Integrand size = 27, antiderivative size = 229 \[ \int \frac {x^5 \left (d^2-e^2 x^2\right )^{5/2}}{(d+e x)^2} \, dx=-\frac {5 d^7 x \sqrt {d^2-e^2 x^2}}{64 e^5}-\frac {4 d^4 x^2 \left (d^2-e^2 x^2\right )^{3/2}}{21 e^4}+\frac {5 d^3 x^3 \left (d^2-e^2 x^2\right )^{3/2}}{24 e^3}-\frac {5 d^2 x^4 \left (d^2-e^2 x^2\right )^{3/2}}{21 e^2}+\frac {d x^5 \left (d^2-e^2 x^2\right )^{3/2}}{4 e}-\frac {1}{9} x^6 \left (d^2-e^2 x^2\right )^{3/2}-\frac {d^5 (256 d-315 e x) \left (d^2-e^2 x^2\right )^{3/2}}{2016 e^6}-\frac {5 d^9 \arctan \left (\frac {e x}{\sqrt {d^2-e^2 x^2}}\right )}{64 e^6} \]
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Time = 0.21 (sec) , antiderivative size = 229, normalized size of antiderivative = 1.00, number of steps used = 10, number of rules used = 7, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.259, Rules used = {866, 1823, 847, 794, 201, 223, 209} \[ \int \frac {x^5 \left (d^2-e^2 x^2\right )^{5/2}}{(d+e x)^2} \, dx=-\frac {5 d^9 \arctan \left (\frac {e x}{\sqrt {d^2-e^2 x^2}}\right )}{64 e^6}-\frac {1}{9} x^6 \left (d^2-e^2 x^2\right )^{3/2}+\frac {d x^5 \left (d^2-e^2 x^2\right )^{3/2}}{4 e}-\frac {5 d^2 x^4 \left (d^2-e^2 x^2\right )^{3/2}}{21 e^2}-\frac {5 d^7 x \sqrt {d^2-e^2 x^2}}{64 e^5}-\frac {d^5 (256 d-315 e x) \left (d^2-e^2 x^2\right )^{3/2}}{2016 e^6}-\frac {4 d^4 x^2 \left (d^2-e^2 x^2\right )^{3/2}}{21 e^4}+\frac {5 d^3 x^3 \left (d^2-e^2 x^2\right )^{3/2}}{24 e^3} \]
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Rule 201
Rule 209
Rule 223
Rule 794
Rule 847
Rule 866
Rule 1823
Rubi steps \begin{align*} \text {integral}& = \int x^5 (d-e x)^2 \sqrt {d^2-e^2 x^2} \, dx \\ & = -\frac {1}{9} x^6 \left (d^2-e^2 x^2\right )^{3/2}-\frac {\int x^5 \left (-15 d^2 e^2+18 d e^3 x\right ) \sqrt {d^2-e^2 x^2} \, dx}{9 e^2} \\ & = \frac {d x^5 \left (d^2-e^2 x^2\right )^{3/2}}{4 e}-\frac {1}{9} x^6 \left (d^2-e^2 x^2\right )^{3/2}+\frac {\int x^4 \left (-90 d^3 e^3+120 d^2 e^4 x\right ) \sqrt {d^2-e^2 x^2} \, dx}{72 e^4} \\ & = -\frac {5 d^2 x^4 \left (d^2-e^2 x^2\right )^{3/2}}{21 e^2}+\frac {d x^5 \left (d^2-e^2 x^2\right )^{3/2}}{4 e}-\frac {1}{9} x^6 \left (d^2-e^2 x^2\right )^{3/2}-\frac {\int x^3 \left (-480 d^4 e^4+630 d^3 e^5 x\right ) \sqrt {d^2-e^2 x^2} \, dx}{504 e^6} \\ & = \frac {5 d^3 x^3 \left (d^2-e^2 x^2\right )^{3/2}}{24 e^3}-\frac {5 d^2 x^4 \left (d^2-e^2 x^2\right )^{3/2}}{21 e^2}+\frac {d x^5 \left (d^2-e^2 x^2\right )^{3/2}}{4 e}-\frac {1}{9} x^6 \left (d^2-e^2 x^2\right )^{3/2}+\frac {\int x^2 \left (-1890 d^5 e^5+2880 d^4 e^6 x\right ) \sqrt {d^2-e^2 x^2} \, dx}{3024 e^8} \\ & = -\frac {4 d^4 x^2 \left (d^2-e^2 x^2\right )^{3/2}}{21 e^4}+\frac {5 d^3 x^3 \left (d^2-e^2 x^2\right )^{3/2}}{24 e^3}-\frac {5 d^2 x^4 \left (d^2-e^2 x^2\right )^{3/2}}{21 e^2}+\frac {d x^5 \left (d^2-e^2 x^2\right )^{3/2}}{4 e}-\frac {1}{9} x^6 \left (d^2-e^2 x^2\right )^{3/2}-\frac {\int x \left (-5760 d^6 e^6+9450 d^5 e^7 x\right ) \sqrt {d^2-e^2 x^2} \, dx}{15120 e^{10}} \\ & = -\frac {4 d^4 x^2 \left (d^2-e^2 x^2\right )^{3/2}}{21 e^4}+\frac {5 d^3 x^3 \left (d^2-e^2 x^2\right )^{3/2}}{24 e^3}-\frac {5 d^2 x^4 \left (d^2-e^2 x^2\right )^{3/2}}{21 e^2}+\frac {d x^5 \left (d^2-e^2 x^2\right )^{3/2}}{4 e}-\frac {1}{9} x^6 \left (d^2-e^2 x^2\right )^{3/2}-\frac {d^5 (256 d-315 e x) \left (d^2-e^2 x^2\right )^{3/2}}{2016 e^6}-\frac {\left (5 d^7\right ) \int \sqrt {d^2-e^2 x^2} \, dx}{32 e^5} \\ & = -\frac {5 d^7 x \sqrt {d^2-e^2 x^2}}{64 e^5}-\frac {4 d^4 x^2 \left (d^2-e^2 x^2\right )^{3/2}}{21 e^4}+\frac {5 d^3 x^3 \left (d^2-e^2 x^2\right )^{3/2}}{24 e^3}-\frac {5 d^2 x^4 \left (d^2-e^2 x^2\right )^{3/2}}{21 e^2}+\frac {d x^5 \left (d^2-e^2 x^2\right )^{3/2}}{4 e}-\frac {1}{9} x^6 \left (d^2-e^2 x^2\right )^{3/2}-\frac {d^5 (256 d-315 e x) \left (d^2-e^2 x^2\right )^{3/2}}{2016 e^6}-\frac {\left (5 d^9\right ) \int \frac {1}{\sqrt {d^2-e^2 x^2}} \, dx}{64 e^5} \\ & = -\frac {5 d^7 x \sqrt {d^2-e^2 x^2}}{64 e^5}-\frac {4 d^4 x^2 \left (d^2-e^2 x^2\right )^{3/2}}{21 e^4}+\frac {5 d^3 x^3 \left (d^2-e^2 x^2\right )^{3/2}}{24 e^3}-\frac {5 d^2 x^4 \left (d^2-e^2 x^2\right )^{3/2}}{21 e^2}+\frac {d x^5 \left (d^2-e^2 x^2\right )^{3/2}}{4 e}-\frac {1}{9} x^6 \left (d^2-e^2 x^2\right )^{3/2}-\frac {d^5 (256 d-315 e x) \left (d^2-e^2 x^2\right )^{3/2}}{2016 e^6}-\frac {\left (5 d^9\right ) \text {Subst}\left (\int \frac {1}{1+e^2 x^2} \, dx,x,\frac {x}{\sqrt {d^2-e^2 x^2}}\right )}{64 e^5} \\ & = -\frac {5 d^7 x \sqrt {d^2-e^2 x^2}}{64 e^5}-\frac {4 d^4 x^2 \left (d^2-e^2 x^2\right )^{3/2}}{21 e^4}+\frac {5 d^3 x^3 \left (d^2-e^2 x^2\right )^{3/2}}{24 e^3}-\frac {5 d^2 x^4 \left (d^2-e^2 x^2\right )^{3/2}}{21 e^2}+\frac {d x^5 \left (d^2-e^2 x^2\right )^{3/2}}{4 e}-\frac {1}{9} x^6 \left (d^2-e^2 x^2\right )^{3/2}-\frac {d^5 (256 d-315 e x) \left (d^2-e^2 x^2\right )^{3/2}}{2016 e^6}-\frac {5 d^9 \tan ^{-1}\left (\frac {e x}{\sqrt {d^2-e^2 x^2}}\right )}{64 e^6} \\ \end{align*}
