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math help? - Page 2

Blogs > Oxygen
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Oxygen
Profile Blog Joined November 2003
Canada3581 Posts
May 22 2010 00:09 GMT
#21
so I assume a full solution would be fairly long and messy? I'm still boggling my way through the algebra, trying to use Maple but not having much success
Dont drink and derive. TSL: Made with Balls.
Nytefish
Profile Blog Joined December 2007
United Kingdom4282 Posts
Last Edited: 2010-05-22 00:24:31
May 22 2010 00:23 GMT
#22
It's not that bad as long as you don't substitute stuff in until the very last possible moment. And by the time you are substituting stuff you only need to look at the numerators - make sure all your stuff is over (x^2+y^2)^2.

When cancelling the mixed partials, make sure you take all of them from both d^2G/dx^2 and d^2G/dy^2 and write your expressions like dv/dy=-du/dx
No I'm never serious.
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