Integrand size = 23, antiderivative size = 175 \[ \int \frac {d+e x+f x^2}{\left (4-5 x^2+x^4\right )^3} \, dx=\frac {e \left (5-2 x^2\right )}{36 \left (4-5 x^2+x^4\right )^2}+\frac {x \left (17 d+20 f-(5 d+8 f) x^2\right )}{144 \left (4-5 x^2+x^4\right )^2}-\frac {e \left (5-2 x^2\right )}{54 \left (4-5 x^2+x^4\right )}-\frac {x \left (59 d+380 f-35 (d+4 f) x^2\right )}{3456 \left (4-5 x^2+x^4\right )}-\frac {(313 d+820 f) \text {arctanh}\left (\frac {x}{2}\right )}{20736}+\frac {1}{648} (13 d+25 f) \text {arctanh}(x)-\frac {1}{81} e \log \left (1-x^2\right )+\frac {1}{81} e \log \left (4-x^2\right ) \]
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Time = 0.14 (sec) , antiderivative size = 175, normalized size of antiderivative = 1.00, number of steps used = 13, number of rules used = 9, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.391, Rules used = {1687, 1192, 1180, 213, 12, 1121, 628, 630, 31} \[ \int \frac {d+e x+f x^2}{\left (4-5 x^2+x^4\right )^3} \, dx=-\frac {\text {arctanh}\left (\frac {x}{2}\right ) (313 d+820 f)}{20736}+\frac {1}{648} \text {arctanh}(x) (13 d+25 f)-\frac {x \left (-35 x^2 (d+4 f)+59 d+380 f\right )}{3456 \left (x^4-5 x^2+4\right )}+\frac {x \left (-\left (x^2 (5 d+8 f)\right )+17 d+20 f\right )}{144 \left (x^4-5 x^2+4\right )^2}-\frac {1}{81} e \log \left (1-x^2\right )+\frac {1}{81} e \log \left (4-x^2\right )-\frac {e \left (5-2 x^2\right )}{54 \left (x^4-5 x^2+4\right )}+\frac {e \left (5-2 x^2\right )}{36 \left (x^4-5 x^2+4\right )^2} \]
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Rule 12
Rule 31
Rule 213
Rule 628
Rule 630
Rule 1121
Rule 1180
Rule 1192
Rule 1687
Rubi steps \begin{align*} \text {integral}& = \int \frac {e x}{\left (4-5 x^2+x^4\right )^3} \, dx+\int \frac {d+f x^2}{\left (4-5 x^2+x^4\right )^3} \, dx \\ & = \frac {x \left (17 d+20 f-(5 d+8 f) x^2\right )}{144 \left (4-5 x^2+x^4\right )^2}-\frac {1}{144} \int \frac {-19 d+20 f+5 (5 d+8 f) x^2}{\left (4-5 x^2+x^4\right )^2} \, dx+e \int \frac {x}{\left (4-5 x^2+x^4\right )^3} \, dx \\ & = \frac {x \left (17 d+20 f-(5 d+8 f) x^2\right )}{144 \left (4-5 x^2+x^4\right )^2}-\frac {x \left (59 d+380 f-35 (d+4 f) x^2\right )}{3456 \left (4-5 x^2+x^4\right )}+\frac {\int \frac {3 (173 d+260 f)+105 (d+4 f) x^2}{4-5 x^2+x^4} \, dx}{10368}+\frac {1}{2} e \text {Subst}\left (\int \frac {1}{\left (4-5 x+x^2\right )^3} \, dx,x,x^2\right ) \\ & = \frac {e \left (5-2 x^2\right )}{36 \left (4-5 x^2+x^4\right )^2}+\frac {x \left (17 d+20 f-(5 d+8 f) x^2\right )}{144 \left (4-5 x^2+x^4\right )^2}-\frac {x \left (59 d+380 f-35 (d+4 f) x^2\right )}{3456 \left (4-5 x^2+x^4\right )}-\frac {1}{6} e \text {Subst}\left (\int \frac {1}{\left (4-5 x+x^2\right )^2} \, dx,x,x^2\right )+\frac {1}{648} (-13 d-25 f) \int \frac {1}{-1+x^2} \, dx+\frac {(313 d+820 f) \int \frac {1}{-4+x^2} \, dx}{10368} \\ & = \frac {e \left (5-2 x^2\right )}{36 \left (4-5 x^2+x^4\right )^2}+\frac {x \left (17 d+20 f-(5 d+8 f) x^2\right )}{144 \left (4-5 x^2+x^4\right )^2}-\frac {e \left (5-2 