Evaluating derivatives

samedi 1 mars 2014

1. The problem statement, all variables and given/known data



So I'm trying to find dy/dt. I used the chain rule to find dx/dt. I just don't understand how to put that answer back into an equation to find dy/dt



2. Relevant equations



4x^3-6xy^2+3y^2=228



3. The attempt at a solution

I found dx/dt=3 x=-3 and y=4

So how/what equation do I use to find dy/dt





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