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Equation of Normal Using Point of Contact
For $$(x_1,y_1)$$ on:
$$y^2=4ax$$
the normal is:
$$y-y_1=-\frac{y_1}{2a}(x-x_1)$$
Usage
- Used when the Cartesian coordinates of the point of contact are known.
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Equation of Normal Using Point of Contact
For $$(x_1,y_1)$$ on:
$$y^2=4ax$$
the normal is:
$$y-y_1=-\frac{y_1}{2a}(x-x_1)$$
Usage
- Used when the Cartesian coordinates of the point of contact are known.
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