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(Derivatives on parabola) Suppose that...

(Derivatives on parabola) Suppose that x = t and y = t^2 give the parametric form for a point (x, y) on a parabola P, and for a suitably differentiable function f(x, y) let F(t) = f(t, t^2). Then what is the second derivative of F(t) with respect to t?

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