Question

show that the vertex is the closest point on parabola to the focus​

Answer 1

Answer:

First is the statement, that The vertex is the point on a parabola closest to the directrix. Since the eccentricity of a parabola is 1, the distance from any other point on the parabola to the directrix and focus is greater than the distance from the vertex to the focus.

Step-by-step explanation:

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