Integrand size = 27, antiderivative size = 224 \[ \int \frac {x^4 \left (d^2-e^2 x^2\right )^{5/2}}{(d+e x)^4} \, dx=-\frac {d^3 (d-e x)^4}{e^5 \sqrt {d^2-e^2 x^2}}-\frac {337 d^5 \sqrt {d^2-e^2 x^2}}{15 e^5}+\frac {175 d^4 x \sqrt {d^2-e^2 x^2}}{16 e^4}-\frac {71 d^3 x^2 \sqrt {d^2-e^2 x^2}}{15 e^3}+\frac {47 d^2 x^3 \sqrt {d^2-e^2 x^2}}{24 e^2}-\frac {4 d x^4 \sqrt {d^2-e^2 x^2}}{5 e}+\frac {1}{6} x^5 \sqrt {d^2-e^2 x^2}-\frac {239 d^6 \arctan \left (\frac {e x}{\sqrt {d^2-e^2 x^2}}\right )}{16 e^5} \]
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Time = 0.35 (sec) , antiderivative size = 224, normalized size of antiderivative = 1.00, number of steps used = 10, number of rules used = 6, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.222, Rules used = {866, 1649, 1829, 655, 223, 209} \[ \int \frac {x^4 \left (d^2-e^2 x^2\right )^{5/2}}{(d+e x)^4} \, dx=-\frac {239 d^6 \arctan \left (\frac {e x}{\sqrt {d^2-e^2 x^2}}\right )}{16 e^5}+\frac {1}{6} x^5 \sqrt {d^2-e^2 x^2}-\frac {4 d x^4 \sqrt {d^2-e^2 x^2}}{5 e}+\frac {47 d^2 x^3 \sqrt {d^2-e^2 x^2}}{24 e^2}-\frac {337 d^5 \sqrt {d^2-e^2 x^2}}{15 e^5}+\frac {175 d^4 x \sqrt {d^2-e^2 x^2}}{16 e^4}-\frac {d^3 (d-e x)^4}{e^5 \sqrt {d^2-e^2 x^2}}-\frac {71 d^3 x^2 \sqrt {d^2-e^2 x^2}}{15 e^3} \]
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Rule 209
Rule 223
Rule 655
Rule 866
Rule 1649
Rule 1829
Rubi steps \begin{align*} \text {integral}& = \int \frac {x^4 (d-e x)^4}{\left (d^2-e^2 x^2\right )^{3/2}} \, dx \\ & = -\frac {d^3 (d-e x)^4}{e^5 \sqrt {d^2-e^2 x^2}}-\frac {\int \frac {(d-e x)^3 \left (\frac {4 d^4}{e^4}-\frac {d^3 x}{e^3}+\frac {d^2 x^2}{e^2}-\frac {d x^3}{e}\right )}{\sqrt {d^2-e^2 x^2}} \, dx}{d} \\ & = -\frac {d^3 (d-e x)^4}{e^5 \sqrt {d^2-e^2 x^2}}+\frac {1}{6} x^5 \sqrt {d^2-e^2 x^2}+\frac {\int \frac {-\frac {24 d^7}{e^2}+\frac {78 d^6 x}{e}-96 d^5 x^2+66 d^4 e x^3-47 d^3 e^2 x^4+24 d^2 e^3 x^5}{\sqrt {d^2-e^2 x^2}} \, dx}{6 d e^2} \\ & = -\frac {d^3 (d-e x)^4}{e^5 \sqrt {d^2-e^2 x^2}}-\frac {4 d x^4 \sqrt {d^2-e^2 x^2}}{5 e}+\frac {1}{6} x^5 \sqrt {d^2-e^2 x^2}-\frac {\int \frac {120 d^7-390 d^6 e x+480 d^5 e^2 x^2-426 d^4 e^3 x^3+235 d^3 e^4 x^4}{\sqrt {d^2-e^2 