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cepheid
#3
Apr22-05, 03:39 AM
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P: 5,196
I read that as:

Form the differential equation for the following equation:

[tex] \frac{x^2}{a^2} + \frac{y^2}{b^2} + \frac{z^2}{c^2} = 1 [/tex]

I don't get it...how do you get a PDE out of that?