Integrand size = 16, antiderivative size = 45 \[ \int x^{-1-n} \sinh \left (a+b x^n\right ) \, dx=\frac {b \cosh (a) \text {Chi}\left (b x^n\right )}{n}-\frac {x^{-n} \sinh \left (a+b x^n\right )}{n}+\frac {b \sinh (a) \text {Shi}\left (b x^n\right )}{n} \]
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Time = 0.07 (sec) , antiderivative size = 45, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.312, Rules used = {5428, 3378, 3384, 3379, 3382} \[ \int x^{-1-n} \sinh \left (a+b x^n\right ) \, dx=\frac {b \cosh (a) \text {Chi}\left (b x^n\right )}{n}+\frac {b \sinh (a) \text {Shi}\left (b x^n\right )}{n}-\frac {x^{-n} \sinh \left (a+b x^n\right )}{n} \]
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Rule 3378
Rule 3379
Rule 3382
Rule 3384
Rule 5428
Rubi steps \begin{align*} \text {integral}& = \frac {\text {Subst}\left (\int \frac {\sinh (a+b x)}{x^2} \, dx,x,x^n\right )}{n} \\ & = -\frac {x^{-n} \sinh \left (a+b x^n\right )}{n}+\frac {b \text {Subst}\left (\int \frac {\cosh (a+b x)}{x} \, dx,x,x^n\right )}{n} \\ & = -\frac {x^{-n} \sinh \left (a+b x^n\right )}{n}+\frac {(b \cosh (a)) \text {Subst}\left (\int \frac {\cosh (b x)}{x} \, dx,x,x^n\right )}{n}+\frac {(b \sinh (a)) \text {Subst}\left (\int \frac {\sinh (b x)}{x} \, dx,x,x^n\right )}{n} \\ & = \frac {b \cosh (a) \text {Chi}\left (b x^n\right )}{n}-\frac {x^{-n} \sinh \left (a+b x^n\right )}{n}+\frac {b \sinh (a) \text {Shi}\left (b x^n\right )}{n} \\ \end{align*}
Time = 0.05 (sec) , antiderivative size = 46, normalized size of antiderivative = 1.02 \[ \int x^{-1-n} \sinh \left (a+b x^n\right ) \, dx=\frac {x^{-n} \left (b x^n \cosh (a) \text {Chi}\left (b x^n\right )-\sinh \left (a+b x^n\right )+b x^n \sinh (a) \text {Shi}\left (b x^n\right )\right )}{n} \]
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Time = 1.85 (sec) , antiderivative size = 66, normalized size of antiderivative = 1.47
method | result | size |
risch | \(\frac {\left (-b \,{\mathrm e}^{-a} \operatorname {Ei}_{1}\left (b \,x^{n}\right ) x^{n}-b \,{\mathrm e}^{a} \operatorname {Ei}_{1}\left (-b \,x^{n}\right ) x^{n}+{\mathrm e}^{-a -b \,x^{n}}-{\mathrm e}^{a +b \,x^{n}}\right ) x^{-n}}{2 n}\) | \(66\) |
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Leaf count of result is larger than twice the leaf count of optimal. 139 vs. \(2 (45) = 90\).
Time = 0.25 (sec) , antiderivative size = 139, normalized size of antiderivative = 3.09 \[ \int x^{-1-n} \sinh \left (a+b x^n\right ) \, dx=\frac {{\left ({\left (b \cosh \left (a\right ) + b \sinh \left (a\right )\right )} \cosh \left (n \log \left (x\right )\right ) + {\left (b \cosh \left (a\right ) + b \sinh \left (a\right )\right )} \sinh \left (n \log \left (x\right )\right )\right )} {\rm Ei}\left (b \cosh \left (n \log \left (x\right )\right ) + b \sinh \left (n \log \left (x\right )\right )\right ) + {\left ({\left (b \cosh \left (a\right ) - b \sinh \left (a\right )\right )} \cosh \left (n \log \left (x\right )\right ) + {\left (b \cosh \left (a\right ) - b \sinh \left (a\right )\right )} \sinh \left (n \log \left (x\right )\right )\right )} {\rm Ei}\left (-b \cosh \left (n \log \left (x\right )\right ) - b \sinh \left (n \log \left (x\right )\right )\right ) - 2 \, \sinh \left (b \cosh \left (n \log \left (x\right )\right ) + b \sinh \left (n \log \left (x\right )\right ) + a\right )}{2 \, {\left (n \cosh \left (n \log \left (x\right )\right ) + n \sinh \left (n \log \left (x\right )\right )\right )}} \]
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\[ \int x^{-1-n} \sinh \left (a+b x^n\right ) \, dx=\int x^{- n - 1} \sinh {\left (a + b x^{n} \right )}\, dx \]
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none
Time = 0.25 (sec) , antiderivative size = 34, normalized size of antiderivative = 0.76 \[ \int x^{-1-n} \sinh \left (a+b x^n\right ) \, dx=\frac {b e^{\left (-a\right )} \Gamma \left (-1, b x^{n}\right )}{2 \, n} + \frac {b e^{a} \Gamma \left (-1, -b x^{n}\right )}{2 \, n} \]
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\[ \int x^{-1-n} \sinh \left (a+b x^n\right ) \, dx=\int { x^{-n - 1} \sinh \left (b x^{n} + a\right ) \,d x } \]
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Timed out. \[ \int x^{-1-n} \sinh \left (a+b x^n\right ) \, dx=\int \frac {\mathrm {sinh}\left (a+b\,x^n\right )}{x^{n+1}} \,d x \]
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