Integrand size = 14, antiderivative size = 250 \[ \int e^{-\frac {5}{2} \coth ^{-1}(a x)} x^3 \, dx=-\frac {2467 \sqrt [4]{1-\frac {1}{a x}}}{192 a^4 \sqrt [4]{1+\frac {1}{a x}}}-\frac {521 \sqrt [4]{1-\frac {1}{a x}} x}{192 a^3 \sqrt [4]{1+\frac {1}{a x}}}+\frac {113 \sqrt [4]{1-\frac {1}{a x}} x^2}{96 a^2 \sqrt [4]{1+\frac {1}{a x}}}-\frac {17 \sqrt [4]{1-\frac {1}{a x}} x^3}{24 a \sqrt [4]{1+\frac {1}{a x}}}+\frac {\sqrt [4]{1-\frac {1}{a x}} x^4}{4 \sqrt [4]{1+\frac {1}{a x}}}-\frac {475 \arctan \left (\frac {\sqrt [4]{1+\frac {1}{a x}}}{\sqrt [4]{1-\frac {1}{a x}}}\right )}{64 a^4}+\frac {475 \text {arctanh}\left (\frac {\sqrt [4]{1+\frac {1}{a x}}}{\sqrt [4]{1-\frac {1}{a x}}}\right )}{64 a^4} \]
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Time = 0.10 (sec) , antiderivative size = 250, normalized size of antiderivative = 1.00, number of steps used = 11, number of rules used = 9, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.643, Rules used = {6306, 100, 156, 160, 12, 95, 304, 209, 212} \[ \int e^{-\frac {5}{2} \coth ^{-1}(a x)} x^3 \, dx=-\frac {475 \arctan \left (\frac {\sqrt [4]{\frac {1}{a x}+1}}{\sqrt [4]{1-\frac {1}{a x}}}\right )}{64 a^4}+\frac {475 \text {arctanh}\left (\frac {\sqrt [4]{\frac {1}{a x}+1}}{\sqrt [4]{1-\frac {1}{a x}}}\right )}{64 a^4}-\frac {2467 \sqrt [4]{1-\frac {1}{a x}}}{192 a^4 \sqrt [4]{\frac {1}{a x}+1}}-\frac {521 x \sqrt [4]{1-\frac {1}{a x}}}{192 a^3 \sqrt [4]{\frac {1}{a x}+1}}+\frac {113 x^2 \sqrt [4]{1-\frac {1}{a x}}}{96 a^2 \sqrt [4]{\frac {1}{a x}+1}}+\frac {x^4 \sqrt [4]{1-\frac {1}{a x}}}{4 \sqrt [4]{\frac {1}{a x}+1}}-\frac {17 x^3 \sqrt [4]{1-\frac {1}{a x}}}{24 a \sqrt [4]{\frac {1}{a x}+1}} \]
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Rule 12
Rule 95
Rule 100
Rule 156
Rule 160
Rule 209
Rule 212
Rule 304
Rule 6306
Rubi steps \begin{align*} \text {integral}& = -\text {Subst}\left (\int \frac {\left (1-\frac {x}{a}\right )^{5/4}}{x^5 \left (1+\frac {x}{a}\right )^{5/4}} \, dx,x,\frac {1}{x}\right ) \\ & = \frac {\sqrt [4]{1-\frac {1}{a x}} x^4}{4 \sqrt [4]{1+\frac {1}{a x}}}+\frac {1}{4} \text {Subst}\left (\int \frac {\frac {17}{2 a}-\frac {8 x}{a^2}}{x^4 \left (1-\frac {x}{a}\right )^{3/4} \left (1+\frac {x}{a}\right )^{5/4}} \, dx,x,\frac {1}{x}\right ) \\ & = -\frac {17 \sqrt [4]{1-\frac {1}{a x}} x^3}{24 