APFIVE Second Derivative of Parametric Equations
If $$\displaystyle\frac{dx}{dt} = 4$$ and $$\displaystyle\frac{dy}{dt} = \ln(t)$$, then $$\displaystyle\frac{d^2y}{dx^2}$$ is
A
$$\displaystyle\frac{1}{t}$$
B
$$\displaystyle\frac{1}{16t}$$
C
$$\displaystyle\frac{-1}{16t^2}$$
D
$$\displaystyle\frac{1}{4t}$$
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