Integrand size = 27, antiderivative size = 128 \[ \int \frac {x^5}{(d+e x) \left (d^2-e^2 x^2\right )^{3/2}} \, dx=\frac {x^4 (d-e x)}{3 e^2 \left (d^2-e^2 x^2\right )^{3/2}}-\frac {x^2 (4 d-5 e x)}{3 e^4 \sqrt {d^2-e^2 x^2}}-\frac {(16 d-15 e x) \sqrt {d^2-e^2 x^2}}{6 e^6}-\frac {5 d^2 \arctan \left (\frac {e x}{\sqrt {d^2-e^2 x^2}}\right )}{2 e^6} \]
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Time = 0.07 (sec) , antiderivative size = 128, normalized size of antiderivative = 1.00, number of steps used = 6, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.185, Rules used = {864, 833, 794, 223, 209} \[ \int \frac {x^5}{(d+e x) \left (d^2-e^2 x^2\right )^{3/2}} \, dx=-\frac {5 d^2 \arctan \left (\frac {e x}{\sqrt {d^2-e^2 x^2}}\right )}{2 e^6}+\frac {x^4 (d-e x)}{3 e^2 \left (d^2-e^2 x^2\right )^{3/2}}-\frac {(16 d-15 e x) \sqrt {d^2-e^2 x^2}}{6 e^6}-\frac {x^2 (4 d-5 e x)}{3 e^4 \sqrt {d^2-e^2 x^2}} \]
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Rule 209
Rule 223
Rule 794
Rule 833
Rule 864
Rubi steps \begin{align*} \text {integral}& = \int \frac {x^5 (d-e x)}{\left (d^2-e^2 x^2\right )^{5/2}} \, dx \\ & = \frac {x^4 (d-e x)}{3 e^2 \left (d^2-e^2 x^2\right )^{3/2}}-\frac {\int \frac {x^3 \left (4 d^3-5 d^2 e x\right )}{\left (d^2-e^2 x^2\right )^{3/2}} \, dx}{3 d^2 e^2} \\ & = \frac {x^4 (d-e x)}{3 e^2 \left (d^2-e^2 x^2\right )^{3/2}}-\frac {x^2 (4 d-5 e x)}{3 e^4 \sqrt {d^2-e^2 x^2}}+\frac {\int \frac {x \left (8 d^5-15 d^4 e x\right )}{\sqrt {d^2-e^2 x^2}} \, dx}{3 d^4 e^4} \\ & = \frac {x^4 (d-e x)}{3 e^2 \left (d^2-e^2 x^2\right )^{3/2}}-\frac {x^2 (4 d-5 e x)}{3 e^4 \sqrt {d^2-e^2 x^2}}-\frac {(16 d-15 e x) \sqrt {d^2-e^2 x^2}}{6 e^6}-\frac {\left (5 d^2\right ) \int \frac {1}{\sqrt {d^2-e^2 x^2}} \, dx}{2 e^5} \\ & = \frac {x^4 (d-e x)}{3 e^2 \left (d^2-e^2 x^2\right )^{3/2}}-\frac {x^2 (4 d-5 e x)}{3 e^4 \sqrt {d^2-e^2 x^2}}-\frac {(16 d-15 e x) \sqrt {d^2-e^2 x^2}}{6 e^6}-\frac {\left (5 d^2\right ) \text {Subst}\left (\int \frac {1}{1+e^2 x^2} \, dx,x,\frac {x}{\sqrt {d^2-e^2 x^2}}\right )}{2 e^5} \\ & = \frac {x^4 (d-e x)}{3 e^2 \left (d^2-e^2 x^2\right )^{3/2}}-\frac {x^2 (4 d-5 e x)}{3 e^4 \sqrt {d^2-e^2 x^2}}-\frac {(16 d-15 e x) \sqrt {d^2-e^2 x^2}}{6 e^6}-\frac {5 d^2 \tan ^{-1}\left (\frac {e x}{\sqrt {d^2-e^2 x^2}}\right )}{2 e^6} \\ \end{align*}
Time = 0.35 (sec) , antiderivative size = 120, normalized size of antiderivative = 0.94 \[ \int \frac {x^5}{(d+e x) \left (d^2-e^2 x^2\right )^{3/2}} \, dx=\frac {\sqrt {d^2-e^2 x^2} \left (16 d^4+d^3 e x-23 d^2 e^2 x^2-3 d e^3 x^3+3 e^4 x^4\right )}{6 e^6 (-d+e x) (d+e x)^2}+\frac {5 d^2 \arctan \left (\frac {e x}{\sqrt {d^2}-\sqrt {d^2-e^2 x^2}}\right )}{e^6} \]
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Time = 0.41 (sec) , antiderivative size = 202, normalized size of antiderivative = 1.58
method | result | size |
risch | \(-\frac {\left (-e x +2 d \right ) \sqrt {-e^{2} x^{2}+d^{2}}}{2 e^{6}}-\frac {5 d^{2} \arctan \left (\frac {\sqrt {e^{2}}\, x}{\sqrt {-e^{2} x^{2}+d^{2}}}\right )}{2 e^{5} \sqrt {e^{2}}}+\frac {d^{3} \sqrt {-\left (x +\frac {d}{e}\right )^{2} e^{2}+2 d e \left (x +\frac {d}{e}\right )}}{6 e^{8} \left (x +\frac {d}{e}\right )^{2}}-\frac {25 d^{2} \sqrt {-\left (x +\frac {d}{e}\right )^{2} e^{2}+2 d e \left (x +\frac {d}{e}\right )}}{12 e^{7} \left (x +\frac {d}{e}\right )}-\frac {d^{2} \sqrt {-\left (x -\frac {d}{e}\right )^{2} e^{2}-2 d e \left (x -\frac {d}{e}\right )}}{4 e^{7} \left (x -\frac {d}{e}\right )}\) | \(202\) |
