kkatgabiatsMar kkatgabiatsMar

21-11-2016
Mathematics

contestada

Maximum value of (log x)/x

Respuesta :

HomertheGenius HomertheGenius

24-11-2016

y = log x / x
y ` = (( log x )` * x - (x)` * log x) / x²=
= (1/x * x - 1 * log x ) / x² =
= ( 1 - log x ) / x²
y ` = 0;
1 - log x = 0
log x = 1
x = e
The maximum value:
y max = log e / e = 1 / e

Answer Link

Otras preguntas

Why are units used that are to express the densities of gases different from those used to express the densities of solids or liquids

Which tool has NOT greatly reduced the number of people who have died from infectious diseases? disinfectants antiseptics analgesics antibiotics

Which muscle fibers are best suited for running a marathon? Fast-twitch Slow-twitch Yellow fibers Stretch reflex

plate tectonics suggests that the ( a. biosphere) floats and moves on the ( a. atmosphere) or plate tectonics suggests that the ( b. asthenosphere) floats and

Do jelly fish have eyes, and mouths? If so, why cant we see them?

Incentives for political leaders can cause leaders to favor programs with immediate benefits and deferred costs. True False

You are given the following information: mass= 48 g. Volume=24 cm. what is the density of this substance

40=-5n/8 n=_________

An agreement to count slaves as three-fifths of a person was related to A. the creation of an upper and a lower house in Congress. B. the denial of African Ame

how do you write 12/75 as a decimal