Optimal. Leaf size=19 \[ \frac{\text{Ei}(n \cosh (a c+b x c))}{b c} \]
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Rubi [A] time = 0.0238702, antiderivative size = 19, normalized size of antiderivative = 1., number of steps used = 2, number of rules used = 2, integrand size = 22, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.091, Rules used = {4341, 2178} \[ \frac{\text{Ei}(n \cosh (a c+b x c))}{b c} \]
Antiderivative was successfully verified.
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Rule 4341
Rule 2178
Rubi steps
\begin{align*} \int e^{n \cosh (c (a+b x))} \tanh (a c+b c x) \, dx &=\frac{\operatorname{Subst}\left (\int \frac{e^{n x}}{x} \, dx,x,\cosh (a c+b c x)\right )}{b c}\\ &=\frac{\text{Ei}(n \cosh (a c+b c x))}{b c}\\ \end{align*}
Mathematica [A] time = 0.0613761, size = 18, normalized size = 0.95 \[ \frac{\text{Ei}(n \cosh (c (a+b x)))}{b c} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.039, size = 23, normalized size = 1.2 \begin{align*} -{\frac{{\it Ei} \left ( 1,-n\cosh \left ( bcx+ac \right ) \right ) }{cb}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int e^{\left (n \cosh \left ({\left (b x + a\right )} c\right )\right )} \tanh \left (b c x + a c\right )\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 2.04753, size = 42, normalized size = 2.21 \begin{align*} \frac{{\rm Ei}\left (n \cosh \left (b c x + a c\right )\right )}{b c} \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 e^{n \cosh{\left (a c + b c x \right )}} \tanh{\left (a c + b c x \right )}\, 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 e^{\left (n \cosh \left ({\left (b x + a\right )} c\right )\right )} \tanh \left (b c x + a c\right )\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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