Integrand size = 24, antiderivative size = 131 \[ \int e^{-2 \coth ^{-1}(a x)} \left (c-a^2 c x^2\right )^{5/2} \, dx=-\frac {7}{16} c^2 x \sqrt {c-a^2 c x^2}-\frac {7}{24} c x \left (c-a^2 c x^2\right )^{3/2}-\frac {7 \left (c-a^2 c x^2\right )^{5/2}}{30 a}-\frac {(1-a x) \left (c-a^2 c x^2\right )^{5/2}}{6 a}-\frac {7 c^{5/2} \arctan \left (\frac {a \sqrt {c} x}{\sqrt {c-a^2 c x^2}}\right )}{16 a} \]
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Time = 0.11 (sec) , antiderivative size = 131, normalized size of antiderivative = 1.00, number of steps used = 8, number of rules used = 7, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.292, Rules used = {6302, 6277, 685, 655, 201, 223, 209} \[ \int e^{-2 \coth ^{-1}(a x)} \left (c-a^2 c x^2\right )^{5/2} \, dx=-\frac {7 c^{5/2} \arctan \left (\frac {a \sqrt {c} x}{\sqrt {c-a^2 c x^2}}\right )}{16 a}-\frac {7}{16} c^2 x \sqrt {c-a^2 c x^2}-\frac {7}{24} c x \left (c-a^2 c x^2\right )^{3/2}-\frac {(1-a x) \left (c-a^2 c x^2\right )^{5/2}}{6 a}-\frac {7 \left (c-a^2 c x^2\right )^{5/2}}{30 a} \]
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Rule 201
Rule 209
Rule 223
Rule 655
Rule 685
Rule 6277
Rule 6302
Rubi steps \begin{align*} \text {integral}& = -\int e^{-2 \text {arctanh}(a x)} \left (c-a^2 c x^2\right )^{5/2} \, dx \\ & = -\left (c \int (1-a x)^2 \left (c-a^2 c x^2\right )^{3/2} \, dx\right ) \\ & = -\frac {(1-a x) \left (c-a^2 c x^2\right )^{5/2}}{6 a}-\frac {1}{6} (7 c) \int (1-a x) \left (c-a^2 c x^2\right )^{3/2} \, dx \\ & = -\frac {7 \left (c-a^2 c x^2\right )^{5/2}}{30 a}-\frac {(1-a x) \left (c-a^2 c x^2\right )^{5/2}}{6 a}-\frac {1}{6} (7 c) \int \left (c-a^2 c x^2\right )^{3/2} \, dx \\ & = -\frac {7}{24} c x \left (c-a^2 c x^2\right )^{3/2}-\frac {7 \left (c-a^2 c x^2\right )^{5/2}}{30 a}-\frac {(1-a x) \left (c-a^2 c x^2\right )^{5/2}}{6 a}-\frac {1}{8} \left (7 c^2\right ) \int \sqrt {c-a^2 c x^2} \, dx \\ & = -\frac {7}{16} c^2 x \sqrt {c-a^2 c x^2}-\frac {7}{24} c x \left (c-a^2 c x^2\right )^{3/2}-\frac {7 \left (c-a^2 c x^2\right )^{5/2}}{30 a}-\frac {(1-a x) \left (c-a^2 c x^2\right )^{5/2}}{6 a}-\frac {1}{16} \left (7 c^3\right ) \int \frac {1}{\sqrt {c-a^2 c x^2}} \, dx \\ & = -\frac {7}{16} c^2 x \sqrt {c-a^2 c x^2}-\frac {7}{24} c x \left (c-a^2 c x^2\right )^{3/2}-\frac {7 \left (c-a^2 c x^2\right )^{5/2}}{30 a}-\frac {(1-a x) \left (c-a^2 c x^2\right )^{5/2}}{6 a}-\frac {1}{16} \left (7 c^3\right ) \text {Subst}\left (\int \frac {1}{1+a^2 c x^2} \, dx,x,\frac {x}{\sqrt {c-a^2 c x^2}}\right ) \\ & = -\frac {7}{16} c^2 x \sqrt {c-a^2 c x^2}-\frac {7}{24} c x \left (c-a^2 c x^2\right )^{3/2}-\frac {7 \left (c-a^2 c x^2\right )^{5/2}}{30 a}-\frac {(1-a x) \left (c-a^2 c x^2\right )^{5/2}}{6 a}-\frac {7 c^{5/2} \arctan \left (\frac {a \sqrt {c} x}{\sqrt {c-a^2 c x^2}}\right )}{16 a} \\ \end{align*}
