Normal at a Point $$(x_1,y_1)$$
For:
$$y^2=4ax$$
the normal at $$(x_1,y_1)$$ is:
$$y-y_1=-\frac{y_1}{2a}(x-x_1)$$
Usage
- Used when the point of contact on the parabola is known.
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CAT Formulas
Parabola
Normal at a Point $$(x_1,y_1)$$
Normal at a Point $$(x_1,y_1)$$
For:
$$y^2=4ax$$
the normal at $$(x_1,y_1)$$ is:
$$y-y_1=-\frac{y_1}{2a}(x-x_1)$$
Usage
- Used when the point of contact on the parabola is known.
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