x^2}} \, dx}{30 d e^4} \\ & = -\frac {d^3 (d-e x)^4}{e^5 \sqrt {d^2-e^2 x^2}}+\frac {47 d^2 x^3 \sqrt {d^2-e^2 x^2}}{24 e^2}-\frac {4 d x^4 \sqrt {d^2-e^2 x^2}}{5 e}+\frac {1}{6} x^5 \sqrt {d^2-e^2 x^2}+\frac {\int \frac {-480 d^7 e^2+1560 d^6 e^3 x-2625 d^5 e^4 x^2+1704 d^4 e^5 x^3}{\sqrt {d^2-e^2 x^2}} \, dx}{120 d e^6} \\ & = -\frac {d^3 (d-e x)^4}{e^5 \sqrt {d^2-e^2 x^2}}-\frac {71 d^3 x^2 \sqrt {d^2-e^2 x^2}}{15 e^3}+\frac {47 d^2 x^3 \sqrt {d^2-e^2 x^2}}{24 e^2}-\frac {4 d x^4 \sqrt {d^2-e^2 x^2}}{5 e}+\frac {1}{6} x^5 \sqrt {d^2-e^2 x^2}-\frac {\int \frac {1440 d^7 e^4-8088 d^6 e^5 x+7875 d^5 e^6 x^2}{\sqrt {d^2-e^2 x^2}} \, dx}{360 d e^8} \\ & = -\frac {d^3 (d-e x)^4}{e^5 \sqrt {d^2-e^2 x^2}}+\frac {175 d^4 x \sqrt {d^2-e^2 x^2}}{16 e^4}-\frac {71 d^3 x^2 \sqrt {d^2-e^2 x^2}}{15 e^3}+\frac {47 d^2 x^3 \sqrt {d^2-e^2 x^2}}{24 e^2}-\frac {4 d x^4 \sqrt {d^2-e^2 x^2}}{5 e}+\frac {1}{6} x^5 \sqrt {d^2-e^2 x^2}+\frac {\int \frac {-10755 d^7 e^6+16176 d^6 e^7 x}{\sqrt {d^2-e^2 x^2}} \, dx}{720 d e^{10}} \\ & = -\frac {d^3 (d-e x)^4}{e^5 \sqrt {d^2-e^2 x^2}}-\frac {337 d^5 \sqrt {d^2-e^2 x^2}}{15 e^5}+\frac {175 d^4 x \sqrt {d^2-e^2 x^2}}{16 e^4}-\frac {71 d^3 x^2 \sqrt {d^2-e^2 x^2}}{15 e^3}+\frac {47 d^2 x^3 \sqrt {d^2-e^2 x^2}}{24 e^2}-\frac {4 d x^4 \sqrt {d^2-e^2 x^2}}{5 e}+\frac {1}{6} x^5 \sqrt {d^2-e^2 x^2}-\frac {\left (239 d^6\right ) \int \frac {1}{\sqrt {d^2-e^2 x^2}} \, dx}{16 e^4} \\ & = -\frac {d^3 (d-e x)^4}{e^5 \sqrt {d^2-e^2 x^2}}-\frac {337 d^5 \sqrt {d^2-e^2 x^2}}{15 e^5}+\frac {175 d^4 x \sqrt {d^2-e^2 x^2}}{16 e^4}-\frac {71 d^3 x^2 \sqrt {d^2-e^2 x^2}}{15 e^3}+\frac {47 d^2 x^3 \sqrt {d^2-e^2 x^2}}{24 e^2}-\frac {4 d x^4 \sqrt {d^2-e^2 x^2}}{5 e}+\frac {1}{6} x^5 \sqrt {d^2-e^2 x^2}-\frac {\left (239 d^6\right ) \text {Subst}\left (\int \frac {1}{1+e^2 x^2} \, dx,x,\frac {x}{\sqrt {d^2-e^2 x^2}}\right )}{16 e^4} \\ & = -\frac {d^3 (d-e x)^4}{e^5 \sqrt {d^2-e^2 x^2}}-\frac {337 d^5 \sqrt {d^2-e^2 x^2}}{15 e^5}+\frac {175 d^4 x \sqrt {d^2-e^2 x^2}}{16 e^4}-\frac {71 d^3 x^2 \sqrt {d^2-e^2 x^2}}{15 e^3}+\frac {47 d^2 x^3 \sqrt {d^2-e^2 x^2}}{24 e^2}-\frac {4 d x^4 \sqrt {d^2-e^2 x^2}}{5 e}+\frac {1}{6} x^5 \sqrt {d^2-e^2 x^2}-\frac {239 d^6 \tan ^{-1}\left (\frac {e x}{\sqrt {d^2-e^2 x^2}}\right )}{16 e^5} \\ \end{align*}
