Math Is Fun Forum

Avva

Member

Registered: 2009-02-25

Posts: 41

HELP limit problem

help me solve this limit probem

bobbym

bumpkin

From: Bumpkinland

Registered: 2009-04-12

Posts: 109,606

Re: HELP limit problem

Hi Avva;

You have a 0 / 0 form when you plug in x = 2 so you can use L'Hospital's Rule.

The new limit is:

Can you do that one?

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In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

Avva

Member

Registered: 2009-02-25

Posts: 41

Re: HELP limit problem

we don't solve it that way it is unofficial in our curriculum to solve it using derivative we use these rules http://library.thinkquest.org/C006002/Pages/Rules_of_Limits.htm

Ricky

Moderator

Registered: 2005-12-04

Posts: 3,791

Re: HELP limit problem

Hint:

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"In the real world, this would be a problem.  But in mathematics, we can just define a place where this problem doesn't exist.  So we'll go ahead and do that now..."