Integrand size = 26, antiderivative size = 38 \[ \int \frac {e^{6 i \arctan (a x)} x^2}{\left (c+a^2 c x^2\right )^{19}} \, dx=-\frac {i+6 a x}{210 a^3 c^{19} (1-i a x)^{21} (1+i a x)^{15}} \]
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Time = 0.06 (sec) , antiderivative size = 38, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.077, Rules used = {5190, 82} \[ \int \frac {e^{6 i \arctan (a x)} x^2}{\left (c+a^2 c x^2\right )^{19}} \, dx=-\frac {6 a x+i}{210 a^3 c^{19} (1-i a x)^{21} (1+i a x)^{15}} \]
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Rule 82
Rule 5190
Rubi steps \begin{align*} \text {integral}& = \frac {\int \frac {x^2}{(1-i a x)^{22} (1+i a x)^{16}} \, dx}{c^{19}} \\ & = -\frac {i+6 a x}{210 a^3 c^{19} (1-i a x)^{21} (1+i a x)^{15}} \\ \end{align*}
Time = 0.82 (sec) , antiderivative size = 36, normalized size of antiderivative = 0.95 \[ \int \frac {e^{6 i \arctan (a x)} x^2}{\left (c+a^2 c x^2\right )^{19}} \, dx=\frac {i+6 a x}{210 a^3 c^{19} (-i+a x)^{15} (i+a x)^{21}} \]
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Time = 0.78 (sec) , antiderivative size = 34, normalized size of antiderivative = 0.89
method | result | size |
default | \(\frac {\frac {x}{35 a^{2}}+\frac {i}{210 a^{3}}}{c^{19} \left (a x +i\right )^{21} \left (a x -i\right )^{15}}\) | \(34\) |
risch | \(\frac {\frac {x}{35 a^{2}}+\frac {i}{210 a^{3}}}{c^{19} \left (a x +i\right )^{21} \left (a x -i\right )^{15}}\) | \(34\) |
gosper | \(\frac {\left (-a x +i\right ) \left (a x +i\right ) \left (6 a x +i\right ) \left (i a x +1\right )^{6}}{210 a^{3} \left (a^{2} x^{2}+1\right )^{22} c^{19}}\) | \(49\) |
parallelrisch | \(\frac {i x^{42} a^{39}+21 i x^{40} a^{37}+210 i x^{38} a^{35}+1330 i x^{36} a^{33}+5985 i x^{34} a^{31}+20349 i x^{32} a^{29}+54264 i x^{30} a^{27}+116280 i x^{28} a^{25}+203490 i x^{26} a^{23}+293930 i x^{24} a^{21}+352716 i x^{22} a^{19}+352716 i x^{20} a^{17}+293930 i x^{18} a^{15}+203490 i x^{16} a^{13}+116280 i x^{14} a^{11}+54264 i x^{12} a^{9}+20349 i x^{10} a^{7}+5985 i x^{8} a^{5}+6 a^{4} x^{7}+1295 i x^{6} a^{3}-84 a^{2} x^{5}+315 i x^{4} a +70 x^{3}}{210 c^{19} \left (a^{2} x^{2}+1\right )^{21}}\) | \(217\) |
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Both result and optimal contain complex but leaf count of result is larger than twice the leaf count of optimal. 379 vs. \(2 (30) = 60\).