a \sqrt [4]{1+\frac {1}{a x}}}+\frac {\sqrt [4]{1-\frac {1}{a x}} x^4}{4 \sqrt [4]{1+\frac {1}{a x}}}-\frac {1}{12} \text {Subst}\left (\int \frac {\frac {113}{4 a^2}-\frac {51 x}{2 a^3}}{x^3 \left (1-\frac {x}{a}\right )^{3/4} \left (1+\frac {x}{a}\right )^{5/4}} \, dx,x,\frac {1}{x}\right ) \\ & = \frac {113 \sqrt [4]{1-\frac {1}{a x}} x^2}{96 a^2 \sqrt [4]{1+\frac {1}{a x}}}-\frac {17 \sqrt [4]{1-\frac {1}{a x}} x^3}{24 a \sqrt [4]{1+\frac {1}{a x}}}+\frac {\sqrt [4]{1-\frac {1}{a x}} x^4}{4 \sqrt [4]{1+\frac {1}{a x}}}+\frac {1}{24} \text {Subst}\left (\int \frac {\frac {521}{8 a^3}-\frac {113 x}{2 a^4}}{x^2 \left (1-\frac {x}{a}\right )^{3/4} \left (1+\frac {x}{a}\right )^{5/4}} \, dx,x,\frac {1}{x}\right ) \\ & = -\frac {521 \sqrt [4]{1-\frac {1}{a x}} x}{192 a^3 \sqrt [4]{1+\frac {1}{a x}}}+\frac {113 \sqrt [4]{1-\frac {1}{a x}} x^2}{96 a^2 \sqrt [4]{1+\frac {1}{a x}}}-\frac {17 \sqrt [4]{1-\frac {1}{a x}} x^3}{24 a \sqrt [4]{1+\frac {1}{a x}}}+\frac {\sqrt [4]{1-\frac {1}{a x}} x^4}{4 \sqrt [4]{1+\frac {1}{a x}}}-\frac {1}{24} \text {Subst}\left (\int \frac {\frac {1425}{16 a^4}-\frac {521 x}{8 a^5}}{x \left (1-\frac {x}{a}\right )^{3/4} \left (1+\frac {x}{a}\right )^{5/4}} \, dx,x,\frac {1}{x}\right ) \\ & = -\frac {2467 \sqrt [4]{1-\frac {1}{a x}}}{192 a^4 \sqrt [4]{1+\frac {1}{a x}}}-\frac {521 \sqrt [4]{1-\frac {1}{a x}} x}{192 a^3 \sqrt [4]{1+\frac {1}{a x}}}+\frac {113 \sqrt [4]{1-\frac {1}{a x}} x^2}{96 a^2 \sqrt [4]{1+\frac {1}{a x}}}-\frac {17 \sqrt [4]{1-\frac {1}{a x}} x^3}{24 a \sqrt [4]{1+\frac {1}{a x}}}+\frac {\sqrt [4]{1-\frac {1}{a x}} x^4}{4 \sqrt [4]{1+\frac {1}{a x}}}-\frac {1}{12} a \text {Subst}\left (\int \frac {1425}{32 a^5 x \left (1-\frac {x}{a}\right )^{3/4} \sqrt [4]{1+\frac {x}{a}}} \, dx,x,\frac {1}{x}\right ) \\ & = -\frac {2467 \sqrt [4]{1-\frac {1}{a x}}}{192 a^4 \sqrt [4]{1+\frac {1}{a x}}}-\frac {521 \sqrt [4]{1-\frac {1}{a x}} x}{192 a^3 \sqrt [4]{1+\frac {1}{a x}}}+\frac {113 \sqrt [4]{1-\frac {1}{a x}} x^2}{96 a^2 \sqrt [4]{1+\frac {1}{a x}}}-\frac {17 \sqrt [4]{1-\frac {1}{a x}} x^3}{24 a \sqrt [4]{1+\frac {1}{a x}}}+\frac {\sqrt [4]{1-\frac {1}{a x}} x^4}{4 \sqrt [4]{1+\frac {1}{a x}}}-\frac {475 \text {Subst}\left (\int \frac {1}{x \left (1-\frac {x}{a}\right )^{3/4} \sqrt [4]{1+\frac {x}{a}}} \, dx,x,\frac {1}{x}\right )}{128 