Time = 0.17 (sec) , antiderivative size = 136, normalized size of antiderivative = 1.04 \[ \int e^{-2 \coth ^{-1}(a x)} \left (c-a^2 c x^2\right )^{5/2} \, dx=\frac {c^2 \sqrt {c-a^2 c x^2} \left (-\sqrt {1+a x} \left (96+39 a x-327 a^2 x^2+202 a^3 x^3+86 a^4 x^4-136 a^5 x^5+40 a^6 x^6\right )+210 \sqrt {1-a x} \arcsin \left (\frac {\sqrt {1-a x}}{\sqrt {2}}\right )\right )}{240 a \sqrt {1-a x} \sqrt {1-a^2 x^2}} \]
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Time = 0.64 (sec) , antiderivative size = 106, normalized size of antiderivative = 0.81
method | result | size |
risch | \(-\frac {\left (40 a^{5} x^{5}-96 a^{4} x^{4}-10 a^{3} x^{3}+192 a^{2} x^{2}-135 a x -96\right ) \left (a^{2} x^{2}-1\right ) c^{3}}{240 a \sqrt {-c \left (a^{2} x^{2}-1\right )}}-\frac {7 \arctan \left (\frac {\sqrt {a^{2} c}\, x}{\sqrt {-a^{2} c \,x^{2}+c}}\right ) c^{3}}{16 \sqrt {a^{2} c}}\) | \(106\) |
default | \(\frac {x \left (-a^{2} c \,x^{2}+c \right )^{\frac {5}{2}}}{6}+\frac {5 c \left (\frac {x \left (-a^{2} c \,x^{2}+c \right )^{\frac {3}{2}}}{4}+\frac {3 c \left (\frac {x \sqrt {-a^{2} c \,x^{2}+c}}{2}+\frac {c \arctan \left (\frac {\sqrt {a^{2} c}\, x}{\sqrt {-a^{2} c \,x^{2}+c}}\right )}{2 \sqrt {a^{2} c}}\right )}{4}\right )}{6}-\frac {2 \left (\frac {\left (-a^{2} c \left (x +\frac {1}{a}\right )^{2}+2 \left (x +\frac {1}{a}\right ) a c \right )^{\frac {5}{2}}}{5}+a c \left (-\frac {\left (-2 a^{2} c \left (x +\frac {1}{a}\right )+2 a c \right ) \left (-a^{2} c \left (x +\frac {1}{a}\right )^{2}+2 \left (x +\frac {1}{a}\right ) a c \right )^{\frac {3}{2}}}{8 a^{2} c}+\frac {3 c \left (-\frac {\left (-2 a^{2} c \left (x +\frac {1}{a}\right )+2 a c \right ) \sqrt {-a^{2} c \left (x +\frac {1}{a}\right )^{2}+2 \left (x +\frac {1}{a}\right ) a c}}{4 a^{2} c}+\frac {c \arctan \left (\frac {\sqrt {a^{2} c}\, x}{\sqrt {-a^{2} c \left (x +\frac {1}{a}\right )^{2}+2 \left (x +\frac {1}{a}\right ) a c}}\right )}{2 \sqrt {a^{2} c}}\right )}{4}\right )\right )}{a}\) | \(275\) |
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Time = 0.28 (sec) , antiderivative size = 241, normalized size of antiderivative = 1.84 \[ \int e^{-2 \coth ^{-1}(a x)} \left (c-a^2 c x^2\right )^{5/2} \, dx=\left [\frac {105 \, \sqrt {-c} c^{2} \log \left (2 \, a^{2} c x^{2} - 2 \, \sqrt {-a^{2} c x^{2} + c} a \sqrt {-c} x - c\right ) + 2 \, {\left (40 \, a^{5} c^{2} x^{5} - 96 \, a^{4} c^{2} x^{4} - 10 \, a^{3} c^{2} x^{3} + 192 \, a^{2} c^{2} x^{2} - 135 \, a c^{2} x - 96 \, c^{2}\right )} \sqrt {-a^{2} c x^{2} + c}}{480 \, a}, \frac {105 \, c^{\frac {5}{2}} \arctan \left (\frac {\sqrt {-a^{2} c x^{2} + c} a \sqrt {c} x}{a^{2} c x^{2} - c}\right ) + {\left (40 \, a^{5} c^{2} x^{5} - 96 \, a^{4} c^{2} x^{4} - 10 \, a^{3} c^{2} x^{3} + 192 \, a^{2} c^{2} x^{2} - 135 \, a c^{2} x - 96 \, c^{2}\right )} \sqrt {-a^{2} c x^{2} + c}}{240 \, a}\right ] \]
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Leaf count of result is larger than twice the leaf count of optimal. 314 vs. \(2 (119) = 238\).
