Integrand size = 24, antiderivative size = 42 \[ \int \frac {1}{\sqrt [4]{1-x} (e x)^{3/2} \sqrt [4]{1+x}} \, dx=-\frac {2 \sqrt [4]{1-\frac {1}{x^2}} \sqrt {e x} E\left (\left .\frac {1}{2} \csc ^{-1}(x)\right |2\right )}{e^2 \sqrt [4]{1-x^2}} \]
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Time = 0.01 (sec) , antiderivative size = 42, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.167, Rules used = {126, 323, 342, 234} \[ \int \frac {1}{\sqrt [4]{1-x} (e x)^{3/2} \sqrt [4]{1+x}} \, dx=-\frac {2 \sqrt [4]{1-\frac {1}{x^2}} \sqrt {e x} E\left (\left .\frac {1}{2} \csc ^{-1}(x)\right |2\right )}{e^2 \sqrt [4]{1-x^2}} \]
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Rule 126
Rule 234
Rule 323
Rule 342
Rubi steps \begin{align*} \text {integral}& = \int \frac {1}{(e x)^{3/2} \sqrt [4]{1-x^2}} \, dx \\ & = \frac {\left (\sqrt [4]{1-\frac {1}{x^2}} \sqrt {e x}\right ) \int \frac {1}{\sqrt [4]{1-\frac {1}{x^2}} x^2} \, dx}{e^2 \sqrt [4]{1-x^2}} \\ & = -\frac {\left (\sqrt [4]{1-\frac {1}{x^2}} \sqrt {e x}\right ) \text {Subst}\left (\int \frac {1}{\sqrt [4]{1-x^2}} \, dx,x,\frac {1}{x}\right )}{e^2 \sqrt [4]{1-x^2}} \\ & = -\frac {2 \sqrt [4]{1-\frac {1}{x^2}} \sqrt {e x} E\left (\left .\frac {1}{2} \csc ^{-1}(x)\right |2\right )}{e^2 \sqrt [4]{1-x^2}} \\ \end{align*}
Result contains higher order function than in optimal. Order 5 vs. order 4 in optimal.
Time = 10.01 (sec) , antiderivative size = 23, normalized size of antiderivative = 0.55 \[ \int \frac {1}{\sqrt [4]{1-x} (e x)^{3/2} \sqrt [4]{1+x}} \, dx=-\frac {2 x \operatorname {Hypergeometric2F1}\left (-\frac {1}{4},\frac {1}{4},\frac {3}{4},x^2\right )}{(e x)^{3/2}} \]
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\[\int \frac {1}{\left (1-x \right )^{\frac {1}{4}} \left (e x \right )^{\frac {3}{2}} \left (1+x \right )^{\frac {1}{4}}}d x\]
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\[ \int \frac {1}{\sqrt [4]{1-x} (e x)^{3/2} \sqrt [4]{1+x}} \, dx=\int { \frac {1}{\left (e x\right )^{\frac {3}{2}} {\left (x + 1\right )}^{\frac {1}{4}} {\left (-x + 1\right )}^{\frac {1}{4}}} \,d x } \]
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Result contains complex when optimal does not.
Time = 11.80 (sec) , antiderivative size = 87, normalized size of antiderivative = 2.07 \[ \int \frac {1}{\sqrt [4]{1-x} (e x)^{3/2} \sqrt [4]{1+x}} \, dx=- \frac {i {G_{6, 6}^{5, 3}\left (\begin {matrix} \frac {7}{8}, \frac {11}{8}, 1 & 1, \frac {5}{4}, \frac {3}{2} \\\frac {1}{2}, \frac {7}{8}, 1, \frac {11}{8}, \frac {3}{2} & 0 \end {matrix} \middle | {\frac {e^{- 2 i \pi }}{x^{2}}} \right )} e^{\frac {i \pi }{4}}}{4 \pi e^{\frac {3}{2}} \Gamma \left (\frac {1}{4}\right )} - \frac {{G_{6, 6}^{2, 6}\left (\begin {matrix} \frac {1}{4}, \frac {3}{8}, \frac {3}{4}, \frac {7}{8}, \frac {5}{4}, 1 & \\\frac {3}{8}, \frac {7}{8} & \frac {1}{4}, \frac {1}{2}, \frac {3}{4}, 0 \end {matrix} \middle | {\frac {1}{x^{2}}} \right )}}{4 \pi e^{\frac {3}{2}} \Gamma \left (\frac {1}{4}\right )} \]
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\[ \int \frac {1}{\sqrt [4]{1-x} (e x)^{3/2} \sqrt [4]{1+x}} \, dx=\int { \frac {1}{\left (e x\right )^{\frac {3}{2}} {\left (x + 1\right )}^{\frac {1}{4}} {\left (-x + 1\right )}^{\frac {1}{4}}} \,d x } \]
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\[ \int \frac {1}{\sqrt [4]{1-x} (e x)^{3/2} \sqrt [4]{1+x}} \, dx=\int { \frac {1}{\left (e x\right )^{\frac {3}{2}} {\left (x + 1\right )}^{\frac {1}{4}} {\left (-x + 1\right )}^{\frac {1}{4}}} \,d x } \]
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Timed out. \[ \int \frac {1}{\sqrt [4]{1-x} (e x)^{3/2} \sqrt [4]{1+x}} \, dx=\int \frac {1}{{\left (e\,x\right )}^{3/2}\,{\left (1-x\right )}^{1/4}\,{\left (x+1\right )}^{1/4}} \,d x \]
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