a^4} \\ & = -\frac {2467 \sqrt [4]{1-\frac {1}{a x}}}{192 a^4 \sqrt [4]{1+\frac {1}{a x}}}-\frac {521 \sqrt [4]{1-\frac {1}{a x}} x}{192 a^3 \sqrt [4]{1+\frac {1}{a x}}}+\frac {113 \sqrt [4]{1-\frac {1}{a x}} x^2}{96 a^2 \sqrt [4]{1+\frac {1}{a x}}}-\frac {17 \sqrt [4]{1-\frac {1}{a x}} x^3}{24 a \sqrt [4]{1+\frac {1}{a x}}}+\frac {\sqrt [4]{1-\frac {1}{a x}} x^4}{4 \sqrt [4]{1+\frac {1}{a x}}}-\frac {475 \text {Subst}\left (\int \frac {x^2}{-1+x^4} \, dx,x,\frac {\sqrt [4]{1+\frac {1}{a x}}}{\sqrt [4]{1-\frac {1}{a x}}}\right )}{32 a^4} \\ & = -\frac {2467 \sqrt [4]{1-\frac {1}{a x}}}{192 a^4 \sqrt [4]{1+\frac {1}{a x}}}-\frac {521 \sqrt [4]{1-\frac {1}{a x}} x}{192 a^3 \sqrt [4]{1+\frac {1}{a x}}}+\frac {113 \sqrt [4]{1-\frac {1}{a x}} x^2}{96 a^2 \sqrt [4]{1+\frac {1}{a x}}}-\frac {17 \sqrt [4]{1-\frac {1}{a x}} x^3}{24 a \sqrt [4]{1+\frac {1}{a x}}}+\frac {\sqrt [4]{1-\frac {1}{a x}} x^4}{4 \sqrt [4]{1+\frac {1}{a x}}}+\frac {475 \text {Subst}\left (\int \frac {1}{1-x^2} \, dx,x,\frac {\sqrt [4]{1+\frac {1}{a x}}}{\sqrt [4]{1-\frac {1}{a x}}}\right )}{64 a^4}-\frac {475 \text {Subst}\left (\int \frac {1}{1+x^2} \, dx,x,\frac {\sqrt [4]{1+\frac {1}{a x}}}{\sqrt [4]{1-\frac {1}{a x}}}\right )}{64 a^4} \\ & = -\frac {2467 \sqrt [4]{1-\frac {1}{a x}}}{192 a^4 \sqrt [4]{1+\frac {1}{a x}}}-\frac {521 \sqrt [4]{1-\frac {1}{a x}} x}{192 a^3 \sqrt [4]{1+\frac {1}{a x}}}+\frac {113 \sqrt [4]{1-\frac {1}{a x}} x^2}{96 a^2 \sqrt [4]{1+\frac {1}{a x}}}-\frac {17 \sqrt [4]{1-\frac {1}{a x}} x^3}{24 a \sqrt [4]{1+\frac {1}{a x}}}+\frac {\sqrt [4]{1-\frac {1}{a x}} x^4}{4 \sqrt [4]{1+\frac {1}{a x}}}-\frac {475 \arctan \left (\frac {\sqrt [4]{1+\frac {1}{a x}}}{\sqrt [4]{1-\frac {1}{a x}}}\right )}{64 a^4}+\frac {475 \text {arctanh}\left (\frac {\sqrt [4]{1+\frac {1}{a x}}}{\sqrt [4]{1-\frac {1}{a x}}}\right )}{64 a^4} \\ \end{align*}
Time = 5.33 (sec) , antiderivative size = 161, normalized size of antiderivative = 0.64 \[ \int e^{-\frac {5}{2} \coth ^{-1}(a x)} x^3 \, dx=\frac {-3072 e^{-\frac {1}{2} \coth ^{-1}(a x)}+\frac {1536 e^{\frac {15}{2} \coth ^{-1}(a x)}}{\left (-1+e^{2 \coth ^{-1}(a x)}\right )^4}-\frac {5248 e^{\frac {11}{2} \coth ^{-1}(a x)}}{\left (-1+e^{2 \coth ^{-1}(a x)}\right )^3}+\frac {7376 e^{\frac {7}{2} \coth ^{-1}(a x)}}{\left (-1+e^{2 \coth ^{-1}(a x)}\right )^2}-\frac {6292 e^{\frac {3}{2} \coth ^{-1}(a x)}}{-1+e^{2 \coth ^{-1}(a x)}}+2850 \arctan \left (e^{-\frac {1}{2} \coth ^{-1}(a x)}\right )-1425 \log \left (1-e^{-\frac {1}{2} \coth ^{-1}(a x)}\right )+1425 \log \left (1+e^{-\frac {1}{2} \coth ^{-1}(a x)}\right )}{384 a^4} \]
