simple question about direct integration


by Tuneman
Tags: integration, simple
Tuneman
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#1
Jun18-06, 06:37 PM
P: 42
if I have a equation like this








I know I can integrate so that







but this does not make sense to me because I could think of many U's that if you were to take the derivitive with respect to the squiggly varibale, still includes both variables
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Hurkyl
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#2
Jun18-06, 06:52 PM
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If the derivative with respect to xi includes both variables, then how does it look when you differentiate with respect to both xi and to eta?
Tuneman
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#3
Jun18-06, 07:00 PM
P: 42


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