Optimal. Leaf size=113 \[ -\frac {3 b \cosh (a) \text {Chi}\left (b x^n\right )}{4 n}+\frac {3 b \cosh (3 a) \text {Chi}\left (3 b x^n\right )}{4 n}+\frac {3 x^{-n} \sinh \left (a+b x^n\right )}{4 n}-\frac {x^{-n} \sinh \left (3 \left (a+b x^n\right )\right )}{4 n}-\frac {3 b \sinh (a) \text {Shi}\left (b x^n\right )}{4 n}+\frac {3 b \sinh (3 a) \text {Shi}\left (3 b x^n\right )}{4 n} \]
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Rubi [A]
time = 0.16, antiderivative size = 113, normalized size of antiderivative = 1.00, number of steps
used = 12, number of rules used = 6, integrand size = 18, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.333, Rules used = {5470, 5428,
3378, 3384, 3379, 3382} \begin {gather*} -\frac {3 b \cosh (a) \text {Chi}\left (b x^n\right )}{4 n}+\frac {3 b \cosh (3 a) \text {Chi}\left (3 b x^n\right )}{4 n}-\frac {3 b \sinh (a) \text {Shi}\left (b x^n\right )}{4 n}+\frac {3 b \sinh (3 a) \text {Shi}\left (3 b x^n\right )}{4 n}+\frac {3 x^{-n} \sinh \left (a+b x^n\right )}{4 n}-\frac {x^{-n} \sinh \left (3 \left (a+b x^n\right )\right )}{4 n} \end {gather*}
Antiderivative was successfully verified.
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Rule 3378
Rule 3379
Rule 3382
Rule 3384
Rule 5428
Rule 5470
Rubi steps
\begin {align*} \int x^{-1-n} \sinh ^3\left (a+b x^n\right ) \, dx &=\int \left (-\frac {3}{4} x^{-1-n} \sinh \left (a+b x^n\right )+\frac {1}{4} x^{-1-n} \sinh \left (3 a+3 b x^n\right )\right ) \, dx\\ &=\frac {1}{4} \int x^{-1-n} \sinh \left (3 a+3 b x^n\right ) \, dx-\frac {3}{4} \int x^{-1-n} \sinh \left (a+b x^n\right ) \, dx\\ &=\frac {\text {Subst}\left (\int \frac {\sinh (3 a+3 b x)}{x^2} \, dx,x,x^n\right )}{4 n}-\frac {3 \text {Subst}\left (\int \frac {\sinh (a+b x)}{x^2} \, dx,x,x^n\right )}{4 n}\\ &=\frac {3 x^{-n} \sinh \left (a+b x^n\right )}{4 n}-\frac {x^{-n} \sinh \left (3 \left (a+b x^n\right )\right )}{4 n}-\frac {(3 b) \text {Subst}\left (\int \frac {\cosh (a+b x)}{x} \, dx,x,x^n\right )}{4 n}+\frac {(3 b) \text {Subst}\left (\int \frac {\cosh (3 a+3 b x)}{x} \, dx,x,x^n\right )}{4 n}\\ &=\frac {3 x^{-n} \sinh \left (a+b x^n\right )}{4 n}-\frac {x^{-n} \sinh \left (3 \left (a+b x^n\right )\right )}{4 n}-\frac {(3 b \cosh (a)) \text {Subst}\left (\int \frac {\cosh (b x)}{x} \, dx,x,x^n\right )}{4 n}+\frac {(3 b \cosh (3 a)) \text {Subst}\left (\int \frac {\cosh (3 b x)}{x} \, dx,x,x^n\right )}{4 n}-\frac {(3 b \sinh (a)) \text {Subst}\left (\int \frac {\sinh (b x)}{x} \, dx,x,x^n\right )}{4 n}+\frac {(3 b \sinh (3 a)) \text {Subst}\left (\int \frac {\sinh (3 b x)}{x} \, dx,x,x^n\right )}{4 n}\\ &=-\frac {3 b \cosh (a) \text {Chi}\left (b x^n\right )}{4 n}+\frac {3 b \cosh (3 a) \text {Chi}\left (3 b x^n\right )}{4 n}+\frac {3 x^{-n} \sinh \left (a+b x^n\right )}{4 n}-\frac {x^{-n} \sinh \left (3 \left (a+b x^n\right )\right )}{4 n}-\frac {3 b \sinh (a) \text {Shi}\left (b x^n\right )}{4 n}+\frac {3 b \sinh (3 a) \text {Shi}\left (3 b x^n\right )}{4 n}\\ \end {align*}
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Mathematica [A]
time = 0.14, size = 95, normalized size = 0.84 \begin {gather*} -\frac {x^{-n} \left (3 b x^n \cosh (a) \text {Chi}\left (b x^n\right )-3 b x^n \cosh (3 a) \text {Chi}\left (3 b x^n\right )-3 \sinh \left (a+b x^n\right )+\sinh \left (3 \left (a+b x^n\right )\right )+3 b x^n \sinh (a) \text {Shi}\left (b x^n\right )-3 b x^n \sinh (3 a) \text {Shi}\left (3 b x^n\right )\right )}{4 n} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 3.28, size = 152, normalized size = 1.35
