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Calculus question
Am I right in thinking that given a function of 2 variables say T=F(x,t) that if I wish to find the points such that T=F(x,t)=f(x) i.e. the solutions are independent of the variable, t, I set dT/dt = 0 and fiddle around with the expression (subbing into the original etc.)?
asked in maths, calculus, Partial Differentiation

cyracles answers:

its not always right in all contexts

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