Optimal. Leaf size=71 \[ \frac{e^{-a} \left (b x^n\right )^{\frac{1}{n}} \text{Gamma}\left (-\frac{1}{n},b x^n\right )}{2 n x}-\frac{e^a \left (-b x^n\right )^{\frac{1}{n}} \text{Gamma}\left (-\frac{1}{n},-b x^n\right )}{2 n x} \]
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Rubi [A] time = 0.0634738, antiderivative size = 71, normalized size of antiderivative = 1., number of steps used = 3, number of rules used = 2, integrand size = 12, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.167, Rules used = {5360, 2218} \[ \frac{e^{-a} \left (b x^n\right )^{\frac{1}{n}} \text{Gamma}\left (-\frac{1}{n},b x^n\right )}{2 n x}-\frac{e^a \left (-b x^n\right )^{\frac{1}{n}} \text{Gamma}\left (-\frac{1}{n},-b x^n\right )}{2 n x} \]
Antiderivative was successfully verified.
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Rule 5360
Rule 2218
Rubi steps
\begin{align*} \int \frac{\sinh \left (a+b x^n\right )}{x^2} \, dx &=-\left (\frac{1}{2} \int \frac{e^{-a-b x^n}}{x^2} \, dx\right )+\frac{1}{2} \int \frac{e^{a+b x^n}}{x^2} \, dx\\ &=-\frac{e^a \left (-b x^n\right )^{\frac{1}{n}} \Gamma \left (-\frac{1}{n},-b x^n\right )}{2 n x}+\frac{e^{-a} \left (b x^n\right )^{\frac{1}{n}} \Gamma \left (-\frac{1}{n},b x^n\right )}{2 n x}\\ \end{align*}
Mathematica [A] time = 0.0672384, size = 68, normalized size = 0.96 \[ \frac{(\cosh (a)-\sinh (a)) \left (b x^n\right )^{\frac{1}{n}} \text{Gamma}\left (-\frac{1}{n},b x^n\right )-(\sinh (a)+\cosh (a)) \left (-b x^n\right )^{\frac{1}{n}} \text{Gamma}\left (-\frac{1}{n},-b x^n\right )}{2 n x} \]
Antiderivative was successfully verified.
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Maple [C] time = 0.077, size = 77, normalized size = 1.1 \begin{align*} -{\frac{\sinh \left ( a \right ) }{x}{\mbox{$_1$F$_2$}(-{\frac{1}{2\,n}};\,{\frac{1}{2}},1-{\frac{1}{2\,n}};\,{\frac{{x}^{2\,n}{b}^{2}}{4}})}}+{\frac{{x}^{-1+n}b\cosh \left ( a \right ) }{-1+n}{\mbox{$_1$F$_2$}({\frac{1}{2}}-{\frac{1}{2\,n}};\,{\frac{3}{2}},{\frac{3}{2}}-{\frac{1}{2\,n}};\,{\frac{{x}^{2\,n}{b}^{2}}{4}})}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 1.19774, size = 88, normalized size = 1.24 \begin{align*} \frac{\left (b x^{n}\right )^{\left (\frac{1}{n}\right )} e^{\left (-a\right )} \Gamma \left (-\frac{1}{n}, b x^{n}\right )}{2 \, n x} - \frac{\left (-b x^{n}\right )^{\left (\frac{1}{n}\right )} e^{a} \Gamma \left (-\frac{1}{n}, -b x^{n}\right )}{2 \, n x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [F] time = 0., size = 0, normalized size = 0. \begin{align*}{\rm integral}\left (\frac{\sinh \left (b x^{n} + a\right )}{x^{2}}, x\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{\sinh{\left (a + b x^{n} \right )}}{x^{2}}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{\sinh \left (b x^{n} + a\right )}{x^{2}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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