Optimal. Leaf size=17 \[ \frac{e^{n \sinh (a+b x)}}{b n} \]
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Rubi [A] time = 0.0135215, antiderivative size = 17, normalized size of antiderivative = 1., number of steps used = 2, number of rules used = 2, integrand size = 17, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.118, Rules used = {4336, 2194} \[ \frac{e^{n \sinh (a+b x)}}{b n} \]
Antiderivative was successfully verified.
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Rule 4336
Rule 2194
Rubi steps
\begin{align*} \int e^{n \sinh (a+b x)} \cosh (a+b x) \, dx &=\frac{\operatorname{Subst}\left (\int e^{n x} \, dx,x,\sinh (a+b x)\right )}{b}\\ &=\frac{e^{n \sinh (a+b x)}}{b n}\\ \end{align*}
Mathematica [A] time = 0.0160259, size = 17, normalized size = 1. \[ \frac{e^{n \sinh (a+b x)}}{b n} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.006, size = 17, normalized size = 1. \begin{align*}{\frac{{{\rm e}^{n\sinh \left ( bx+a \right ) }}}{bn}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 1.00828, size = 22, normalized size = 1.29 \begin{align*} \frac{e^{\left (n \sinh \left (b x + a\right )\right )}}{b n} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 2.03225, size = 74, normalized size = 4.35 \begin{align*} \frac{\cosh \left (n \sinh \left (b x + a\right )\right ) + \sinh \left (n \sinh \left (b x + a\right )\right )}{b n} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 1.14793, size = 36, normalized size = 2.12 \begin{align*} \begin{cases} x \cosh{\left (a \right )} & \text{for}\: b = 0 \wedge n = 0 \\x e^{n \sinh{\left (a \right )}} \cosh{\left (a \right )} & \text{for}\: b = 0 \\\frac{\sinh{\left (a + b x \right )}}{b} & \text{for}\: n = 0 \\\frac{e^{n \sinh{\left (a + b x \right )}}}{b n} & \text{otherwise} \end{cases} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.15056, size = 39, normalized size = 2.29 \begin{align*} \frac{e^{\left (\frac{1}{2} \, n{\left (e^{\left (b x + a\right )} - e^{\left (-b x - a\right )}\right )}\right )}}{b n} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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