Integrand size = 26, antiderivative size = 80 \[ \int \frac {1}{\left (d+e x^2\right )^{3/2} \left (d^2-e^2 x^4\right )} \, dx=\frac {x}{6 d^2 \left (d+e x^2\right )^{3/2}}+\frac {7 x}{12 d^3 \sqrt {d+e x^2}}+\frac {\text {arctanh}\left (\frac {\sqrt {2} \sqrt {e} x}{\sqrt {d+e x^2}}\right )}{4 \sqrt {2} d^3 \sqrt {e}} \]
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Time = 0.04 (sec) , antiderivative size = 80, normalized size of antiderivative = 1.00, number of steps used = 6, number of rules used = 6, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.231, Rules used = {1164, 425, 541, 12, 385, 214} \[ \int \frac {1}{\left (d+e x^2\right )^{3/2} \left (d^2-e^2 x^4\right )} \, dx=\frac {\text {arctanh}\left (\frac {\sqrt {2} \sqrt {e} x}{\sqrt {d+e x^2}}\right )}{4 \sqrt {2} d^3 \sqrt {e}}+\frac {7 x}{12 d^3 \sqrt {d+e x^2}}+\frac {x}{6 d^2 \left (d+e x^2\right )^{3/2}} \]
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Rule 12
Rule 214
Rule 385
Rule 425
Rule 541
Rule 1164
Rubi steps \begin{align*} \text {integral}& = \int \frac {1}{\left (d-e x^2\right ) \left (d+e x^2\right )^{5/2}} \, dx \\ & = \frac {x}{6 d^2 \left (d+e x^2\right )^{3/2}}-\frac {\int \frac {-5 d e+2 e^2 x^2}{\left (d-e x^2\right ) \left (d+e x^2\right )^{3/2}} \, dx}{6 d^2 e} \\ & = \frac {x}{6 d^2 \left (d+e x^2\right )^{3/2}}+\frac {7 x}{12 d^3 \sqrt {d+e x^2}}+\frac {\int \frac {3 d^2 e^2}{\left (d-e x^2\right ) \sqrt {d+e x^2}} \, dx}{12 d^4 e^2} \\ & = \frac {x}{6 d^2 \left (d+e x^2\right )^{3/2}}+\frac {7 x}{12 d^3 \sqrt {d+e x^2}}+\frac {\int \frac {1}{\left (d-e x^2\right ) \sqrt {d+e x^2}} \, dx}{4 d^2} \\ & = \frac {x}{6 d^2 \left (d+e x^2\right )^{3/2}}+\frac {7 x}{12 d^3 \sqrt {d+e x^2}}+\frac {\text {Subst}\left (\int \frac {1}{d-2 d e x^2} \, dx,x,\frac {x}{\sqrt {d+e x^2}}\right )}{4 d^2} \\ & = \frac {x}{6 d^2 \left (d+e x^2\right )^{3/2}}+\frac {7 x}{12 d^3 \sqrt {d+e x^2}}+\frac {\tanh ^{-1}\left (\frac {\sqrt {2} \sqrt {e} x}{\sqrt {d+e x^2}}\right )}{4 \sqrt {2} d^3 \sqrt {e}} \\ \end{align*}
Time = 0.18 (sec) , antiderivative size = 80, normalized size of antiderivative = 1.00 \[ \int \frac {1}{\left (d+e x^2\right )^{3/2} \left (d^2-e^2 x^4\right )} \, dx=\frac {\frac {2 \left (9 d x+7 e x^3\right )}{\left (d+e x^2\right )^{3/2}}+\frac {3 \sqrt {2} \text {arctanh}\left (\frac {d-e x^2+\sqrt {e} x \sqrt {d+e x^2}}{\sqrt {2} d}\right )}{\sqrt {e}}}{24 d^3} \]
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Time = 0.31 (sec) , antiderivative size = 69, normalized size of antiderivative = 0.86
method | result | size |
pseudoelliptic | \(\frac {14 e^{\frac {3}{2}} x^{3}+3 \sqrt {2}\, \operatorname {arctanh}\left (\frac {\sqrt {e \,x^{2}+d}\, \sqrt {2}}{2 x \sqrt {e}}\right ) \left (e \,x^{2}+d \right )^{\frac {3}{2}}+18 \sqrt {e}\, d x}{24 \sqrt {e}\, \left (e \,x^{2}+d \right )^{\frac {3}{2}} d^{3}}\) | \(69\) |