Time = 0.62 (sec) , antiderivative size = 379, normalized size of antiderivative = 9.97 \[ \int \frac {e^{6 i \arctan (a x)} x^2}{\left (c+a^2 c x^2\right )^{19}} \, dx=\frac {6 \, a x + i}{210 \, {\left (a^{39} c^{19} x^{36} + 6 i \, a^{38} c^{19} x^{35} + 70 i \, a^{36} c^{19} x^{33} - 105 \, a^{35} c^{19} x^{32} + 336 i \, a^{34} c^{19} x^{31} - 896 \, a^{33} c^{19} x^{30} + 720 i \, a^{32} c^{19} x^{29} - 3900 \, a^{31} c^{19} x^{28} - 280 i \, a^{30} c^{19} x^{27} - 10752 \, a^{29} c^{19} x^{26} - 6552 i \, a^{28} c^{19} x^{25} - 20020 \, a^{27} c^{19} x^{24} - 21840 i \, a^{26} c^{19} x^{23} - 24960 \, a^{25} c^{19} x^{22} - 43472 i \, a^{24} c^{19} x^{21} - 18018 \, a^{23} c^{19} x^{20} - 60060 i \, a^{22} c^{19} x^{19} - 60060 i \, a^{20} c^{19} x^{17} + 18018 \, a^{19} c^{19} x^{16} - 43472 i \, a^{18} c^{19} x^{15} + 24960 \, a^{17} c^{19} x^{14} - 21840 i \, a^{16} c^{19} x^{13} + 20020 \, a^{15} c^{19} x^{12} - 6552 i \, a^{14} c^{19} x^{11} + 10752 \, a^{13} c^{19} x^{10} - 280 i \, a^{12} c^{19} x^{9} + 3900 \, a^{11} c^{19} x^{8} + 720 i \, a^{10} c^{19} x^{7} + 896 \, a^{9} c^{19} x^{6} + 336 i \, a^{8} c^{19} x^{5} + 105 \, a^{7} c^{19} x^{4} + 70 i \, a^{6} c^{19} x^{3} + 6 i \, a^{4} c^{19} x - a^{3} c^{19}\right )}} \]
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Both result and optimal contain complex but leaf count of result is larger than twice the leaf count of optimal. 439 vs. \(2 (32) = 64\).
Time = 2.71 (sec) , antiderivative size = 439, normalized size of antiderivative = 11.55 \[ \int \frac {e^{6 i \arctan (a x)} x^2}{\left (c+a^2 c x^2\right )^{19}} \, dx=- \frac {- 6 a x - i}{210 a^{39} c^{19} x^{36} + 1260 i a^{38} c^{19} x^{35} + 14700 i a^{36} c^{19} x^{33} - 22050 a^{35} c^{19} x^{32} + 70560 i a^{34} c^{19} x^{31} - 188160 a^{33} c^{19} x^{30} + 151200 i a^{32} c^{19} x^{29} - 819000 a^{31} c^{19} x^{28} - 58800 i a^{30} c^{19} x^{27} - 2257920 a^{29} c^{19} x^{26} - 1375920 i a^{28} c^{19} x^{25} - 4204200 a^{27} c^{19} x^{24} - 4586400 i a^{26} c^{19} x^{23} - 5241600 a^{25} c^{19} x^{22} - 9129120 i a^{24} c^{19} x^{21} - 3783780 a^{23} c^{19} x^{20} - 12612600 i a^{22} c^{19} x^{19} - 12612600 i a^{20} c^{19} x^{17} + 3783780 a^{19} c^{19} x^{16} - 9129120 i a^{18} c^{19} x^{15} + 5241600 a^{17} c^{19} x^{14} - 4586400 i a^{16} c^{19} x^{13} + 4204200 a^{15} c^{19} x^{12} - 1375920 i a^{14} c^{19} x^{11} + 2257920 a^{13} c^{19} x^{10} - 58800 i a^{12} c^{19} x^{9} + 819000 a^{11} c^{19} x^{8} + 151200 i a^{10} c^{19} x^{7} + 188160 a^{9} c^{19} x^{6} + 70560 i a^{8} c^{19} x^{5} + 22050 a^{7} c^{19} x^{4} + 14700 i a^{6} c^{19} x^{3} + 1260 i a^{4} c^{19} x - 210 a^{3} c^{19}} \]
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Both result and optimal contain complex but leaf count of result is larger than twice the leaf count of optimal. 292 vs. \(2 (30) = 60\).