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\[\int x^{3} \left (\frac {a x -1}{a x +1}\right )^{\frac {5}{4}}d x\]
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Time = 0.25 (sec) , antiderivative size = 111, normalized size of antiderivative = 0.44 \[ \int e^{-\frac {5}{2} \coth ^{-1}(a x)} x^3 \, dx=\frac {2 \, {\left (48 \, a^{4} x^{4} - 136 \, a^{3} x^{3} + 226 \, a^{2} x^{2} - 521 \, a x - 2467\right )} \left (\frac {a x - 1}{a x + 1}\right )^{\frac {1}{4}} + 2850 \, \arctan \left (\left (\frac {a x - 1}{a x + 1}\right )^{\frac {1}{4}}\right ) + 1425 \, \log \left (\left (\frac {a x - 1}{a x + 1}\right )^{\frac {1}{4}} + 1\right ) - 1425 \, \log \left (\left (\frac {a x - 1}{a x + 1}\right )^{\frac {1}{4}} - 1\right )}{384 \, a^{4}} \]
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\[ \int e^{-\frac {5}{2} \coth ^{-1}(a x)} x^3 \, dx=\int x^{3} \left (\frac {a x - 1}{a x + 1}\right )^{\frac {5}{4}}\, dx \]
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Time = 0.29 (sec) , antiderivative size = 244, normalized size of antiderivative = 0.98 \[ \int e^{-\frac {5}{2} \coth ^{-1}(a x)} x^3 \, dx=-\frac {1}{384} \, a {\left (\frac {4 \, {\left (1573 \, \left (\frac {a x - 1}{a x + 1}\right )^{\frac {13}{4}} - 2875 \, \left (\frac {a x - 1}{a x + 1}\right )^{\frac {9}{4}} + 2343 \, \left (\frac {a x - 1}{a x + 1}\right )^{\frac {5}{4}} - 657 \, \left (\frac {a x - 1}{a x + 1}\right )^{\frac {1}{4}}\right )}}{\frac {4 \, {\left (a x - 1\right )} a^{5}}{a x + 1} - \frac {6 \, {\left (a x - 1\right )}^{2} a^{5}}{{\left (a x + 1\right )}^{2}} + \frac {4 \, {\left (a x - 1\right )}^{3} a^{5}}{{\left (a x + 1\right )}^{3}} - \frac {{\left (a x - 1\right )}^{4} a^{5}}{{\left (a x + 1\right )}^{4}} - a^{5}} - \frac {2850 \, \arctan \left (\left (\frac {a x - 1}{a x + 1}\right )^{\frac {1}{4}}\right )}{a^{5}} - \frac {1425 \, \log \left (\left (\frac {a x - 1}{a x + 1}\right )^{\frac {1}{4}} + 1\right )}{a^{5}} + \frac {1425 \, \log \left (\left (\frac {a x - 1}{a x + 1}\right )^{\frac {1}{4}} - 1\right )}{a^{5}} + \frac {3072 \, \left (\frac {a x - 1}{a x + 1}\right )^{\frac {1}{4}}}{a^{5}}\right )} \]
