If f(x)=(log)x(lnx),thenfprime(x) at x=e is equal to e1 (b) e (c) 1 (d) zero

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If {f{{({x})}}}={({})}_{{x}}{({{{x}}})},{t}{h}{e}{n}{{f}^{{{p}

Question

If $f (x) = (lo g)_{x} (ln x), t h e n f^{p r i m e} (x)$ at $x = e$ is equal to $\frac{1}{e}$ (b) e (c) 1 (d) zero

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f (x) = (lo g)_{x} (ln x), t h e n f^{p r i m e} (x)

x = e

is equal to

\frac{1}{e}

(b) e (c) 1 (d) zero

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Question Text

f (x) = (lo g)_{x} (ln x), t h e n f^{p r i m e} (x)

x = e

is equal to

\frac{1}{e}

(b) e (c) 1 (d) zero