Notices
The Basement Non-Honda/Acura discussion. Content should be tasteful and "primetime" safe.

Math.....again...

Thread Tools
 
Old Mar 25, 2009 | 01:51 PM
  #1  
F22B Prelude's Avatar
F22B Prelude
Thread Starter
Rachel Bilson
 
Joined: Oct 2005
Posts: 11,230
Likes: 0
From: South Bend/Walkerton, Ind
Default Math.....again...

Need help finding the derivative of

y = 2ln(x+3)/x^2
Reply
Old Mar 25, 2009 | 01:53 PM
  #2  
flipped cracka's Avatar
flipped cracka
BOOM goes the dynamite!
 
Joined: Mar 2003
Posts: 27,571
Likes: 1
From: in a van down by the rive
Default

http://www.numberempire.com/derivatives.php
Reply
Old Mar 25, 2009 | 01:54 PM
  #3  
Chefboiali's Avatar
Chefboiali
scrotal surge
 
Joined: Oct 2005
Posts: 15,460
Likes: 0
From: Cali
Default

:barf:

Reply
Old Mar 25, 2009 | 01:57 PM
  #4  
F22B Prelude's Avatar
F22B Prelude
Thread Starter
Rachel Bilson
 
Joined: Oct 2005
Posts: 11,230
Likes: 0
From: South Bend/Walkerton, Ind
Default

That calculator doesn't help any
Reply
Old Mar 25, 2009 | 02:00 PM
  #5  
cpvdh's Avatar
cpvdh
Member
 
Joined: Feb 2006
Posts: 1,869
Likes: 0
From: OR
Default

need more ()
whats inside the ln ?
Reply
Old Mar 25, 2009 | 02:04 PM
  #6  
Grifter's Avatar
Grifter
Senior Member
 
Joined: Dec 2000
Posts: 44,835
Likes: 0
From: the southwest
Default

you should just drop out of school
Reply
Old Mar 25, 2009 | 02:05 PM
  #7  
Pete's Avatar
Pete
Civilian
 
Joined: Jun 2003
Posts: 8,407
Likes: 1
From: Miami Beach. FL
Default

I am guessing it is

2
-----
x³+3

but I am just guessing
Reply
Old Mar 25, 2009 | 02:07 PM
  #8  
Red X's Avatar
Red X
x pǝɹ
 
Joined: Feb 2003
Posts: 6,246
Likes: 1
From: Upstate
Default

come on, use the solutions posted way back.


There might be a simpler method, but I see two equations:

f(x), g(x)

f(x)g'(x)+g(x)f'(x)
Reply
Old Mar 25, 2009 | 02:08 PM
  #9  
F22B Prelude's Avatar
F22B Prelude
Thread Starter
Rachel Bilson
 
Joined: Oct 2005
Posts: 11,230
Likes: 0
From: South Bend/Walkerton, Ind
Default

(2) ln(x+3)
_________
x^2
Reply
Old Mar 25, 2009 | 02:09 PM
  #10  
Pete's Avatar
Pete
Civilian
 
Joined: Jun 2003
Posts: 8,407
Likes: 1
From: Miami Beach. FL
Default

Originally Posted by Red X
come on, use the solutions posted way back.


There might be a simpler method, but I see two equations:

f(x), g(x)

f(x)g'(x)+g(x)f'(x)
Wouldn't you the quotient rule in this case though, since it is a fraction?
Reply



All times are GMT -8. The time now is 10:14 PM.