x^2\right )}{54 \left (4-5 x^2+x^4\right )}-\frac {x \left (59 d+380 f-35 (d+4 f) x^2\right )}{3456 \left (4-5 x^2+x^4\right )}-\frac {(313 d+820 f) \tanh ^{-1}\left (\frac {x}{2}\right )}{20736}+\frac {1}{648} (13 d+25 f) \tanh ^{-1}(x)+\frac {1}{27} e \text {Subst}\left (\int \frac {1}{4-5 x+x^2} \, dx,x,x^2\right ) \\ & = \frac {e \left (5-2 x^2\right )}{36 \left (4-5 x^2+x^4\right )^2}+\frac {x \left (17 d+20 f-(5 d+8 f) x^2\right )}{144 \left (4-5 x^2+x^4\right )^2}-\frac {e \left (5-2 x^2\right )}{54 \left (4-5 x^2+x^4\right )}-\frac {x \left (59 d+380 f-35 (d+4 f) x^2\right )}{3456 \left (4-5 x^2+x^4\right )}-\frac {(313 d+820 f) \tanh ^{-1}\left (\frac {x}{2}\right )}{20736}+\frac {1}{648} (13 d+25 f) \tanh ^{-1}(x)+\frac {1}{81} e \text {Subst}\left (\int \frac {1}{-4+x} \, dx,x,x^2\right )-\frac {1}{81} e \text {Subst}\left (\int \frac {1}{-1+x} \, dx,x,x^2\right ) \\ & = \frac {e \left (5-2 x^2\right )}{36 \left (4-5 x^2+x^4\right )^2}+\frac {x \left (17 d+20 f-(5 d+8 f) x^2\right )}{144 \left (4-5 x^2+x^4\right )^2}-\frac {e \left (5-2 x^2\right )}{54 \left (4-5 x^2+x^4\right )}-\frac {x \left (59 d+380 f-35 (d+4 f) x^2\right )}{3456 \left (4-5 x^2+x^4\right )}-\frac {(313 d+820 f) \tanh ^{-1}\left (\frac {x}{2}\right )}{20736}+\frac {1}{648} (13 d+25 f) \tanh ^{-1}(x)-\frac {1}{81} e \log \left (1-x^2\right )+\frac {1}{81} e \log \left (4-x^2\right ) \\ \end{align*}
Time = 0.09 (sec) , antiderivative size = 161, normalized size of antiderivative = 0.92 \[ \int \frac {d+e x+f x^2}{\left (4-5 x^2+x^4\right )^3} \, dx=\frac {\frac {288 \left (17 d x+20 f x-5 d x^3-8 f x^3+e \left (20-8 x^2\right )\right )}{\left (4-5 x^2+x^4\right )^2}+\frac {12 \left (64 e \left (-5+2 x^2\right )+20 f x \left (-19+7 x^2\right )+d x \left (-59+35 x^2\right )\right )}{4-5 x^2+x^4}-32 (13 d+16 e+25 f) \log (1-x)+(313 d+512 e+820 f) \log (2-x)+32 (13 d-16 e+25 f) \log (1+x)+(-313 d+512 e-820 f) \log (2+x)}{41472} \]
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Time = 0.12 (sec) , antiderivative size = 139, normalized size of antiderivative = 0.79
method | result | size |
norman | \(\frac {\left (-\frac {13 d}{192}-\frac {5 f}{16}\right ) x^{5}+\left (\frac {35 d}{384}+\frac {21 f}{32}\right ) x^{3}+\left (\frac {35 d}{3456}+\frac {35 f}{864}\right ) x^{7}+\left (\frac {43 d}{864}-\frac {65 f}{216}\right ) x +\frac {5 e \,x^{2}}{9}+\frac {e \,x^{6}}{27}-\frac {5 e \,x^{4}}{18}-\frac {25 e}{108}}{\left (x^{4}-5 x^{2}+4\right )^{2}}+\left (-\frac {313 d}{41472}+\frac {e}{81}-\frac {205 f}{10368}\right ) \ln \left (x +2\right )+\left (-\frac {13 d}{1296}-\frac {e}{81}-\frac {25 f}{1296}\right ) \ln \left (x -1\right )+\left (\frac {13 d}{1296}-\frac {e}{81}+\frac {25 f}{1296}\right ) \ln \left (x +1\right )+\left (\frac {313 d}{41472}+\frac {e}{81}+\frac {205 f}{10368}\right ) \ln \left (x -2\right )\) | \(139\) |