Time = 0.45 (sec) , antiderivative size = 132, normalized size of antiderivative = 0.59 \[ \int \frac {x^4 \left (d^2-e^2 x^2\right )^{5/2}}{(d+e x)^4} \, dx=\frac {\frac {\sqrt {d^2-e^2 x^2} \left (-5632 d^6-2047 d^5 e x+769 d^4 e^2 x^2-426 d^3 e^3 x^3+278 d^2 e^4 x^4-152 d e^5 x^5+40 e^6 x^6\right )}{d+e x}+7170 d^6 \arctan \left (\frac {e x}{\sqrt {d^2}-\sqrt {d^2-e^2 x^2}}\right )}{240 e^5} \]
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Time = 0.46 (sec) , antiderivative size = 153, normalized size of antiderivative = 0.68
method | result | size |
risch | \(-\frac {\left (-40 e^{5} x^{5}+192 d \,e^{4} x^{4}-470 d^{2} e^{3} x^{3}+896 d^{3} e^{2} x^{2}-1665 d^{4} e x +3712 d^{5}\right ) \sqrt {-e^{2} x^{2}+d^{2}}}{240 e^{5}}-\frac {239 d^{6} \arctan \left (\frac {\sqrt {e^{2}}\, x}{\sqrt {-e^{2} x^{2}+d^{2}}}\right )}{16 e^{4} \sqrt {e^{2}}}-\frac {8 d^{6} \sqrt {-\left (x +\frac {d}{e}\right )^{2} e^{2}+2 d e \left (x +\frac {d}{e}\right )}}{e^{6} \left (x +\frac {d}{e}\right )}\) | \(153\) |
default | \(\text {Expression too large to display}\) | \(1189\) |
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Time = 0.28 (sec) , antiderivative size = 146, normalized size of antiderivative = 0.65 \[ \int \frac {x^4 \left (d^2-e^2 x^2\right )^{5/2}}{(d+e x)^4} \, dx=-\frac {5632 \, d^{6} e x + 5632 \, d^{7} - 7170 \, {\left (d^{6} e x + d^{7}\right )} \arctan \left (-\frac {d - \sqrt {-e^{2} x^{2} + d^{2}}}{e x}\right ) - {\left (40 \, e^{6} x^{6} - 152 \, d e^{5} x^{5} + 278 \, d^{2} e^{4} x^{4} - 426 \, d^{3} e^{3} x^{3} + 769 \, d^{4} e^{2} x^{2} - 2047 \, d^{5} e x - 5632 \, d^{6}\right )} \sqrt {-e^{2} x^{2} + d^{2}}}{240 \, {\left (e^{6} x + d e^{5}\right )}} \]
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\[ \int \frac {x^4 \left (d^2-e^2 x^2\right )^{5/2}}{(d+e x)^4} \, dx=\int \frac {x^{4} \left (- \left (- d + e x\right ) \left (d + e x\right )\right )^{\frac {5}{2}}}{\left (d + e x\right )^{4}}\, dx \]
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Result contains complex when optimal does not.
