Integrand size = 27, antiderivative size = 170 \[ \int \frac {\left (d^2-e^2 x^2\right )^{5/2}}{x^5 (d+e x)^4} \, dx=\frac {8 e^4 (d-e x)}{d^3 \sqrt {d^2-e^2 x^2}}-\frac {\sqrt {d^2-e^2 x^2}}{4 x^4}+\frac {4 e \sqrt {d^2-e^2 x^2}}{3 d x^3}-\frac {31 e^2 \sqrt {d^2-e^2 x^2}}{8 d^2 x^2}+\frac {32 e^3 \sqrt {d^2-e^2 x^2}}{3 d^3 x}-\frac {95 e^4 \text {arctanh}\left (\frac {\sqrt {d^2-e^2 x^2}}{d}\right )}{8 d^3} \]
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Time = 0.25 (sec) , antiderivative size = 170, normalized size of antiderivative = 1.00, number of steps used = 9, number of rules used = 7, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.259, Rules used = {866, 1819, 1821, 821, 272, 65, 214} \[ \int \frac {\left (d^2-e^2 x^2\right )^{5/2}}{x^5 (d+e x)^4} \, dx=-\frac {95 e^4 \text {arctanh}\left (\frac {\sqrt {d^2-e^2 x^2}}{d}\right )}{8 d^3}-\frac {31 e^2 \sqrt {d^2-e^2 x^2}}{8 d^2 x^2}-\frac {\sqrt {d^2-e^2 x^2}}{4 x^4}+\frac {4 e \sqrt {d^2-e^2 x^2}}{3 d x^3}+\frac {8 e^4 (d-e x)}{d^3 \sqrt {d^2-e^2 x^2}}+\frac {32 e^3 \sqrt {d^2-e^2 x^2}}{3 d^3 x} \]
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Rule 65
Rule 214
Rule 272
Rule 821
Rule 866
Rule 1819
Rule 1821
Rubi steps \begin{align*} \text {integral}& = \int \frac {(d-e x)^4}{x^5 \left (d^2-e^2 x^2\right )^{3/2}} \, dx \\ & = \frac {8 e^4 (d-e x)}{d^3 \sqrt {d^2-e^2 x^2}}-\frac {\int \frac {-d^4+4 d^3 e x-7 d^2 e^2 x^2+8 d e^3 x^3-8 e^4 x^4}{x^5 \sqrt {d^2-e^2 x^2}} \, dx}{d^2} \\ & = \frac {8 e^4 (d-e x)}{d^3 \sqrt {d^2-e^2 x^2}}-\frac {\sqrt {d^2-e^2 x^2}}{4 x^4}+\frac {\int \frac {-16 d^5 e+31 d^4 e^2 x-32 d^3 e^3 x^2+32 d^2 e^4 x^3}{x^4 \sqrt {d^2-e^2 x^2}} \, dx}{4 d^4} \\ & = \frac {8 e^4 (d-e x)}{d^3 \sqrt {d^2-e^2 x^2}}-\frac {\sqrt {d^2-e^2 x^2}}{4 x^4}+\frac {4 e \sqrt {d^2-e^2 x^2}}{3 d x^3}-\frac {\int \frac {-93 d^6 e^2+128 d^5 e^3 x-96 d^4 e^4 x^2}{x^3 \sqrt {d^2-e^2 x^2}} \, dx}{12 d^6} \\ & = \frac {8 e^4 (d-e x)}{d^3 \sqrt {d^2-e^2 x^2}}-\frac {\sqrt {d^2-e^2 x^2}}{4 x^4}+\frac {4 e \sqrt {d^2-e^2 x^2}}{3 d x^3}-\frac {31 e^2 \sqrt {d^2-e^2 x^2}}{8 d^2 x^2}+\frac {\int \frac {-256 d^7 e^3+285 d^6 e^4 x}{x^2 \sqrt {d^2-e^2 x^2}} \, dx}{24 d^8} \\ & = \frac {8 e^4 (d-e x)}{d^3 \sqrt {d^2-e^2 x^2}}-\frac {\sqrt {d^2-e^2 x^2}}{4 x^4}+\frac {4 e \sqrt {d^2-e^2 x^2}}{3 d x^3}-\frac {31 e^2 \sqrt {d^2-e^2 x^2}}{8 d^2 x^2}+\frac {32 e^3 \sqrt {d^2-e^2 x^2}}{3 d^3 x}+\frac {\left (95 e^4\right ) \int \frac {1}{x \sqrt {d^2-e^2 x^2}} \, dx}{8 d^2} \\ & = \frac {8 e^4 (d-e x)}{d^3 \sqrt {d^2-e^2 x^2}}-\frac {\sqrt {d^2-e^2 x^2}}{4 x^4}+\frac {4 e \sqrt {d^2-e^2 x^2}}{3 d x^3}-\frac {31 e^2 \sqrt {d^2-e^2 x^2}}{8 d^2 x^2}+\frac {32 e^3 \sqrt {d^2-e^2 x^2}}{3 d^3 x}+\frac {\left (95 e^4\right ) \text {Subst}\left (\int \frac {1}{x \sqrt {d^2-e^2 x}} \, dx,x,x^2\right )}{16 d^2} \\ & = \frac {8 e^4 (d-e x)}{d^3 \sqrt {d^2-e^2 x^2}}-\frac {\sqrt {d^2-e^2 x^2}}{4 x^4}+\frac {4 e \sqrt {d^2-e^2 x^2}}{3 d x^3}-\frac {31 e^2 \sqrt {d^2-e^2 x^2}}{8 d^2 x^2}+\frac {32 e^3 \sqrt {d^2-e^2 x^2}}{3 d^3 x}-\frac {\left (95 e^2\right ) \text {Subst}\left (\int \frac {1}{\frac {d^2}{e^2}-\frac {x^2}{e^2}} \, dx,x,\sqrt {d^2-e^2 x^2}\right )}{8 d^2} \\ & = \frac {8 e^4 (d-e x)}{d^3 \sqrt {d^2-e^2 x^2}}-\frac {\sqrt {d^2-e^2 x^2}}{4 x^4}+\frac {4 e \sqrt {d^2-e^2 x^2}}{3 d x^3}-\frac {31 e^2 \sqrt {d^2-e^2 x^2}}{8 d^2 x^2}+\frac {32 e^3 \sqrt {d^2-e^2 x^2}}{3 d^3 x}-\frac {95 e^4 \tanh ^{-1}\left (\frac {\sqrt {d^2-e^2 x^2}}{d}\right )}{8 d^3} \\ \end{align*}
Time = 0.45 (sec) , antiderivative size = 116, normalized size of antiderivative = 0.68 \[ \int \frac {\left (d^2-e^2 x^2\right )^{5/2}}{x^5 (d+e x)^4} \, dx=\frac {\frac {\sqrt {d^2-e^2 x^2} \left (-6 d^4+26 d^3 e x-61 d^2 e^2 x^2+163 d e^3 x^3+448 e^4 x^4\right )}{x^4 (d+e x)}+570 e^4 \text {arctanh}\left (\frac {\sqrt {-e^2} x-\sqrt {d^2-e^2 x^2}}{d}\right )}{24 d^3} \]
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Time = 0.74 (sec) , antiderivative size = 144, normalized size of antiderivative = 0.85
method | result | size |
risch | \(-\frac {\sqrt {-e^{2} x^{2}+d^{2}}\, \left (-256 e^{3} x^{3}+93 d \,e^{2} x^{2}-32 d^{2} e x +6 d^{3}\right )}{24 d^{3} x^{4}}-\frac {95 e^{4} \ln \left (\frac {2 d^{2}+2 \sqrt {d^{2}}\, \sqrt {-e^{2} x^{2}+d^{2}}}{x}\right )}{8 d^{2} \sqrt {d^{2}}}+\frac {8 e^{3} \sqrt {-\left (x +\frac {d}{e}\right )^{2} e^{2}+2 d e \left (x +\frac {d}{e}\right )}}{d^{3} \left (x +\frac {d}{e}\right )}\) | \(144\) |
default | \(\text {Expression too large to display}\) | \(1799\) |
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Time = 0.27 (sec) , antiderivative size = 136, normalized size of antiderivative = 0.80 \[ \int \frac {\left (d^2-e^2 x^2\right )^{5/2}}{x^5 (d+e x)^4} \, dx=\frac {192 \, e^{5} x^{5} + 192 \, d e^{4} x^{4} + 285 \, {\left (e^{5} x^{5} + d e^{4} x^{4}\right )} \log \left (-\frac {d - \sqrt {-e^{2} x^{2} + d^{2}}}{x}\right ) + {\left (448 \, e^{4} x^{4} + 163 \, d e^{3} x^{3} - 61 \, d^{2} e^{2} x^{2} + 26 \, d^{3} e x - 6 \, d^{4}\right )} \sqrt {-e^{2} x^{2} + d^{2}}}{24 \, {\left (d^{3} e x^{5} + d^{4} x^{4}\right )}} \]
