Given the function \( f(x)=x^{2} e^{-2 x}, x0 \). Then \( f(x) \) h...

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Given the function \( f(x)=x^{2} e^{-2 x}, x0 \). Then \( f(x) \) has the maximum value equal to
(a) \( e^{-1} \)
(b) \( (2 e)^{-1} \)
(c) \( e^{-2} \)
(d) none of these
(W)
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