題組內容
2. Answer the following questions:
2.5 If \( f(x) = (\ln x)^{1 / x} \) for \( x > 0 \), then \( \frac{df(x)}{dx} = \underline{\quad (5\%)} \), and \( \lim_{x\to \infty}f(x) = \underline{\quad (5\%)} \).
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2. Answer the following questions:
2.5 If \( f(x) = (\ln x)^{1 / x} \) for \( x > 0 \), then \( \frac{df(x)}{dx} = \underline{\quad (5\%)} \), and \( \lim_{x\to \infty}f(x) = \underline{\quad (5\%)} \).