default | \(\frac {-\frac {x^{3}}{2 e^{2} \sqrt {-e^{2} x^{2}+d^{2}}}+\frac {3 d^{2} \left (\frac {x}{e^{2} \sqrt {-e^{2} x^{2}+d^{2}}}-\frac {\arctan \left (\frac {\sqrt {e^{2}}\, x}{\sqrt {-e^{2} x^{2}+d^{2}}}\right )}{e^{2} \sqrt {e^{2}}}\right )}{2 e^{2}}}{e}+\frac {d^{2} x}{e^{5} \sqrt {-e^{2} x^{2}+d^{2}}}+\frac {d^{2} \left (\frac {x}{e^{2} \sqrt {-e^{2} x^{2}+d^{2}}}-\frac {\arctan \left (\frac {\sqrt {e^{2}}\, x}{\sqrt {-e^{2} x^{2}+d^{2}}}\right )}{e^{2} \sqrt {e^{2}}}\right )}{e^{3}}-\frac {d \left (-\frac {x^{2}}{e^{2} \sqrt {-e^{2} x^{2}+d^{2}}}+\frac {2 d^{2}}{e^{4} \sqrt {-e^{2} x^{2}+d^{2}}}\right )}{e^{2}}-\frac {d^{3}}{e^{6} \sqrt {-e^{2} x^{2}+d^{2}}}-\frac {d^{5} \left (-\frac {1}{3 d e \left (x +\frac {d}{e}\right ) \sqrt {-\left (x +\frac {d}{e}\right )^{2} e^{2}+2 d e \left (x +\frac {d}{e}\right )}}-\frac {-2 \left (x +\frac {d}{e}\right ) e^{2}+2 d e}{3 e \,d^{3} \sqrt {-\left (x +\frac {d}{e}\right )^{2} e^{2}+2 d e \left (x +\frac {d}{e}\right )}}\right )}{e^{6}}\) | \(350\) |
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Time = 0.27 (sec) , antiderivative size = 190, normalized size of antiderivative = 1.48 \[ \int \frac {x^5}{(d+e x) \left (d^2-e^2 x^2\right )^{3/2}} \, dx=-\frac {16 \, d^{2} e^{3} x^{3} + 16 \, d^{3} e^{2} x^{2} - 16 \, d^{4} e x - 16 \, d^{5} - 30 \, {\left (d^{2} e^{3} x^{3} + d^{3} e^{2} x^{2} - d^{4} e x - d^{5}\right )} \arctan \left (-\frac {d - \sqrt {-e^{2} x^{2} + d^{2}}}{e x}\right ) - {\left (3 \, e^{4} x^{4} - 3 \, d e^{3} x^{3} - 23 \, d^{2} e^{2} x^{2} + d^{3} e x + 16 \, d^{4}\right )} \sqrt {-e^{2} x^{2} + d^{2}}}{6 \, {\left (e^{9} x^{3} + d e^{8} x^{2} - d^{2} e^{7} x - d^{3} e^{6}\right )}} \]
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\[ \int \frac {x^5}{(d+e x) \left (d^2-e^2 x^2\right )^{3/2}} \, dx=\int \frac {x^{5}}{\left (- \left (- d + e x\right ) \left (d + e x\right )\right )^{\frac {3}{2}} \left (d + e x\right )}\, dx \]
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Time = 0.29 (sec) , antiderivative size = 151, normalized size of antiderivative = 1.18 \[ \int \frac {x^5}{(d+e x) \left (d^2-e^2 x^2\right )^{3/2}} \, dx=\frac {d^{4}}{3 \, {\left (\sqrt {-e^{2} x^{2} + d^{2}} e^{7} x + \sqrt {-e^{2} x^{2} + d^{2}} d e^{6}\right )}} - \frac {x^{3}}{2 \, \sqrt {-e^{2} x^{2} + d^{2}} e^{3}} + \frac {d x^{2}}{\sqrt {-e^{2} x^{2} + d^{2}} e^{4}} + \frac {17 \, d^{2} x}{6 \, \sqrt {-e^{2} x^{2} + d^{2}} e^{5}} - \frac {5 \, d^{2} \arcsin \left (\frac {e x}{d}\right )}{2 \, e^{6}} - \frac {3 \, d^{3}}{\sqrt {-e^{2} x^{2} + d^{2}} e^{6}} \]
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\[ \int \frac {x^5}{(d+e x) \left (d^2-e^2 x^2\right )^{3/2}} \, dx=\int { \frac {x^{5}}{{\left (-e^{2} x^{2} + d^{2}\right )}^{\frac {3}{2}} {\left (e x + d\right )}} \,d x } \]
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Timed out. \[ \int \frac {x^5}{(d+e x) \left (d^2-e^2 x^2\right )^{3/2}} \, dx=\int \frac {x^5}{{\left (d^2-e^2\,x^2\right )}^{3/2}\,\left (d+e\,x\right )} \,d x \]
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