Integrand size = 24, antiderivative size = 95 \[ \int \frac {1}{\sqrt [4]{1-x} (e x)^{11/2} \sqrt [4]{1+x}} \, dx=-\frac {2 \left (1-x^2\right )^{3/4}}{9 e (e x)^{9/2}}-\frac {4 \left (1-x^2\right )^{3/4}}{15 e^3 (e x)^{5/2}}-\frac {8 \sqrt [4]{1-\frac {1}{x^2}} \sqrt {e x} E\left (\left .\frac {1}{2} \csc ^{-1}(x)\right |2\right )}{15 e^6 \sqrt [4]{1-x^2}} \]
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Time = 0.02 (sec) , antiderivative size = 95, normalized size of antiderivative = 1.00, number of steps used = 6, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.208, Rules used = {126, 331, 323, 342, 234} \[ \int \frac {1}{\sqrt [4]{1-x} (e x)^{11/2} \sqrt [4]{1+x}} \, dx=-\frac {8 \sqrt [4]{1-\frac {1}{x^2}} \sqrt {e x} E\left (\left .\frac {1}{2} \csc ^{-1}(x)\right |2\right )}{15 e^6 \sqrt [4]{1-x^2}}-\frac {4 \left (1-x^2\right )^{3/4}}{15 e^3 (e x)^{5/2}}-\frac {2 \left (1-x^2\right )^{3/4}}{9 e (e x)^{9/2}} \]
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Rule 126
Rule 234
Rule 323
Rule 331
Rule 342
Rubi steps \begin{align*} \text {integral}& = \int \frac {1}{(e x)^{11/2} \sqrt [4]{1-x^2}} \, dx \\ & = -\frac {2 \left (1-x^2\right )^{3/4}}{9 e (e x)^{9/2}}+\frac {2 \int \frac {1}{(e x)^{7/2} \sqrt [4]{1-x^2}} \, dx}{3 e^2} \\ & = -\frac {2 \left (1-x^2\right )^{3/4}}{9 e (e x)^{9/2}}-\frac {4 \left (1-x^2\right )^{3/4}}{15 e^3 (e x)^{5/2}}+\frac {4 \int \frac {1}{(e x)^{3/2} \sqrt [4]{1-x^2}} \, dx}{15 e^4} \\ & = -\frac {2 \left (1-x^2\right )^{3/4}}{9 e (e x)^{9/2}}-\frac {4 \left (1-x^2\right )^{3/4}}{15 e^3 (e x)^{5/2}}+\frac {\left (4 \sqrt [4]{1-\frac {1}{x^2}} \sqrt {e x}\right ) \int \frac {1}{\sqrt [4]{1-\frac {1}{x^2}} x^2} \, dx}{15 e^6 \sqrt [4]{1-x^2}} \\ & = -\frac {2 \left (1-x^2\right )^{3/4}}{9 e (e x)^{9/2}}-\frac {4 \left (1-x^2\right )^{3/4}}{15 e^3 (e x)^{5/2}}-\frac {\left (4 \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 )}{15 e^6 \sqrt [4]{1-x^2}} \\ & = -\frac {2 \left (1-x^2\right )^{3/4}}{9 e (e x)^{9/2}}-\frac {4 \left (1-x^2\right )^{3/4}}{15 e^3 (e x)^{5/2}}-\frac {8 \sqrt [4]{1-\frac {1}{x^2}} \sqrt {e x} E\left (\left .\frac {1}{2} \csc ^{-1}(x)\right |2\right )}{15 e^6 \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 = 25, normalized size of antiderivative = 0.26 \[ \int \frac {1}{\sqrt [4]{1-x} (e x)^{11/2} \sqrt [4]{1+x}} \, dx=-\frac {2 x \operatorname {Hypergeometric2F1}\left (-\frac {9}{4},\frac {1}{4},-\frac {5}{4},x^2\right )}{9 (e x)^{11/2}} \]
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\[\int \frac {1}{\left (1-x \right )^{\frac {1}{4}} \left (e x \right )^{\frac {11}{2}} \left (1+x \right )^{\frac {1}{4}}}d x\]
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\[ \int \frac {1}{\sqrt [4]{1-x} (e x)^{11/2} \sqrt [4]{1+x}} \, dx=\int { \frac {1}{\left (e x\right )^{\frac {11}{2}} {\left (x + 1\right )}^{\frac {1}{4}} {\left (-x + 1\right )}^{\frac {1}{4}}} \,d x } \]
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Timed out. \[ \int \frac {1}{\sqrt [4]{1-x} (e x)^{11/2} \sqrt [4]{1+x}} \, dx=\text {Timed out} \]
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\[ \int \frac {1}{\sqrt [4]{1-x} (e x)^{11/2} \sqrt [4]{1+x}} \, dx=\int { \frac {1}{\left (e x\right )^{\frac {11}{2}} {\left (x + 1\right )}^{\frac {1}{4}} {\left (-x + 1\right )}^{\frac {1}{4}}} \,d x } \]
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\[ \int \frac {1}{\sqrt [4]{1-x} (e x)^{11/2} \sqrt [4]{1+x}} \, dx=\int { \frac {1}{\left (e x\right )^{\frac {11}{2}} {\left (x + 1\right )}^{\frac {1}{4}} {\left (-x + 1\right )}^{\frac {1}{4}}} \,d x } \]
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Timed out. \[ \int \frac {1}{\sqrt [4]{1-x} (e x)^{11/2} \sqrt [4]{1+x}} \, dx=\int \frac {1}{{\left (e\,x\right )}^{11/2}\,{\left (1-x\right )}^{1/4}\,{\left (x+1\right )}^{1/4}} \,d x \]
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