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Time = 0.33 (sec) , antiderivative size = 223, normalized size of antiderivative = 0.89 \[ \int e^{-\frac {5}{2} \coth ^{-1}(a x)} x^3 \, dx=\frac {1}{384} \, a {\left (\frac {2850 \, \arctan \left (\left (\frac {a x - 1}{a x + 1}\right )^{\frac {1}{4}}\right )}{a^{5}} + \frac {1425 \, \log \left (\left (\frac {a x - 1}{a x + 1}\right )^{\frac {1}{4}} + 1\right )}{a^{5}} - \frac {1425 \, \log \left ({\left | \left (\frac {a x - 1}{a x + 1}\right )^{\frac {1}{4}} - 1 \right |}\right )}{a^{5}} - \frac {3072 \, \left (\frac {a x - 1}{a x + 1}\right )^{\frac {1}{4}}}{a^{5}} + \frac {4 \, {\left (\frac {2343 \, {\left (a x - 1\right )} \left (\frac {a x - 1}{a x + 1}\right )^{\frac {1}{4}}}{a x + 1} - \frac {2875 \, {\left (a x - 1\right )}^{2} \left (\frac {a x - 1}{a x + 1}\right )^{\frac {1}{4}}}{{\left (a x + 1\right )}^{2}} + \frac {1573 \, {\left (a x - 1\right )}^{3} \left (\frac {a x - 1}{a x + 1}\right )^{\frac {1}{4}}}{{\left (a x + 1\right )}^{3}} - 657 \, \left (\frac {a x - 1}{a x + 1}\right )^{\frac {1}{4}}\right )}}{a^{5} {\left (\frac {a x - 1}{a x + 1} - 1\right )}^{4}}\right )} \]
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Time = 0.09 (sec) , antiderivative size = 217, normalized size of antiderivative = 0.87 \[ \int e^{-\frac {5}{2} \coth ^{-1}(a x)} x^3 \, dx=\frac {475\,\mathrm {atan}\left ({\left (\frac {a\,x-1}{a\,x+1}\right )}^{1/4}\right )}{64\,a^4}-\frac {\frac {219\,{\left (\frac {a\,x-1}{a\,x+1}\right )}^{1/4}}{32}-\frac {781\,{\left (\frac {a\,x-1}{a\,x+1}\right )}^{5/4}}{32}+\frac {2875\,{\left (\frac {a\,x-1}{a\,x+1}\right )}^{9/4}}{96}-\frac {1573\,{\left (\frac {a\,x-1}{a\,x+1}\right )}^{13/4}}{96}}{a^4+\frac {6\,a^4\,{\left (a\,x-1\right )}^2}{{\left (a\,x+1\right )}^2}-\frac {4\,a^4\,{\left (a\,x-1\right )}^3}{{\left (a\,x+1\right )}^3}+\frac {a^4\,{\left (a\,x-1\right )}^4}{{\left (a\,x+1\right )}^4}-\frac {4\,a^4\,\left (a\,x-1\right )}{a\,x+1}}-\frac {8\,{\left (\frac {a\,x-1}{a\,x+1}\right )}^{1/4}}{a^4}-\frac {\mathrm {atan}\left ({\left (\frac {a\,x-1}{a\,x+1}\right )}^{1/4}\,1{}\mathrm {i}\right )\,475{}\mathrm {i}}{64\,a^4} \]
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