For function f(x)=(lnx)/(x), which of th...

For function `f(x)=(lnx)/(x),` which of the following statements are true?

A

f(x) has horizontal tangent at x = e

B

f(x) cuts the X-axis only at one point

C

f(x) is many-one function

D

f(x) has one vertical tangent

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The correct Answer is:

A, B, C

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