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\[ \int \frac {\left (d^2-e^2 x^2\right )^{5/2}}{x^5 (d+e x)^4} \, dx=\int \frac {\left (- \left (- d + e x\right ) \left (d + e x\right )\right )^{\frac {5}{2}}}{x^{5} \left (d + e x\right )^{4}}\, dx \]
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\[ \int \frac {\left (d^2-e^2 x^2\right )^{5/2}}{x^5 (d+e x)^4} \, dx=\int { \frac {{\left (-e^{2} x^{2} + d^{2}\right )}^{\frac {5}{2}}}{{\left (e x + d\right )}^{4} x^{5}} \,d x } \]
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Leaf count of result is larger than twice the leaf count of optimal. 392 vs. \(2 (149) = 298\).
Time = 0.33 (sec) , antiderivative size = 392, normalized size of antiderivative = 2.31 \[ \int \frac {\left (d^2-e^2 x^2\right )^{5/2}}{x^5 (d+e x)^4} \, dx=\frac {{\left (3 \, e^{5} - \frac {29 \, {\left (d e + \sqrt {-e^{2} x^{2} + d^{2}} {\left | e \right |}\right )} e^{3}}{x} + \frac {160 \, {\left (d e + \sqrt {-e^{2} x^{2} + d^{2}} {\left | e \right |}\right )}^{2} e}{x^{2}} - \frac {864 \, {\left (d e + \sqrt {-e^{2} x^{2} + d^{2}} {\left | e \right |}\right )}^{3}}{e x^{3}} - \frac {4128 \, {\left (d e + \sqrt {-e^{2} x^{2} + d^{2}} {\left | e \right |}\right )}^{4}}{e^{3} x^{4}}\right )} e^{8} x^{4}}{192 \, {\left (d e + \sqrt {-e^{2} x^{2} + d^{2}} {\left | e \right |}\right )}^{4} d^{3} {\left (\frac {d e + \sqrt {-e^{2} x^{2} + d^{2}} {\left | e \right |}}{e^{2} x} + 1\right )} {\left | e \right |}} - \frac {95 \, e^{5} \log \left (\frac {{\left | -2 \, d e - 2 \, \sqrt {-e^{2} x^{2} + d^{2}} {\left | e \right |} \right |}}{2 \, e^{2} {\left | x \right |}}\right )}{8 \, d^{3} {\left | e \right |}} + \frac {\frac {1056 \, {\left (d e + \sqrt {-e^{2} x^{2} + d^{2}} {\left | e \right |}\right )} d^{9} e^{5} {\left | e \right |}}{x} - \frac {192 \, {\left (d e + \sqrt {-e^{2} x^{2} + d^{2}} {\left | e \right |}\right )}^{2} d^{9} e^{3} {\left | e \right |}}{x^{2}} + \frac {32 \, {\left (d e + \sqrt {-e^{2} x^{2} + d^{2}} {\left | e \right |}\right )}^{3} d^{9} e {\left | e \right |}}{x^{3}} - \frac {3 \, {\left (d e + \sqrt {-e^{2} x^{2} + d^{2}} {\left | e \right |}\right )}^{4} d^{9} {\left | e \right |}}{e x^{4}}}{192 \, d^{12} e^{4}} \]
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Timed out. \[ \int \frac {\left (d^2-e^2 x^2\right )^{5/2}}{x^5 (d+e x)^4} \, dx=\int \frac {{\left (d^2-e^2\,x^2\right )}^{5/2}}{x^5\,{\left (d+e\,x\right )}^4} \,d x \]
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