \sqrt {3} + 18} - 487 \cdot 3^{\frac {3}{4}} \sqrt {2} {\left (-6 \, \sqrt {3} + 18\right )}^{\frac {3}{2}} + 487 \cdot 3^{\frac {3}{4}} {\left (6 \, \sqrt {3} + 18\right )}^{\frac {3}{2}} + 8766 \cdot 3^{\frac {3}{4}} \sqrt {6 \, \sqrt {3} + 18} {\left (\sqrt {3} - 3\right )} + 16668 \cdot 3^{\frac {1}{4}} \sqrt {2} \sqrt {-6 \, \sqrt {3} + 18} + 16668 \cdot 3^{\frac {1}{4}} \sqrt {6 \, \sqrt {3} + 18}\right )} \log \left (x^{2} - 2 \cdot 3^{\frac {1}{4}} x \sqrt {-\frac {1}{6} \, \sqrt {3} + \frac {1}{2}} + \sqrt {3}\right ) - \frac {25 \, {\left (7 \, x^{3} - x\right )}}{648 \, {\left (x^{4} + 2 \, x^{2} + 3\right )}} - \frac {195 \, x^{4} - 65 \, x^{2} + 36}{405 \, x^{5}} \]
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Time = 8.77 (sec) , antiderivative size = 171, normalized size of antiderivative = 0.70 \[ \int \frac {4+x^2+3 x^4+5 x^6}{x^6 \left (3+2 x^2+x^4\right )^2} \, dx=-\frac {\frac {487\,x^8}{648}+\frac {55\,x^6}{72}+\frac {491\,x^4}{405}-\frac {41\,x^2}{135}+\frac {4}{15}}{x^9+2\,x^7+3\,x^5}-\frac {\mathrm {atan}\left (\frac {x\,\sqrt {3418143-\sqrt {2}\,745707{}\mathrm {i}}\,248569{}\mathrm {i}}{306110016\,\left (\frac {119561689}{51018336}+\frac {\sqrt {2}\,115087447{}\mathrm {i}}{204073344}\right )}+\frac {248569\,\sqrt {2}\,x\,\sqrt {3418143-\sqrt {2}\,745707{}\mathrm {i}}}{612220032\,\left (\frac {119561689}{51018336}+\frac {\sqrt {2}\,115087447{}\mathrm {i}}{204073344}\right )}\right )\,\sqrt {3418143-\sqrt {2}\,745707{}\mathrm {i}}\,1{}\mathrm {i}}{3888}+\frac {\mathrm {atan}\left (\frac {x\,\sqrt {3418143+\sqrt {2}\,745707{}\mathrm {i}}\,248569{}\mathrm {i}}{306110016\,\left (-\frac {119561689}{51018336}+\frac {\sqrt {2}\,115087447{}\mathrm {i}}{204073344}\right )}-\frac {248569\,\sqrt {2}\,x\,\sqrt {3418143+\sqrt {2}\,745707{}\mathrm {i}}}{612220032\,\left (-\frac {119561689}{51018336}+\frac {\sqrt {2}\,115087447{}\mathrm {i}}{204073344}\right )}\right )\,\sqrt {3418143+\sqrt {2}\,745707{}\mathrm {i}}\,1{}\mathrm {i}}{3888} \]
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