method | result | size |
risch | \(\frac {{\mathrm e}^{-3 a -3 b \,x^{n}} x^{-n}}{8 n}-\frac {3 b \,{\mathrm e}^{-3 a} \expIntegral \left (1, 3 b \,x^{n}\right )}{8 n}-\frac {3 \,{\mathrm e}^{-a -b \,x^{n}} x^{-n}}{8 n}+\frac {3 b \,{\mathrm e}^{-a} \expIntegral \left (1, b \,x^{n}\right )}{8 n}-\frac {x^{-n} {\mathrm e}^{3 a +3 b \,x^{n}}}{8 n}-\frac {3 b \,{\mathrm e}^{3 a} \expIntegral \left (1, -3 b \,x^{n}\right )}{8 n}+\frac {3 \,{\mathrm e}^{a +b \,x^{n}} x^{-n}}{8 n}+\frac {3 b \,{\mathrm e}^{a} \expIntegral \left (1, -b \,x^{n}\right )}{8 n}\) | \(152\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.36, size = 70, normalized size = 0.62 \begin {gather*} \frac {3 \, b e^{\left (-3 \, a\right )} \Gamma \left (-1, 3 \, b x^{n}\right )}{8 \, n} - \frac {3 \, b e^{\left (-a\right )} \Gamma \left (-1, b x^{n}\right )}{8 \, n} - \frac {3 \, b e^{a} \Gamma \left (-1, -b x^{n}\right )}{8 \, n} + \frac {3 \, b e^{\left (3 \, a\right )} \Gamma \left (-1, -3 \, b x^{n}\right )}{8 \, n} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] Leaf count of result is larger than twice the leaf count of optimal. 303 vs.
\(2 (102) = 204\).
time = 0.42, size = 303, normalized size = 2.68 \begin {gather*} -\frac {2 \, \sinh \left (b \cosh \left (n \log \left (x\right )\right ) + b \sinh \left (n \log \left (x\right )\right ) + a\right )^{3} - 3 \, {\left ({\left (b \cosh \left (3 \, a\right ) + b \sinh \left (3 \, a\right )\right )} \cosh \left (n \log \left (x\right )\right ) + {\left (b \cosh \left (3 \, a\right ) + b \sinh \left (3 \, a\right )\right )} \sinh \left (n \log \left (x\right )\right )\right )} {\rm Ei}\left (3 \, b \cosh \left (n \log \left (x\right )\right ) + 3 \, b \sinh \left (n \log \left (x\right )\right )\right ) + 3 \, {\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 ) + 3 \, {\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 ) - 3 \, {\left ({\left (b \cosh \left (3 \, a\right ) - b \sinh \left (3 \, a\right )\right )} \cosh \left (n \log \left (x\right )\right ) + {\left (b \cosh \left (3 \, a\right ) - b \sinh \left (3 \, a\right )\right )} \sinh \left (n \log \left (x\right )\right )\right )} {\rm Ei}\left (-3 \, b \cosh \left (n \log \left (x\right )\right ) - 3 \, b \sinh \left (n \log \left (x\right )\right )\right ) + 6 \, {\left (\cosh \left (b \cosh \left (n \log \left (x\right )\right ) + b \sinh \left (n \log \left (x\right )\right ) + a\right )^{2} - 1\right )} \sinh \left (b \cosh \left (n \log \left (x\right )\right ) + b \sinh \left (n \log \left (x\right )\right ) + a\right )}{8 \, {\left (n \cosh \left (n \log \left (x\right )\right ) + n \sinh \left (n \log \left (x\right )\right )\right )}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F(-2)]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Exception raised: SystemError} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {could not integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [F]
time = 0.00, size = -1, normalized size = -0.01 \begin {gather*} \int \frac {{\mathrm {sinh}\left (a+b\,x^n\right )}^3}{x^{n+1}} \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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