default | \(-\frac {e \left (\frac {1}{2 d \sqrt {\left (x -\frac {\sqrt {e d}}{e}\right )^{2} e +2 \sqrt {e d}\, \left (x -\frac {\sqrt {e d}}{e}\right )+2 d}}-\frac {\sqrt {e d}\, \left (2 e \left (x -\frac {\sqrt {e d}}{e}\right )+2 \sqrt {e d}\right )}{4 d^{2} e \sqrt {\left (x -\frac {\sqrt {e d}}{e}\right )^{2} e +2 \sqrt {e d}\, \left (x -\frac {\sqrt {e d}}{e}\right )+2 d}}-\frac {\sqrt {2}\, \ln \left (\frac {4 d +2 \sqrt {e d}\, \left (x -\frac {\sqrt {e d}}{e}\right )+2 \sqrt {2}\, \sqrt {d}\, \sqrt {\left (x -\frac {\sqrt {e d}}{e}\right )^{2} e +2 \sqrt {e d}\, \left (x -\frac {\sqrt {e d}}{e}\right )+2 d}}{x -\frac {\sqrt {e d}}{e}}\right )}{4 d^{\frac {3}{2}}}\right )}{2 \left (\sqrt {e d}-\sqrt {-e d}\right ) \left (\sqrt {e d}+\sqrt {-e d}\right ) \sqrt {e d}}+\frac {e \left (\frac {1}{2 d \sqrt {\left (x +\frac {\sqrt {e d}}{e}\right )^{2} e -2 \sqrt {e d}\, \left (x +\frac {\sqrt {e d}}{e}\right )+2 d}}+\frac {\sqrt {e d}\, \left (2 e \left (x +\frac {\sqrt {e d}}{e}\right )-2 \sqrt {e d}\right )}{4 d^{2} e \sqrt {\left (x +\frac {\sqrt {e d}}{e}\right )^{2} e -2 \sqrt {e d}\, \left (x +\frac {\sqrt {e d}}{e}\right )+2 d}}-\frac {\sqrt {2}\, \ln \left (\frac {4 d -2 \sqrt {e d}\, \left (x +\frac {\sqrt {e d}}{e}\right )+2 \sqrt {2}\, \sqrt {d}\, \sqrt {\left (x +\frac {\sqrt {e d}}{e}\right )^{2} e -2 \sqrt {e d}\, \left (x +\frac {\sqrt {e d}}{e}\right )+2 d}}{x +\frac {\sqrt {e d}}{e}}\right )}{4 d^{\frac {3}{2}}}\right )}{2 \left (\sqrt {e d}-\sqrt {-e d}\right ) \left (\sqrt {e d}+\sqrt {-e d}\right ) \sqrt {e d}}-\frac {e \left (\frac {1}{3 \sqrt {-e d}\, \left (x +\frac {\sqrt {-e d}}{e}\right ) \sqrt {\left (x +\frac {\sqrt {-e d}}{e}\right )^{2} e -2 \sqrt {-e d}\, \left (x +\frac {\sqrt {-e d}}{e}\right )}}+\frac {2 e \left (x +\frac {\sqrt {-e d}}{e}\right )-2 \sqrt {-e d}}{3 \sqrt {-e d}\, d \sqrt {\left (x +\frac {\sqrt {-e d}}{e}\right )^{2} e -2 \sqrt {-e d}\, \left (x +\frac {\sqrt {-e d}}{e}\right )}}\right )}{2 \sqrt {-e d}\, \left (\sqrt {e d}-\sqrt {-e d}\right ) \left (\sqrt {e d}+\sqrt {-e d}\right )}+\frac {e \left (-\frac {1}{3 \sqrt {-e d}\, \left (x -\frac {\sqrt {-e d}}{e}\right ) \sqrt {\left (x -\frac {\sqrt {-e d}}{e}\right )^{2} e +2 \sqrt {-e d}\, \left (x -\frac {\sqrt {-e d}}{e}\right )}}-\frac {2 e \left (x -\frac {\sqrt {-e d}}{e}\right )+2 \sqrt {-e d}}{3 \sqrt {-e d}\, d \sqrt {\left (x -\frac {\sqrt {-e d}}{e}\right )^{2} e +2 \sqrt {-e d}\, \left (x -\frac {\sqrt {-e d}}{e}\right )}}\right )}{2 \sqrt {-e d}\, \left (\sqrt {e d}-\sqrt {-e d}\right ) \left (\sqrt {e d}+\sqrt {-e d}\right )}\) | \(865\) |
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Leaf count of result is larger than twice the leaf count of optimal. 127 vs. \(2 (60) = 120\).
