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Focal Distance of a Parametric Point
For:
$$P(at^2,2at)$$
the distance from $$p$$ to the focus $$(a,0)$$ is:
$$SP=a(1+t^2)$$
Usage
- Used in focal-distance and tangent-normal problems.
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Focal Distance of a Parametric Point
For:
$$P(at^2,2at)$$
the distance from $$p$$ to the focus $$(a,0)$$ is:
$$SP=a(1+t^2)$$
Usage
- Used in focal-distance and tangent-normal problems.
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