Optimal. Leaf size=23 \[ -\frac{1}{2} e^{-x} \sin (x)-\frac{1}{2} e^{-x} \cos (x) \]
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Rubi [A] time = 0.0084535, antiderivative size = 23, normalized size of antiderivative = 1., number of steps used = 1, number of rules used = 1, integrand size = 8, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.125, Rules used = {4432} \[ -\frac{1}{2} e^{-x} \sin (x)-\frac{1}{2} e^{-x} \cos (x) \]
Antiderivative was successfully verified.
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Rule 4432
Rubi steps
\begin{align*} \int e^{-x} \sin (x) \, dx &=-\frac{1}{2} e^{-x} \cos (x)-\frac{1}{2} e^{-x} \sin (x)\\ \end{align*}
Mathematica [A] time = 0.0123571, size = 14, normalized size = 0.61 \[ -\frac{1}{2} e^{-x} (\sin (x)+\cos (x)) \]
Antiderivative was successfully verified.
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Maple [A] time = 0.004, size = 18, normalized size = 0.8 \begin{align*} -{\frac{{{\rm e}^{-x}}\cos \left ( x \right ) }{2}}-{\frac{{{\rm e}^{-x}}\sin \left ( x \right ) }{2}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 0.938448, size = 15, normalized size = 0.65 \begin{align*} -\frac{1}{2} \,{\left (\cos \left (x\right ) + \sin \left (x\right )\right )} e^{\left (-x\right )} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 2.15851, size = 54, normalized size = 2.35 \begin{align*} -\frac{1}{2} \, \cos \left (x\right ) e^{\left (-x\right )} - \frac{1}{2} \, e^{\left (-x\right )} \sin \left (x\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 0.4605, size = 17, normalized size = 0.74 \begin{align*} - \frac{e^{- x} \sin{\left (x \right )}}{2} - \frac{e^{- x} \cos{\left (x \right )}}{2} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.05146, size = 15, normalized size = 0.65 \begin{align*} -\frac{1}{2} \,{\left (\cos \left (x\right ) + \sin \left (x\right )\right )} e^{\left (-x\right )} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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