Time = 0.28 (sec) , antiderivative size = 279, normalized size of antiderivative = 3.49 \[ \int \frac {1}{\left (d+e x^2\right )^{3/2} \left (d^2-e^2 x^4\right )} \, dx=\left [\frac {3 \, \sqrt {2} {\left (e^{2} x^{4} + 2 \, d e x^{2} + d^{2}\right )} \sqrt {e} \log \left (\frac {17 \, e^{2} x^{4} + 14 \, d e x^{2} + 4 \, \sqrt {2} {\left (3 \, e x^{3} + d x\right )} \sqrt {e x^{2} + d} \sqrt {e} + d^{2}}{e^{2} x^{4} - 2 \, d e x^{2} + d^{2}}\right ) + 8 \, {\left (7 \, e^{2} x^{3} + 9 \, d e x\right )} \sqrt {e x^{2} + d}}{96 \, {\left (d^{3} e^{3} x^{4} + 2 \, d^{4} e^{2} x^{2} + d^{5} e\right )}}, -\frac {3 \, \sqrt {2} {\left (e^{2} x^{4} + 2 \, d e x^{2} + d^{2}\right )} \sqrt {-e} \arctan \left (\frac {\sqrt {2} {\left (3 \, e x^{2} + d\right )} \sqrt {e x^{2} + d} \sqrt {-e}}{4 \, {\left (e^{2} x^{3} + d e x\right )}}\right ) - 4 \, {\left (7 \, e^{2} x^{3} + 9 \, d e x\right )} \sqrt {e x^{2} + d}}{48 \, {\left (d^{3} e^{3} x^{4} + 2 \, d^{4} e^{2} x^{2} + d^{5} e\right )}}\right ] \]
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\[ \int \frac {1}{\left (d+e x^2\right )^{3/2} \left (d^2-e^2 x^4\right )} \, dx=- \int \frac {1}{- d^{3} \sqrt {d + e x^{2}} - d^{2} e x^{2} \sqrt {d + e x^{2}} + d e^{2} x^{4} \sqrt {d + e x^{2}} + e^{3} x^{6} \sqrt {d + e x^{2}}}\, dx \]
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\[ \int \frac {1}{\left (d+e x^2\right )^{3/2} \left (d^2-e^2 x^4\right )} \, dx=\int { -\frac {1}{{\left (e^{2} x^{4} - d^{2}\right )} {\left (e x^{2} + d\right )}^{\frac {3}{2}}} \,d x } \]
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none
Time = 0.32 (sec) , antiderivative size = 113, normalized size of antiderivative = 1.41 \[ \int \frac {1}{\left (d+e x^2\right )^{3/2} \left (d^2-e^2 x^4\right )} \, dx=\frac {x {\left (\frac {7 \, e x^{2}}{d^{3}} + \frac {9}{d^{2}}\right )}}{12 \, {\left (e x^{2} + d\right )}^{\frac {3}{2}}} + \frac {\sqrt {2} \log \left (\frac {{\left | 2 \, {\left (\sqrt {e} x - \sqrt {e x^{2} + d}\right )}^{2} - 4 \, \sqrt {2} {\left | d \right |} - 6 \, d \right |}}{{\left | 2 \, {\left (\sqrt {e} x - \sqrt {e x^{2} + d}\right )}^{2} + 4 \, \sqrt {2} {\left | d \right |} - 6 \, d \right |}}\right )}{16 \, d^{2} \sqrt {e} {\left | d \right |}} \]
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Timed out. \[ \int \frac {1}{\left (d+e x^2\right )^{3/2} \left (d^2-e^2 x^4\right )} \, dx=\int \frac {1}{\left (d^2-e^2\,x^4\right )\,{\left (e\,x^2+d\right )}^{3/2}} \,d x \]
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