Question

Asked Jan 22, 2020

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a. If (ln x)/x = (ln 2)/2, must x = 2?

b. If (ln x)/x = -2 ln 2, must x = 1/2?

Give reasons for your answers.

Step 1

Given:

- If (ln x)/x = (ln 2)/2, must x = 2? ……... (1)
- If (ln x)/x = -2 ln 2, must x = 1/2? …….. (2)

Step 2

Proof part (a):

Step 3

Again, for x = 4,...

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