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You Are Here: Home > Answer Board > Calculus > Topic: L'hopital's rule need IT FAST! will rate lifesaver im...
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L'hopital's rule need IT FAST! will rate lifesaver immediately!!!!!

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Scholar
Karma Points: 224
Respect (96%):
Date Posted: 7/23/2008 9:28:55 PM  Status: Closed
L'hopital's rule need IT FAST! will rate lifesaver immediately!!!!!
Course Textbook Chapter Problem
N/A N/A N/A N/A
Question Details:
Evaluate the limit. (If you need to use -infinity or infinity, enter -INFINITY or INFINITY.)
lim_(x->infinity) (x + x^2) / (5 - 3 x^2)
Bonus Point Alert! Earn +4 additional karma points for helping this annual member.

Answers:

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Sage
Karma Points: 5,369
Date Posted: 7/23/2008 9:34:49 PM  Status: Live
Asker's Rating: Lifesaver   
Response:
you will need to apply L'hospital's twice



again
oobakanuba's Comment:
Thanks

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Scholar
Karma Points: 220
Date Posted: 7/23/2008 9:35:19 PM  Status: Live
Asker's Rating: Helpful   
Response:
ok, so this is what you would do.

1) lim()

2) lim()

3) lim() = 

Hope this helps!
oobakanuba's Comment:
Thanks

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Oracle
Karma Points: 16,173
Date Posted: 7/23/2008 9:35:27 PM  Status: Live
Asker's Rating: Helpful   
Response:
oobakanuba's Comment:
Niloy was right...

Don't forget give me good rating  to show your respect for my time to help you!

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Guru
Karma Points: 3,134
Date Posted: 7/23/2008 9:37:45 PM  Status: Live
Asker's Rating: Helpful   
Response:

Using L'hopital's rule:










Hope that helps!
When I post a solution I assume you have some level of mathematical sophistication. (For instance, if you post a question about differential equations, I'll assume you know how to take derivatives; if you post an algebra question, I'll try to provide more detail.) If anything doesn't make sense, feel free to PM me for clarification. No amount of degrees can prevent mistakes; if you find one in my work, please let me know.

In the time it took you to read that, the universe expanded by 300 trillion cubic light years :)



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