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Tangent Length from Vertex
For point $$P(at^2,2at)$$:
$$TP=a(1+t^2)$$
where $$t$$ is the point of contact and $$p$$ is the corresponding point on the parabola.
Usage
- Used for focal and tangent-distance relations involving a parametric point.
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Tangent Length from Vertex
For point $$P(at^2,2at)$$:
$$TP=a(1+t^2)$$
where $$t$$ is the point of contact and $$p$$ is the corresponding point on the parabola.
Usage
- Used for focal and tangent-distance relations involving a parametric point.
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