Time = 0.29 (sec) , antiderivative size = 456, normalized size of antiderivative = 2.04 \[ \int \frac {x^4 \left (d^2-e^2 x^2\right )^{5/2}}{(d+e x)^4} \, dx=\frac {{\left (-e^{2} x^{2} + d^{2}\right )}^{\frac {5}{2}} d^{4}}{2 \, {\left (e^{8} x^{3} + 3 \, d e^{7} x^{2} + 3 \, d^{2} e^{6} x + d^{3} e^{5}\right )}} + \frac {5 \, {\left (-e^{2} x^{2} + d^{2}\right )}^{\frac {3}{2}} d^{5}}{2 \, {\left (e^{7} x^{2} + 2 \, d e^{6} x + d^{2} e^{5}\right )}} - \frac {15 \, \sqrt {-e^{2} x^{2} + d^{2}} d^{6}}{e^{6} x + d e^{5}} - \frac {4 \, {\left (-e^{2} x^{2} + d^{2}\right )}^{\frac {5}{2}} d^{3}}{3 \, {\left (e^{7} x^{2} + 2 \, d e^{6} x + d^{2} e^{5}\right )}} - \frac {10 \, {\left (-e^{2} x^{2} + d^{2}\right )}^{\frac {3}{2}} d^{4}}{3 \, {\left (e^{6} x + d e^{5}\right )}} + \frac {3 \, {\left (-e^{2} x^{2} + d^{2}\right )}^{\frac {5}{2}} d^{2}}{2 \, {\left (e^{6} x + d e^{5}\right )}} - \frac {9 i \, d^{6} \arcsin \left (\frac {e x}{d} + 2\right )}{4 \, e^{5}} - \frac {275 \, d^{6} \arcsin \left (\frac {e x}{d}\right )}{16 \, e^{5}} + \frac {9 \, \sqrt {e^{2} x^{2} + 4 \, d e x + 3 \, d^{2}} d^{4} x}{4 \, e^{4}} + \frac {5 \, \sqrt {-e^{2} x^{2} + d^{2}} d^{4} x}{16 \, e^{4}} + \frac {9 \, \sqrt {e^{2} x^{2} + 4 \, d e x + 3 \, d^{2}} d^{5}}{2 \, e^{5}} - \frac {10 \, \sqrt {-e^{2} x^{2} + d^{2}} d^{5}}{e^{5}} - \frac {19 \, {\left (-e^{2} x^{2} + d^{2}\right )}^{\frac {3}{2}} d^{2} x}{24 \, e^{4}} + \frac {5 \, {\left (-e^{2} x^{2} + d^{2}\right )}^{\frac {3}{2}} d^{3}}{2 \, e^{5}} + \frac {{\left (-e^{2} x^{2} + d^{2}\right )}^{\frac {5}{2}} x}{6 \, e^{4}} - \frac {4 \, {\left (-e^{2} x^{2} + d^{2}\right )}^{\frac {5}{2}} d}{5 \, e^{5}} \]
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Time = 0.31 (sec) , antiderivative size = 140, normalized size of antiderivative = 0.62 \[ \int \frac {x^4 \left (d^2-e^2 x^2\right )^{5/2}}{(d+e x)^4} \, dx=-\frac {239 \, d^{6} \arcsin \left (\frac {e x}{d}\right ) \mathrm {sgn}\left (d\right ) \mathrm {sgn}\left (e\right )}{16 \, e^{4} {\left | e \right |}} + \frac {1}{240} \, \sqrt {-e^{2} x^{2} + d^{2}} {\left ({\left (2 \, {\left ({\left (4 \, {\left (5 \, x - \frac {24 \, d}{e}\right )} x + \frac {235 \, d^{2}}{e^{2}}\right )} x - \frac {448 \, d^{3}}{e^{3}}\right )} x + \frac {1665 \, d^{4}}{e^{4}}\right )} x - \frac {3712 \, d^{5}}{e^{5}}\right )} + \frac {16 \, d^{6}}{e^{4} {\left (\frac {d e + \sqrt {-e^{2} x^{2} + d^{2}} {\left | e \right |}}{e^{2} x} + 1\right )} {\left | e \right |}} \]
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Timed out. \[ \int \frac {x^4 \left (d^2-e^2 x^2\right )^{5/2}}{(d+e x)^4} \, dx=\int \frac {x^4\,{\left (d^2-e^2\,x^2\right )}^{5/2}}{{\left (d+e\,x\right )}^4} \,d x \]
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