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January 30th, 2012, 03:59 AM   #11
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Originally Posted by skipjack
Originally Posted by Taurai Mabhena
am I to assume that skipjack's FULL answer . . .

But why would the last term be left out i.e why

and NOT

I would have thought that adding the last term allows for x to explicitly vary with time t.
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January 30th, 2012, 02:55 PM   #12
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I originally gave "x is a function of y and z". Perhaps I should have given "x is a function of y and z only" so as to make it clearer that x is not explicitly a function of t as well as y and z.
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