Parametric Differentiation

Rarely Tested

Parametric Differentiation

If:

$$x=f(t),\quad y=g(t)$$

then:

$$\frac{dy}{dx}=\frac{dy/dt}{dx/dt}$$

provided:

$$\frac{dx}{dt}\neq0$$

Usage

- Used when both $$x$$ and $$y$$ are expressed in terms of a parameter.

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