Time = 0.27 (sec) , antiderivative size = 155, normalized size of antiderivative = 0.68 \[ \int \frac {x^5 \left (d^2-e^2 x^2\right )^{5/2}}{(d+e x)^2} \, dx=\frac {e \sqrt {d^2-e^2 x^2} \left (-512 d^8+315 d^7 e x-256 d^6 e^2 x^2+210 d^5 e^3 x^3-192 d^4 e^4 x^4+168 d^3 e^5 x^5+512 d^2 e^6 x^6-1008 d e^7 x^7+448 e^8 x^8\right )-315 d^9 \sqrt {-e^2} \log \left (-\sqrt {-e^2} x+\sqrt {d^2-e^2 x^2}\right )}{4032 e^7} \]
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Time = 0.42 (sec) , antiderivative size = 141, normalized size of antiderivative = 0.62
method | result | size |
risch | \(-\frac {\left (-448 e^{8} x^{8}+1008 d \,e^{7} x^{7}-512 d^{2} e^{6} x^{6}-168 d^{3} e^{5} x^{5}+192 d^{4} x^{4} e^{4}-210 d^{5} e^{3} x^{3}+256 d^{6} e^{2} x^{2}-315 d^{7} e x +512 d^{8}\right ) \sqrt {-e^{2} x^{2}+d^{2}}}{4032 e^{6}}-\frac {5 d^{9} \arctan \left (\frac {\sqrt {e^{2}}\, x}{\sqrt {-e^{2} x^{2}+d^{2}}}\right )}{64 e^{5} \sqrt {e^{2}}}\) | \(141\) |
default | \(\frac {-\frac {x^{2} \left (-e^{2} x^{2}+d^{2}\right )^{\frac {7}{2}}}{9 e^{2}}-\frac {2 d^{2} \left (-e^{2} x^{2}+d^{2}\right )^{\frac {7}{2}}}{63 e^{4}}}{e^{2}}-\frac {4 d^{3} \left (\frac {x \left (-e^{2} x^{2}+d^{2}\right )^{\frac {5}{2}}}{6}+\frac {5 d^{2} \left (\frac {x \left (-e^{2} x^{2}+d^{2}\right )^{\frac {3}{2}}}{4}+\frac {3 d^{2} \left (\frac {x \sqrt {-e^{2} x^{2}+d^{2}}}{2}+\frac {d^{2} \arctan \left (\frac {\sqrt {e^{2}}\, x}{\sqrt {-e^{2} x^{2}+d^{2}}}\right )}{2 \sqrt {e^{2}}}\right )}{4}\right )}{6}\right )}{e^{5}}-\frac {2 d \left (-\frac {x \left (-e^{2} x^{2}+d^{2}\right )^{\frac {7}{2}}}{8 e^{2}}+\frac {d^{2} \left (\frac {x \left (-e^{2} x^{2}+d^{2}\right )^{\frac {5}{2}}}{6}+\frac {5 d^{2} \left (\frac {x \left (-e^{2} x^{2}+d^{2}\right )^{\frac {3}{2}}}{4}+\frac {3 d^{2} \left (\frac {x \sqrt {-e^{2} x^{2}+d^{2}}}{2}+\frac {d^{2} \arctan \left (\frac {\sqrt {e^{2}}\, x}{\sqrt {-e^{2} x^{2}+d^{2}}}\right )}{2 \sqrt {e^{2}}}\right )}{4}\right )}{6}\right )}{8 e^{2}}\right )}{e^{3}}-\frac {3 d^{2} \left (-e^{2} x^{2}+d^{2}\right )^{\frac {7}{2}}}{7 e^{6}}-\frac {d^{5} \left (\frac {\left (-\left (x +\frac {d}{e}\right )^{2} e^{2}+2 d e \left (x +\frac {d}{e}\right )\right )^{\frac {7}{2}}}{3 d e \left (x +\frac {d}{e}\right )^{2}}+\frac {5 e \left (\frac {\left (-\left (x +\frac {d}{e}\right )^{2} e^{2}+2 d e \left (x +\frac {d}{e}\right )\right )^{\frac {5}{2}}}{5}+d e \left (-\frac {\left (-2 \left (x +\frac {d}{e}\right ) e^{2}+2 d e \right ) \left (-\left (x +\frac {d}{e}\right )^{2} e^{2}+2 d e \left (x +\frac {d}{e}\right )\right )^{\frac {3}{2}}}{8 e^{2}}+\frac {3 d^{2} \left (-\frac {\left (-2 \left (x +\frac {d}{e}\right ) e^{2}+2 d e \right ) \sqrt {-\left (x +\frac {d}{e}\right )^{2} e^{2}+2 d e \left (x +\frac {d}{e}\right )}}{4 e^{2}}+\frac {d^{2} \arctan \left (\frac {\sqrt {e^{2}}\, x}{\sqrt {-\left (x +\frac {d}{e}\right )^{2} e^{2}+2 d e \left (x +\frac {d}{e}\right )}}\right )}{2 \sqrt {e^{2}}}\right )}{4}\right )\right )}{3 d}\right )}{e^{7}}+\frac {5 d^{4} \left (\frac {\left (-\left (x +\frac {d}{e}\right )^{2} e^{2}+2 d e \left (x +\frac {d}{e}\right )\right )^{\frac {5}{2}}}{5}+d e \left (-\frac {\left (-2 \left (x +\frac {d}{e}\right ) e^{2}+2 d e \right ) \left (-\left (x +\frac {d}{e}\right )^{2} e^{2}+2 d e \left (x +\frac {d}{e}\right )\right )^{\frac {3}{2}}}{8 e^{2}}+\frac {3 d^{2} \left (-\frac {\left (-2 \left (x +\frac {d}{e}\right ) e^{2}+2 d e \right ) \sqrt {-\left (x +\frac {d}{e}\right )^{2} e^{2}+2 d e \left (x +\frac {d}{e}\right )}}{4 e^{2}}+\frac {d^{2} \arctan \left (\frac {\sqrt {e^{2}}\, x}{\sqrt {-\left (x +\frac {d}{e}\right )^{2} e^{2}+2 d e \left (x +\frac {d}{e}\right )}}\right )}{2 \sqrt {e^{2}}}\right )}{4}\right )\right )}{e^{6}}\) | \(750\) |
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Time = 0.27 (sec) , antiderivative size = 138, normalized size of antiderivative = 0.60 \[ \int \frac {x^5 \left (d^2-e^2 x^2\right )^{5/2}}{(d+e x)^2} \, dx=\frac {630 \, d^{9} \arctan \left (-\frac {d - \sqrt {-e^{2} x^{2} + d^{2}}}{e x}\right ) + {\left (448 \, e^{8} x^{8} - 1008 \, d e^{7} x^{7} + 512 \, d^{2} e^{6} x^{6} + 168 \, d^{3} e^{5} x^{5} - 192 \, d^{4} e^{4} x^{4} + 210 \, d^{5} e^{3} x^{3} - 256 \, d^{6} e^{2} x^{2} + 315 \, d^{7} e x - 512 \, d^{8}\right )} \sqrt {-e^{2} x^{2} + d^{2}}}{4032 \, e^{6}} \]
