Integrand size = 8, antiderivative size = 105 \[ \int e^{\text {sech}^{-1}\left (a x^p\right )} \, dx=e^{\text {sech}^{-1}\left (a x^p\right )} x+\frac {p x^{1-p}}{a (1-p)}+\frac {p x^{1-p} \sqrt {\frac {1}{1+a x^p}} \sqrt {1+a x^p} \operatorname {Hypergeometric2F1}\left (\frac {1}{2},\frac {1}{2} \left (-1+\frac {1}{p}\right ),\frac {1+p}{2 p},a^2 x^{2 p}\right )}{a (1-p)} \]
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Time = 0.04 (sec) , antiderivative size = 105, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.500, Rules used = {6465, 30, 265, 371} \[ \int e^{\text {sech}^{-1}\left (a x^p\right )} \, dx=\frac {p x^{1-p} \sqrt {\frac {1}{a x^p+1}} \sqrt {a x^p+1} \operatorname {Hypergeometric2F1}\left (\frac {1}{2},\frac {1}{2} \left (\frac {1}{p}-1\right ),\frac {p+1}{2 p},a^2 x^{2 p}\right )}{a (1-p)}+\frac {p x^{1-p}}{a (1-p)}+x e^{\text {sech}^{-1}\left (a x^p\right )} \]
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Rule 30
Rule 265
Rule 371
Rule 6465
Rubi steps \begin{align*} \text {integral}& = e^{\text {sech}^{-1}\left (a x^p\right )} x+\frac {p \int x^{-p} \, dx}{a}+\frac {\left (p \sqrt {\frac {1}{1+a x^p}} \sqrt {1+a x^p}\right ) \int \frac {x^{-p}}{\sqrt {1-a x^p} \sqrt {1+a x^p}} \, dx}{a} \\ & = e^{\text {sech}^{-1}\left (a x^p\right )} x+\frac {p x^{1-p}}{a (1-p)}+\frac {\left (p \sqrt {\frac {1}{1+a x^p}} \sqrt {1+a x^p}\right ) \int \frac {x^{-p}}{\sqrt {1-a^2 x^{2 p}}} \, dx}{a} \\ & = e^{\text {sech}^{-1}\left (a x^p\right )} x+\frac {p x^{1-p}}{a (1-p)}+\frac {p x^{1-p} \sqrt {\frac {1}{1+a x^p}} \sqrt {1+a x^p} \operatorname {Hypergeometric2F1}\left (\frac {1}{2},\frac {1}{2} \left (-1+\frac {1}{p}\right ),\frac {1+p}{2 p},a^2 x^{2 p}\right )}{a (1-p)} \\ \end{align*}
Time = 0.25 (sec) , antiderivative size = 164, normalized size of antiderivative = 1.56 \[ \int e^{\text {sech}^{-1}\left (a x^p\right )} \, dx=\frac {x^{1-p} \left (-1-\sqrt {\frac {1-a x^p}{1+a x^p}}-a x^p \sqrt {\frac {1-a x^p}{1+a x^p}}+\frac {a^2 p x^{2 p} \sqrt {\frac {1-a x^p}{1+a x^p}} \sqrt {1-a^2 x^{2 p}} \operatorname {Hypergeometric2F1}\left (\frac {1}{2},\frac {1+p}{2 p},\frac {1}{2} \left (3+\frac {1}{p}\right ),a^2 x^{2 p}\right )}{(1+p) \left (-1+a x^p\right )}\right )}{a (-1+p)} \]
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\[\int \left (\frac {x^{-p}}{a}+\sqrt {\frac {x^{-p}}{a}-1}\, \sqrt {\frac {x^{-p}}{a}+1}\right )d x\]
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Exception generated. \[ \int e^{\text {sech}^{-1}\left (a x^p\right )} \, dx=\text {Exception raised: TypeError} \]
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\[ \int e^{\text {sech}^{-1}\left (a x^p\right )} \, dx=\frac {\int x^{- p}\, dx + \int a \sqrt {-1 + \frac {x^{- p}}{a}} \sqrt {1 + \frac {x^{- p}}{a}}\, dx}{a} \]
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Exception generated. \[ \int e^{\text {sech}^{-1}\left (a x^p\right )} \, dx=\text {Exception raised: ValueError} \]
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\[ \int e^{\text {sech}^{-1}\left (a x^p\right )} \, dx=\int { \sqrt {\frac {1}{a x^{p}} + 1} \sqrt {\frac {1}{a x^{p}} - 1} + \frac {1}{a x^{p}} \,d x } \]
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Timed out. \[ \int e^{\text {sech}^{-1}\left (a x^p\right )} \, dx=\int \sqrt {\frac {1}{a\,x^p}-1}\,\sqrt {\frac {1}{a\,x^p}+1}+\frac {1}{a\,x^p} \,d x \]
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