Optimal. Leaf size=23 \[ \frac {1}{10} e^{-3 x} \sin (x)-\frac {3}{10} e^{-3 x} \cos (x) \]
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Rubi [A] time = 0.01, antiderivative size = 23, normalized size of antiderivative = 1.00, 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 = {4433} \[ \frac {1}{10} e^{-3 x} \sin (x)-\frac {3}{10} e^{-3 x} \cos (x) \]
Antiderivative was successfully verified.
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Rule 4433
Rubi steps
\begin {align*} \int e^{-3 x} \cos (x) \, dx &=-\frac {3}{10} e^{-3 x} \cos (x)+\frac {1}{10} e^{-3 x} \sin (x)\\ \end {align*}
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Mathematica [A] time = 0.01, size = 16, normalized size = 0.70 \[ \frac {1}{10} e^{-3 x} (\sin (x)-3 \cos (x)) \]
Antiderivative was successfully verified.
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fricas [A] time = 0.69, size = 17, normalized size = 0.74 \[ -\frac {3}{10} \, \cos \relax (x) e^{\left (-3 \, x\right )} + \frac {1}{10} \, e^{\left (-3 \, x\right )} \sin \relax (x) \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.14, size = 15, normalized size = 0.65 \[ -\frac {1}{10} \, {\left (3 \, \cos \relax (x) - \sin \relax (x)\right )} e^{\left (-3 \, x\right )} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.02, size = 18, normalized size = 0.78 \[ -\frac {3 \,{\mathrm e}^{-3 x} \cos \relax (x )}{10}+\frac {{\mathrm e}^{-3 x} \sin \relax (x )}{10} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 0.33, size = 15, normalized size = 0.65 \[ -\frac {1}{10} \, {\left (3 \, \cos \relax (x) - \sin \relax (x)\right )} e^{\left (-3 \, x\right )} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.02, size = 15, normalized size = 0.65 \[ -\frac {{\mathrm {e}}^{-3\,x}\,\left (3\,\cos \relax (x)-\sin \relax (x)\right )}{10} \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 0.40, size = 20, normalized size = 0.87 \[ \frac {e^{- 3 x} \sin {\relax (x )}}{10} - \frac {3 e^{- 3 x} \cos {\relax (x )}}{10} \]
Verification of antiderivative is not currently implemented for this CAS.
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