Optimal. Leaf size=9 \[ -e^{-x-1} \]
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Rubi [A] time = 0.003023, antiderivative size = 9, normalized size of antiderivative = 1., number of steps used = 1, number of rules used = 1, integrand size = 7, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.143, Rules used = {2194} \[ -e^{-x-1} \]
Antiderivative was successfully verified.
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Rule 2194
Rubi steps
\begin{align*} \int e^{-1-x} \, dx &=-e^{-1-x}\\ \end{align*}
Mathematica [A] time = 0.0025931, size = 9, normalized size = 1. \[ -e^{-x-1} \]
Antiderivative was successfully verified.
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Maple [A] time = 0., size = 9, normalized size = 1. \begin{align*} -{{\rm e}^{-1-x}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 0.935708, size = 11, normalized size = 1.22 \begin{align*} -e^{\left (-x - 1\right )} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 2.0505, size = 18, normalized size = 2. \begin{align*} -e^{\left (-x - 1\right )} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 0.067781, size = 7, normalized size = 0.78 \begin{align*} - e^{- x - 1} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.06434, size = 11, normalized size = 1.22 \begin{align*} -e^{\left (-x - 1\right )} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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