Time = 2.74 (sec) , antiderivative size = 314, normalized size of antiderivative = 2.40 \[ \int e^{-2 \coth ^{-1}(a x)} \left (c-a^2 c x^2\right )^{5/2} \, dx=\begin {cases} \frac {2 c^{2} \left (\begin {cases} \left (\frac {a^{2} x^{2}}{3} - \frac {1}{3}\right ) \sqrt {- a^{2} c x^{2} + c} & \text {for}\: c \neq 0 \\\frac {a^{2} \sqrt {c} x^{2}}{2} & \text {otherwise} \end {cases}\right ) - 2 c^{2} \left (\begin {cases} \sqrt {- a^{2} c x^{2} + c} \left (\frac {a^{4} x^{4}}{5} - \frac {a^{2} x^{2}}{15} - \frac {2}{15}\right ) & \text {for}\: c \neq 0 \\\frac {a^{4} \sqrt {c} x^{4}}{4} & \text {otherwise} \end {cases}\right ) + c^{2} \left (\begin {cases} \frac {c \left (\begin {cases} \frac {\log {\left (- 2 a c x + 2 \sqrt {- c} \sqrt {- a^{2} c x^{2} + c} \right )}}{\sqrt {- c}} & \text {for}\: c \neq 0 \\\frac {a x \log {\left (a x \right )}}{\sqrt {- a^{2} c x^{2}}} & \text {otherwise} \end {cases}\right )}{16} + \sqrt {- a^{2} c x^{2} + c} \left (\frac {a^{5} x^{5}}{6} - \frac {a^{3} x^{3}}{24} - \frac {a x}{16}\right ) & \text {for}\: c \neq 0 \\\frac {a^{5} \sqrt {c} x^{5}}{5} & \text {otherwise} \end {cases}\right ) - c^{2} \left (\begin {cases} \frac {a x \sqrt {- a^{2} c x^{2} + c}}{2} + \frac {c \left (\begin {cases} \frac {\log {\left (- 2 a c x + 2 \sqrt {- c} \sqrt {- a^{2} c x^{2} + c} \right )}}{\sqrt {- c}} & \text {for}\: c \neq 0 \\\frac {a x \log {\left (a x \right )}}{\sqrt {- a^{2} c x^{2}}} & \text {otherwise} \end {cases}\right )}{2} & \text {for}\: c \neq 0 \\a \sqrt {c} x & \text {otherwise} \end {cases}\right )}{a} & \text {for}\: a \neq 0 \\- c^{\frac {5}{2}} x & \text {otherwise} \end {cases} \]
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Time = 0.29 (sec) , antiderivative size = 154, normalized size of antiderivative = 1.18 \[ \int e^{-2 \coth ^{-1}(a x)} \left (c-a^2 c x^2\right )^{5/2} \, dx=\frac {1}{6} \, {\left (-a^{2} c x^{2} + c\right )}^{\frac {5}{2}} x - \frac {7}{24} \, {\left (-a^{2} c x^{2} + c\right )}^{\frac {3}{2}} c x - \frac {3}{4} \, \sqrt {a^{2} c x^{2} + 4 \, a c x + 3 \, c} c^{2} x + \frac {5}{16} \, \sqrt {-a^{2} c x^{2} + c} c^{2} x + \frac {3 \, c^{4} \arcsin \left (a x + 2\right )}{4 \, a \left (-c\right )^{\frac {3}{2}}} + \frac {5 \, c^{\frac {5}{2}} \arcsin \left (a x\right )}{16 \, a} - \frac {2 \, {\left (-a^{2} c x^{2} + c\right )}^{\frac {5}{2}}}{5 \, a} - \frac {3 \, \sqrt {a^{2} c x^{2} + 4 \, a c x + 3 \, c} c^{2}}{2 \, a} \]
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Time = 0.29 (sec) , antiderivative size = 117, normalized size of antiderivative = 0.89 \[ \int e^{-2 \coth ^{-1}(a x)} \left (c-a^2 c x^2\right )^{5/2} \, dx=\frac {7 \, c^{3} \log \left ({\left | -\sqrt {-a^{2} c} x + \sqrt {-a^{2} c x^{2} + c} \right |}\right )}{16 \, \sqrt {-c} {\left | a \right |}} - \frac {1}{240} \, \sqrt {-a^{2} c x^{2} + c} {\left ({\left (135 \, c^{2} - 2 \, {\left (96 \, a c^{2} - {\left (5 \, a^{2} c^{2} - 4 \, {\left (5 \, a^{4} c^{2} x - 12 \, a^{3} c^{2}\right )} x\right )} x\right )} x\right )} x + \frac {96 \, c^{2}}{a}\right )} \]
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Timed out. \[ \int e^{-2 \coth ^{-1}(a x)} \left (c-a^2 c x^2\right )^{5/2} \, dx=\int \frac {{\left (c-a^2\,c\,x^2\right )}^{5/2}\,\left (a\,x-1\right )}{a\,x+1} \,d x \]
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