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#1 2007-11-24 07:39:25

tony123
Member
Registered: 2007-08-03
Posts: 229

maximum?

For what real values of x will the value of  the expression


  be a maximum?

Last edited by tony123 (2007-11-24 07:40:57)

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#2 2007-11-24 09:25:30

mathsyperson
Moderator
Registered: 2005-06-22
Posts: 4,900

Re: maximum?

For the expression to be a maximum, it must be a critical point.
For that to happen, its derivative must be 0.






Now you check to see which of those critical points is a maximum, and you're done.


Why did the vector cross the road?
It wanted to be normal.

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