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Time = 2.14 (sec) , antiderivative size = 299, normalized size of antiderivative = 1.31 \[ \int \frac {x^5 \left (d^2-e^2 x^2\right )^{5/2}}{(d+e x)^2} \, dx=d^{2} \left (\begin {cases} \sqrt {d^{2} - e^{2} x^{2}} \left (- \frac {8 d^{6}}{105 e^{6}} - \frac {4 d^{4} x^{2}}{105 e^{4}} - \frac {d^{2} x^{4}}{35 e^{2}} + \frac {x^{6}}{7}\right ) & \text {for}\: e^{2} \neq 0 \\\frac {x^{6} \sqrt {d^{2}}}{6} & \text {otherwise} \end {cases}\right ) - 2 d e \left (\begin {cases} \frac {5 d^{8} \left (\begin {cases} \frac {\log {\left (- 2 e^{2} x + 2 \sqrt {- e^{2}} \sqrt {d^{2} - e^{2} x^{2}} \right )}}{\sqrt {- e^{2}}} & \text {for}\: d^{2} \neq 0 \\\frac {x \log {\left (x \right )}}{\sqrt {- e^{2} x^{2}}} & \text {otherwise} \end {cases}\right )}{128 e^{6}} + \sqrt {d^{2} - e^{2} x^{2}} \left (- \frac {5 d^{6} x}{128 e^{6}} - \frac {5 d^{4} x^{3}}{192 e^{4}} - \frac {d^{2} x^{5}}{48 e^{2}} + \frac {x^{7}}{8}\right ) & \text {for}\: e^{2} \neq 0 \\\frac {x^{7} \sqrt {d^{2}}}{7} & \text {otherwise} \end {cases}\right ) + e^{2} \left (\begin {cases} \sqrt {d^{2} - e^{2} x^{2}} \left (- \frac {16 d^{8}}{315 e^{8}} - \frac {8 d^{6} x^{2}}{315 e^{6}} - \frac {2 d^{4} x^{4}}{105 e^{4}} - \frac {d^{2} x^{6}}{63 e^{2}} + \frac {x^{8}}{9}\right ) & \text {for}\: e^{2} \neq 0 \\\frac {x^{8} \sqrt {d^{2}}}{8} & \text {otherwise} \end {cases}\right ) \]
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Result contains complex when optimal does not.
Time = 0.30 (sec) , antiderivative size = 299, normalized size of antiderivative = 1.31 \[ \int \frac {x^5 \left (d^2-e^2 x^2\right )^{5/2}}{(d+e x)^2} \, dx=-\frac {{\left (-e^{2} x^{2} + d^{2}\right )}^{\frac {5}{2}} d^{5}}{4 \, {\left (e^{7} x + d e^{6}\right )}} - \frac {5 i \, d^{9} \arcsin \left (\frac {e x}{d} + 2\right )}{4 \, e^{6}} - \frac {85 \, d^{9} \arcsin \left (\frac {e x}{d}\right )}{64 \, e^{6}} + \frac {5 \, \sqrt {e^{2} x^{2} + 4 \, d e x + 3 \, d^{2}} d^{7} x}{4 \, e^{5}} - \frac {85 \, \sqrt {-e^{2} x^{2} + d^{2}} d^{7} x}{64 \, e^{5}} + \frac {5 \, \sqrt {e^{2} x^{2} + 4 \, d e x + 3 \, d^{2}} d^{8}}{2 \, e^{6}} + \frac {35 \, {\left (-e^{2} x^{2} + d^{2}\right )}^{\frac {3}{2}} d^{5} x}{96 \, e^{5}} - \frac {5 \, {\left (-e^{2} x^{2} + d^{2}\right )}^{\frac {3}{2}} d^{6}}{12 \, e^{6}} - \frac {17 \, {\left (-e^{2} x^{2} + d^{2}\right )}^{\frac {5}{2}} d^{3} x}{24 \, e^{5}} - \frac {{\left (-e^{2} x^{2} + d^{2}\right )}^{\frac {7}{2}} x^{2}}{9 \, e^{4}} + \frac {{\left (-e^{2} x^{2} + d^{2}\right )}^{\frac {5}{2}} d^{4}}{e^{6}} + \frac {{\left (-e^{2} x^{2} + d^{2}\right )}^{\frac {7}{2}} d x}{4 \, e^{5}} - \frac {29 \, {\left (-e^{2} x^{2} + d^{2}\right )}^{\frac {7}{2}} d^{2}}{63 \, e^{6}} \]
