Integrand size = 20, antiderivative size = 40 \[ \int e^{2 \coth ^{-1}(a x)} (c-a c x)^{5/2} \, dx=\frac {4 (c-a c x)^{5/2}}{5 a}-\frac {2 (c-a c x)^{7/2}}{7 a c} \]
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Time = 0.07 (sec) , antiderivative size = 40, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.200, Rules used = {6302, 6265, 21, 45} \[ \int e^{2 \coth ^{-1}(a x)} (c-a c x)^{5/2} \, dx=\frac {4 (c-a c x)^{5/2}}{5 a}-\frac {2 (c-a c x)^{7/2}}{7 a c} \]
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Rule 21
Rule 45
Rule 6265
Rule 6302
Rubi steps \begin{align*} \text {integral}& = -\int e^{2 \text {arctanh}(a x)} (c-a c x)^{5/2} \, dx \\ & = -\int \frac {(1+a x) (c-a c x)^{5/2}}{1-a x} \, dx \\ & = -\left (c \int (1+a x) (c-a c x)^{3/2} \, dx\right ) \\ & = -\left (c \int \left (2 (c-a c x)^{3/2}-\frac {(c-a c x)^{5/2}}{c}\right ) \, dx\right ) \\ & = \frac {4 (c-a c x)^{5/2}}{5 a}-\frac {2 (c-a c x)^{7/2}}{7 a c} \\ \end{align*}
Time = 0.05 (sec) , antiderivative size = 34, normalized size of antiderivative = 0.85 \[ \int e^{2 \coth ^{-1}(a x)} (c-a c x)^{5/2} \, dx=\frac {2 c^2 (-1+a x)^2 (9+5 a x) \sqrt {c-a c x}}{35 a} \]
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Time = 0.52 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.52
method | result | size |
gosper | \(\frac {2 \left (-a c x +c \right )^{\frac {5}{2}} \left (5 a x +9\right )}{35 a}\) | \(21\) |
pseudoelliptic | \(\frac {2 \sqrt {-c \left (a x -1\right )}\, \left (a x +\frac {9}{5}\right ) \left (a x -1\right )^{2} c^{2}}{7 a}\) | \(31\) |
derivativedivides | \(-\frac {2 \left (\frac {\left (-a c x +c \right )^{\frac {7}{2}}}{7}-\frac {2 c \left (-a c x +c \right )^{\frac {5}{2}}}{5}\right )}{c a}\) | \(33\) |
default | \(\frac {-\frac {2 \left (-a c x +c \right )^{\frac {7}{2}}}{7}+\frac {4 c \left (-a c x +c \right )^{\frac {5}{2}}}{5}}{a c}\) | \(33\) |
trager | \(\frac {2 c^{2} \left (5 a^{3} x^{3}-a^{2} x^{2}-13 a x +9\right ) \sqrt {-a c x +c}}{35 a}\) | \(40\) |
risch | \(-\frac {2 c^{3} \left (5 a^{3} x^{3}-a^{2} x^{2}-13 a x +9\right ) \left (a x -1\right )}{35 a \sqrt {-c \left (a x -1\right )}}\) | \(46\) |
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Time = 0.24 (sec) , antiderivative size = 49, normalized size of antiderivative = 1.22 \[ \int e^{2 \coth ^{-1}(a x)} (c-a c x)^{5/2} \, dx=\frac {2 \, {\left (5 \, a^{3} c^{2} x^{3} - a^{2} c^{2} x^{2} - 13 \, a c^{2} x + 9 \, c^{2}\right )} \sqrt {-a c x + c}}{35 \, a} \]
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Time = 2.14 (sec) , antiderivative size = 58, normalized size of antiderivative = 1.45 \[ \int e^{2 \coth ^{-1}(a x)} (c-a c x)^{5/2} \, dx=\begin {cases} - \frac {2 \left (- \frac {2 c \left (- a c x + c\right )^{\frac {5}{2}}}{5} + \frac {\left (- a c x + c\right )^{\frac {7}{2}}}{7}\right )}{a c} & \text {for}\: a c \neq 0 \\c^{\frac {5}{2}} \left (\begin {cases} - x & \text {for}\: a = 0 \\\frac {a x + 2 \log {\left (a x - 1 \right )} - 1}{a} & \text {otherwise} \end {cases}\right ) & \text {otherwise} \end {cases} \]
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Time = 0.19 (sec) , antiderivative size = 32, normalized size of antiderivative = 0.80 \[ \int e^{2 \coth ^{-1}(a x)} (c-a c x)^{5/2} \, dx=-\frac {2 \, {\left (5 \, {\left (-a c x + c\right )}^{\frac {7}{2}} - 14 \, {\left (-a c x + c\right )}^{\frac {5}{2}} c\right )}}{35 \, a c} \]
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Leaf count of result is larger than twice the leaf count of optimal. 141 vs. \(2 (32) = 64\).
Time = 0.26 (sec) , antiderivative size = 141, normalized size of antiderivative = 3.52 \[ \int e^{2 \coth ^{-1}(a x)} (c-a c x)^{5/2} \, dx=-\frac {2 \, {\left (21 \, {\left (a c x - c\right )}^{2} \sqrt {-a c x + c} - 70 \, {\left (-a c x + c\right )}^{\frac {3}{2}} c - 35 \, {\left ({\left (-a c x + c\right )}^{\frac {3}{2}} - 3 \, \sqrt {-a c x + c} c\right )} c - \frac {3 \, {\left (5 \, {\left (a c x - c\right )}^{3} \sqrt {-a c x + c} + 21 \, {\left (a c x - c\right )}^{2} \sqrt {-a c x + c} c - 35 \, {\left (-a c x + c\right )}^{\frac {3}{2}} c^{2} + 35 \, \sqrt {-a c x + c} c^{3}\right )}}{c}\right )}}{105 \, a} \]
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Time = 0.04 (sec) , antiderivative size = 32, normalized size of antiderivative = 0.80 \[ \int e^{2 \coth ^{-1}(a x)} (c-a c x)^{5/2} \, dx=\frac {4\,{\left (c-a\,c\,x\right )}^{5/2}}{5\,a}-\frac {2\,{\left (c-a\,c\,x\right )}^{7/2}}{7\,a\,c} \]
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