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math 1m03 Assignment

03-26-2013 at 02:36 PM	#1
jennyh Account Disabled by User Join Date: Jan 2013 Posts: 37 Thanked: 0 Times Liked: 2 Times	math 1m03 Assignment Find the second partials (including the mixed partials) f(u,v)= ln(u^2+v^2) i cant get this! any help?!

03-26-2013 at 02:39 PM	#2
ZSimon Elite Member Join Date: May 2011 Posts: 469 Thanked: 36 Times Liked: 311 Times	you treat one like a constant, derive, then you derive what you treated like a constant in the previous step and vice versa

03-26-2013 at 03:03 PM	#3
jennyh Account Disabled by User Join Date: Jan 2013 Posts: 37 Thanked: 0 Times Liked: 2 Times	i did first with quotient rule and then chain rule and its still wrong ; /

03-26-2013 at 03:08 PM	#4
ZSimon Elite Member Join Date: May 2011 Posts: 469 Thanked: 36 Times Liked: 311 Times	reserved post

03-26-2013 at 03:19 PM	#5
Atheist? Senior Member Join Date: Apr 2012 Posts: 172 Thanked: 19 Times Liked: 31 Times	http://www.wolframalpha.com/

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