risch | \(\frac {\left (-\frac {13 d}{192}-\frac {5 f}{16}\right ) x^{5}+\left (\frac {35 d}{384}+\frac {21 f}{32}\right ) x^{3}+\left (\frac {35 d}{3456}+\frac {35 f}{864}\right ) x^{7}+\left (\frac {43 d}{864}-\frac {65 f}{216}\right ) x +\frac {5 e \,x^{2}}{9}+\frac {e \,x^{6}}{27}-\frac {5 e \,x^{4}}{18}-\frac {25 e}{108}}{\left (x^{4}-5 x^{2}+4\right )^{2}}+\frac {313 \ln \left (2-x \right ) d}{41472}+\frac {\ln \left (2-x \right ) e}{81}+\frac {205 \ln \left (2-x \right ) f}{10368}+\frac {13 \ln \left (x +1\right ) d}{1296}-\frac {\ln \left (x +1\right ) e}{81}+\frac {25 \ln \left (x +1\right ) f}{1296}-\frac {13 \ln \left (1-x \right ) d}{1296}-\frac {\ln \left (1-x \right ) e}{81}-\frac {25 \ln \left (1-x \right ) f}{1296}-\frac {313 \ln \left (x +2\right ) d}{41472}+\frac {\ln \left (x +2\right ) e}{81}-\frac {205 \ln \left (x +2\right ) f}{10368}\) | \(175\) |
default | \(\left (-\frac {313 d}{41472}+\frac {e}{81}-\frac {205 f}{10368}\right ) \ln \left (x +2\right )-\frac {-\frac {19 d}{6912}+\frac {17 e}{3456}-\frac {5 f}{576}}{x +2}-\frac {-\frac {d}{1728}+\frac {e}{864}-\frac {f}{432}}{2 \left (x +2\right )^{2}}-\frac {-\frac {d}{432}+\frac {e}{144}-\frac {5 f}{432}}{x +1}-\frac {\frac {d}{216}-\frac {e}{216}+\frac {f}{216}}{2 \left (x +1\right )^{2}}+\left (\frac {13 d}{1296}-\frac {e}{81}+\frac {25 f}{1296}\right ) \ln \left (x +1\right )+\left (-\frac {13 d}{1296}-\frac {e}{81}-\frac {25 f}{1296}\right ) \ln \left (x -1\right )-\frac {-\frac {d}{432}-\frac {e}{144}-\frac {5 f}{432}}{x -1}-\frac {-\frac {d}{216}-\frac {e}{216}-\frac {f}{216}}{2 \left (x -1\right )^{2}}-\frac {-\frac {19 d}{6912}-\frac {17 e}{3456}-\frac {5 f}{576}}{x -2}-\frac {\frac {d}{1728}+\frac {e}{864}+\frac {f}{432}}{2 \left (x -2\right )^{2}}+\left (\frac {313 d}{41472}+\frac {e}{81}+\frac {205 f}{10368}\right ) \ln \left (x -2\right )\) | \(198\) |
parallelrisch | \(\frac {-12960 f \,x^{5}+1536 e \,x^{6}-11520 e \,x^{4}-9600 e +27216 f \,x^{3}+420 d \,x^{7}+1680 f \,x^{7}+2064 d x +5008 \ln \left (x -2\right ) d +8192 \ln \left (x -2\right ) e -6656 \ln \left (x -1\right ) d -8192 \ln \left (x -1\right ) e -4160 \ln \left (x +1\right ) x^{6} d +16896 \ln \left (x -2\right ) x^{4} e -13120 \ln \left (x +2\right ) f +12800 \ln \left (x +1\right ) f +23040 e \,x^{2}-20480 \ln \left (x -2\right ) x^{2} e +16640 \ln \left (x -1\right ) x^{2} d +20480 \ln \left (x -1\right ) x^{2} e -16640 \ln \left (x +1\right ) x^{2} d +20480 \ln \left (x +1\right ) x^{2} e +12520 \ln \left (x +2\right ) x^{2} d -20480 \ln \left (x +2\right ) x^{2} e +10329 \ln \left (x -2\right ) x^{4} d +820 \ln \left (x -2\right ) x^{8} f -800 \ln \left (x -1\right ) x^{8} f +800 \ln \left (x +1\right ) x^{8} f -820 \ln \left (x +2\right ) x^{8} f -8200 \ln \left (x -2\right ) x^{6} f +8000 \ln \left (x -1\right ) x^{6} f -8000 \ln \left (x +1\right ) x^{6} f +8200 \ln \left (x +2\right ) x^{6} f -5008 \ln \left (x +2\right ) d +5120 \ln \left (x +1\right ) x^{6} e +3130 \ln \left (x +2\right ) x^{6} d -5120 \ln \left (x +2\right ) x^{6} e +8192 \ln \left (x +2\right ) e +6656 \ln \left (x +1\right ) d -8192 \ln \left (x +1\right ) e -2808 x^{5} d +3780 x^{3} d -512 \ln \left (x +1\right ) x^{8} e -26400 \ln \left (x -1\right ) x^{4} f +26400 \ln \left (x +1\right ) x^{4} f -27060 \ln \left (x +2\right ) x^{4} f +512 \ln \left (x -2\right ) x^{8} e -416 \ln \left (x -1\right ) x^{8} d -512 \ln \left (x -1\right ) x^{8} e +4160 \ln \left (x -1\right ) x^{6} d +5120 \ln \left (x -1\right ) x^{6} e -32800 \ln \left (x -2\right ) x^{2} f +32000 \ln \left (x -1\right ) x^{2} f -32000 \ln \left (x +1\right ) x^{2} f +32800 \ln \left (x +2\right ) x^{2} f +27060 \ln \left (x -2\right ) x^{4} f -313 \ln \left (x +2\right ) x^{8} d +512 \ln \left (x +2\right ) x^{8} e -3130 \ln \left (x -2\right ) x^{6} d +416 \ln \left (x +1\right ) x^{8} d -5120 \ln \left (x -2\right ) x^{6} e +13120 \ln \left (x -2\right ) f -12800 \ln \left (x -1\right ) f +313 \ln \left (x -2\right ) x^{8} d -13728 \ln \left (x -1\right ) x^{4} d -16896 \ln \left (x -1\right ) x^{4} e +13728 \ln \left (x +1\right ) x^{4} d -16896 \ln \left (x +1\right ) x^{4} e -10329 \ln \left (x +2\right ) x^{4} d +16896 \ln \left (x +2\right ) x^{4} e -12520 \ln \left (x -2\right ) x^{2} d -12480 f x}{41472 \left (x^{4}-5 x^{2}+4\right )^{2}}\) | \(645\) |
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Leaf count of result is larger than twice the leaf count of optimal. 389 vs. \(2 (156) = 312\).
Time = 0.32 (sec) , antiderivative size = 389, normalized size of antiderivative = 2.22 \[ \int \frac {d+e x+f x^2}{\left (4-5 x^2+x^4\right )^3} \, dx=\frac {420 \, {\left (d + 4 \, f\right )} x^{7} + 1536 \, e x^{6} - 216 \, {\left (13 \, d + 60 \, f\right )} x^{5} - 11520 \, e x^{4} + 756 \, {\left (5 \, d + 36 \, f\right )} x^{3} + 23040 \, e x^{2} + 48 \, {\left (43 \, d - 260 \, f\right )} x - {\left ({\left (313 \, d - 512 \, e + 820 \, f\right )} x^{8} - 10 \, {\left (313 \, d - 512 \, e + 820 \, f\right )} x^{6} + 33 \, {\left (313 \, d - 512 \, e + 820 \, f\right )} x^{4} - 40 \, {\left (313 \, d - 512 \, e + 820 \, f\right )} x^{2} + 5008 \, d - 8192 \, e + 13120 \, f\right )} \log \left (x + 2\right ) + 32 \, {\left ({\left (13 \, d - 16 \, e + 25 \, f\right )} x^{8} - 10 \, {\left (13 \, d - 16 \, e + 25 \, f\right )} x^{6} + 33 \, {\left (13 \, d - 16 \, e + 25 \, f\right )} x^{4} - 40 \, {\left (13 \, d - 16 \, e + 25 \, f\right )} x^{2} + 208 \, d - 256 \, e + 400 \, f\right )} \log \left (x + 1\right ) - 32 \, {\left ({\left (13 \, d + 16 \, e + 25 \, f\right )} x^{8} - 10 \, {\left (13 \, d + 16 \, e + 25 \, f\right )} x^{6} + 33 \, {\left (13 \, d + 16 \, e + 25 \, f\right )} x^{4} - 40 \, {\left (13 \, d + 16 \, e + 25 \, f\right )} x^{2} + 208 \, d + 256 \, e + 400 \, f\right )} \log \left (x - 1\right ) + {\left ({\left (313 \, d + 512 \, e + 820 \, f\right )} x^{8} - 10 \, {\left (313 \, d + 512 \, e + 820 \, f\right )} x^{6} + 33 \, {\left (313 \, d + 512 \, e + 820 \, f\right )} x^{4} - 40 \, {\left (313 \, d + 512 \, e + 820 \, f\right )} x^{2} + 5008 \, d + 8192 \, e + 13120 \, f\right )} \log \left (x - 2\right ) - 9600 \, e}{41472 \, {\left (x^{8} - 10 \, x^{6} + 33 \, x^{4} - 40 \, x^{2} + 16\right )}} \]