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Time = 0.34 (sec) , antiderivative size = 344, normalized size of antiderivative = 1.50 \[ \int \frac {x^5 \left (d^2-e^2 x^2\right )^{5/2}}{(d+e x)^2} \, dx=\frac {{\left (161280 \, d^{10} e^{10} \arctan \left (\sqrt {\frac {2 \, d}{e x + d} - 1}\right ) \mathrm {sgn}\left (\frac {1}{e x + d}\right ) \mathrm {sgn}\left (e\right ) + \frac {{\left (315 \, d^{10} e^{10} {\left (\frac {2 \, d}{e x + d} - 1\right )}^{\frac {17}{2}} \mathrm {sgn}\left (\frac {1}{e x + d}\right ) \mathrm {sgn}\left (e\right ) - 18774 \, d^{10} e^{10} {\left (\frac {2 \, d}{e x + d} - 1\right )}^{\frac {15}{2}} \mathrm {sgn}\left (\frac {1}{e x + d}\right ) \mathrm {sgn}\left (e\right ) + 10458 \, d^{10} e^{10} {\left (\frac {2 \, d}{e x + d} - 1\right )}^{\frac {13}{2}} \mathrm {sgn}\left (\frac {1}{e x + d}\right ) \mathrm {sgn}\left (e\right ) - 68958 \, d^{10} e^{10} {\left (\frac {2 \, d}{e x + d} - 1\right )}^{\frac {11}{2}} \mathrm {sgn}\left (\frac {1}{e x + d}\right ) \mathrm {sgn}\left (e\right ) - 8192 \, d^{10} e^{10} {\left (\frac {2 \, d}{e x + d} - 1\right )}^{\frac {9}{2}} \mathrm {sgn}\left (\frac {1}{e x + d}\right ) \mathrm {sgn}\left (e\right ) - 32418 \, d^{10} e^{10} {\left (\frac {2 \, d}{e x + d} - 1\right )}^{\frac {7}{2}} \mathrm {sgn}\left (\frac {1}{e x + d}\right ) \mathrm {sgn}\left (e\right ) - 10458 \, d^{10} e^{10} {\left (\frac {2 \, d}{e x + d} - 1\right )}^{\frac {5}{2}} \mathrm {sgn}\left (\frac {1}{e x + d}\right ) \mathrm {sgn}\left (e\right ) - 2730 \, d^{10} e^{10} {\left (\frac {2 \, d}{e x + d} - 1\right )}^{\frac {3}{2}} \mathrm {sgn}\left (\frac {1}{e x + d}\right ) \mathrm {sgn}\left (e\right ) - 315 \, d^{10} e^{10} \sqrt {\frac {2 \, d}{e x + d} - 1} \mathrm {sgn}\left (\frac {1}{e x + d}\right ) \mathrm {sgn}\left (e\right )\right )} {\left (e x + d\right )}^{9}}{d^{9}}\right )} {\left | e \right |}}{1032192 \, d e^{17}} \]
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Timed out. \[ \int \frac {x^5 \left (d^2-e^2 x^2\right )^{5/2}}{(d+e x)^2} \, dx=\int \frac {x^5\,{\left (d^2-e^2\,x^2\right )}^{5/2}}{{\left (d+e\,x\right )}^2} \,d x \]
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