Optimal. Leaf size=4 \[ \sinh ^{-1}\left (e^x\right ) \]
[Out]
________________________________________________________________________________________
Rubi [A] time = 0.0214806, antiderivative size = 4, normalized size of antiderivative = 1., number of steps used = 2, number of rules used = 2, integrand size = 15, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.133, Rules used = {2249, 215} \[ \sinh ^{-1}\left (e^x\right ) \]
Antiderivative was successfully verified.
[In]
[Out]
Rule 2249
Rule 215
Rubi steps
\begin{align*} \int \frac{e^x}{\sqrt{1+e^{2 x}}} \, dx &=\operatorname{Subst}\left (\int \frac{1}{\sqrt{1+x^2}} \, dx,x,e^x\right )\\ &=\sinh ^{-1}\left (e^x\right )\\ \end{align*}
Mathematica [A] time = 0.0037465, size = 4, normalized size = 1. \[ \sinh ^{-1}\left (e^x\right ) \]
Antiderivative was successfully verified.
[In]
[Out]
________________________________________________________________________________________
Maple [A] time = 0.065, size = 4, normalized size = 1. \begin{align*}{\it Arcsinh} \left ({{\rm e}^{x}} \right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Maxima [A] time = 1.45739, size = 4, normalized size = 1. \begin{align*} \operatorname{arsinh}\left (e^{x}\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Fricas [B] time = 0.770909, size = 42, normalized size = 10.5 \begin{align*} -\log \left (\sqrt{e^{\left (2 \, x\right )} + 1} - e^{x}\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Sympy [A] time = 0.620196, size = 3, normalized size = 0.75 \begin{align*} \operatorname{asinh}{\left (e^{x} \right )} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Giac [B] time = 1.22555, size = 22, normalized size = 5.5 \begin{align*} -\log \left (\sqrt{e^{\left (2 \, x\right )} + 1} - e^{x}\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]