Time = 0.35 (sec) , antiderivative size = 292, normalized size of antiderivative = 7.68 \[ \int \frac {e^{6 i \arctan (a x)} x^2}{\left (c+a^2 c x^2\right )^{19}} \, dx=\frac {6 \, a^{7} x^{7} - 35 i \, a^{6} x^{6} - 84 \, a^{5} x^{5} + 105 i \, a^{4} x^{4} + 70 \, a^{3} x^{3} - 21 i \, a^{2} x^{2} - i}{210 \, {\left (a^{45} c^{19} x^{42} + 21 \, a^{43} c^{19} x^{40} + 210 \, a^{41} c^{19} x^{38} + 1330 \, a^{39} c^{19} x^{36} + 5985 \, a^{37} c^{19} x^{34} + 20349 \, a^{35} c^{19} x^{32} + 54264 \, a^{33} c^{19} x^{30} + 116280 \, a^{31} c^{19} x^{28} + 203490 \, a^{29} c^{19} x^{26} + 293930 \, a^{27} c^{19} x^{24} + 352716 \, a^{25} c^{19} x^{22} + 352716 \, a^{23} c^{19} x^{20} + 293930 \, a^{21} c^{19} x^{18} + 203490 \, a^{19} c^{19} x^{16} + 116280 \, a^{17} c^{19} x^{14} + 54264 \, a^{15} c^{19} x^{12} + 20349 \, a^{13} c^{19} x^{10} + 5985 \, a^{11} c^{19} x^{8} + 1330 \, a^{9} c^{19} x^{6} + 210 \, a^{7} c^{19} x^{4} + 21 \, a^{5} c^{19} x^{2} + a^{3} c^{19}\right )}} \]
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Both result and optimal contain complex but leaf count of result is larger than twice the leaf count of optimal. 299 vs. \(2 (30) = 60\).
Time = 0.30 (sec) , antiderivative size = 299, normalized size of antiderivative = 7.87 \[ \int \frac {e^{6 i \arctan (a x)} x^2}{\left (c+a^2 c x^2\right )^{19}} \, dx=-\frac {358229025 \, a^{14} x^{14} - 5340869100 i \, a^{13} x^{13} - 37114698075 \, a^{12} x^{12} + 159416118225 i \, a^{11} x^{11} + 473088806190 \, a^{10} x^{10} - 1026819468675 i \, a^{9} x^{9} - 1682288472150 \, a^{8} x^{8} + 2115551402250 i \, a^{7} x^{7} + 2054435046125 \, a^{6} x^{6} - 1535397250002 i \, a^{5} x^{5} - 870854759775 \, a^{4} x^{4} + 364307533205 i \, a^{3} x^{3} + 106553746740 \, a^{2} x^{2} - 19571887695 i \, a x - 1710785408}{901943132160 \, {\left (a x - i\right )}^{15} a^{3} c^{19}} + \frac {358229025 \, a^{20} x^{20} + 7555375800 i \, a^{19} x^{19} - 75901131600 \, a^{18} x^{18} - 483051354975 i \, a^{17} x^{17} + 2184946607340 \, a^{16} x^{16} + 7469205450840 i \, a^{15} x^{15} - 20031221295000 \, a^{14} x^{14} - 43177004037300 i \, a^{13} x^{13} + 76013078916950 \, a^{12} x^{12} + 110448380006328 i \, a^{11} x^{11} - 133277726128008 \, a^{10} x^{10} - 133908931763530 i \, a^{9} x^{9} + 111933156213900 \, a^{8} x^{8} + 77492989590120 i \, a^{7} x^{7} - 44041557267624 \, a^{6} x^{6} - 20244576347604 i \, a^{5} x^{5} + 7349182966545 \, a^{4} x^{4} + 2026362494800 i \, a^{3} x^{3} - 396520754280 \, a^{2} x^{2} - 48177926223 i \, a x + 2584181888}{901943132160 \, {\left (a x + i\right )}^{21} a^{3} c^{19}} \]
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Timed out. \[ \int \frac {e^{6 i \arctan (a x)} x^2}{\left (c+a^2 c x^2\right )^{19}} \, dx=\text {Hanged} \]
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