Tangent at a Point $$(x_1,y_1)$$
For:
$$y^2=4ax$$
the tangent at $$(x_1,y_1)$$ is:
$$yy_1=2a(x+x_1)$$
Usage
- Used when the coordinates of the point of contact are given.
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CAT Formulas
Parabola
Tangent at a Point $$(x_1,y_1)$$
Tangent at a Point $$(x_1,y_1)$$
For:
$$y^2=4ax$$
the tangent at $$(x_1,y_1)$$ is:
$$yy_1=2a(x+x_1)$$
Usage
- Used when the coordinates of the point of contact are given.
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