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Timed out. \[ \int \frac {d+e x+f x^2}{\left (4-5 x^2+x^4\right )^3} \, dx=\text {Timed out} \]
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Time = 0.20 (sec) , antiderivative size = 155, normalized size of antiderivative = 0.89 \[ \int \frac {d+e x+f x^2}{\left (4-5 x^2+x^4\right )^3} \, dx=-\frac {1}{41472} \, {\left (313 \, d - 512 \, e + 820 \, f\right )} \log \left (x + 2\right ) + \frac {1}{1296} \, {\left (13 \, d - 16 \, e + 25 \, f\right )} \log \left (x + 1\right ) - \frac {1}{1296} \, {\left (13 \, d + 16 \, e + 25 \, f\right )} \log \left (x - 1\right ) + \frac {1}{41472} \, {\left (313 \, d + 512 \, e + 820 \, f\right )} \log \left (x - 2\right ) + \frac {35 \, {\left (d + 4 \, f\right )} x^{7} + 128 \, e x^{6} - 18 \, {\left (13 \, d + 60 \, f\right )} x^{5} - 960 \, e x^{4} + 63 \, {\left (5 \, d + 36 \, f\right )} x^{3} + 1920 \, e x^{2} + 4 \, {\left (43 \, d - 260 \, f\right )} x - 800 \, e}{3456 \, {\left (x^{8} - 10 \, x^{6} + 33 \, x^{4} - 40 \, x^{2} + 16\right )}} \]
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Time = 0.32 (sec) , antiderivative size = 149, normalized size of antiderivative = 0.85 \[ \int \frac {d+e x+f x^2}{\left (4-5 x^2+x^4\right )^3} \, dx=-\frac {1}{41472} \, {\left (313 \, d - 512 \, e + 820 \, f\right )} \log \left ({\left | x + 2 \right |}\right ) + \frac {1}{1296} \, {\left (13 \, d - 16 \, e + 25 \, f\right )} \log \left ({\left | x + 1 \right |}\right ) - \frac {1}{1296} \, {\left (13 \, d + 16 \, e + 25 \, f\right )} \log \left ({\left | x - 1 \right |}\right ) + \frac {1}{41472} \, {\left (313 \, d + 512 \, e + 820 \, f\right )} \log \left ({\left | x - 2 \right |}\right ) + \frac {35 \, d x^{7} + 140 \, f x^{7} + 128 \, e x^{6} - 234 \, d x^{5} - 1080 \, f x^{5} - 960 \, e x^{4} + 315 \, d x^{3} + 2268 \, f x^{3} + 1920 \, e x^{2} + 172 \, d x - 1040 \, f x - 800 \, e}{3456 \, {\left (x^{4} - 5 \, x^{2} + 4\right )}^{2}} \]
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Time = 0.06 (sec) , antiderivative size = 151, normalized size of antiderivative = 0.86 \[ \int \frac {d+e x+f x^2}{\left (4-5 x^2+x^4\right )^3} \, dx=\ln \left (x+1\right )\,\left (\frac {13\,d}{1296}-\frac {e}{81}+\frac {25\,f}{1296}\right )-\ln \left (x-1\right )\,\left (\frac {13\,d}{1296}+\frac {e}{81}+\frac {25\,f}{1296}\right )+\ln \left (x-2\right )\,\left (\frac {313\,d}{41472}+\frac {e}{81}+\frac {205\,f}{10368}\right )-\ln \left (x+2\right )\,\left (\frac {313\,d}{41472}-\frac {e}{81}+\frac {205\,f}{10368}\right )+\frac {\left (\frac {35\,d}{3456}+\frac {35\,f}{864}\right )\,x^7+\frac {e\,x^6}{27}+\left (-\frac {13\,d}{192}-\frac {5\,f}{16}\right )\,x^5-\frac {5\,e\,x^4}{18}+\left (\frac {35\,d}{384}+\frac {21\,f}{32}\right )\,x^3+\frac {5\,e\,x^2}{9}+\left (\frac {43\,d}{864}-\frac {65\,f}{216}\right )\,x-\frac {25\,e}{108}}{x^8-10\,x^6+33\,x^4-40\,x^2+16} \]
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