Eccentricity of parabola.
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Conceptualizing Eccentricity
From the definition of a parabola, the distance from any point on the parabola to the focus is equal to the distance from that same point to the directrix. Therefore, by definition, the eccentricity of a parabola must be 1 . For an ellipse, the eccentricity is less than 1 .
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The distance from any point on the parabola to the focus is equal to the distance from that same point to the direction
Therefore, by definition, the eccentricity of a parabola must be 1 . For an ellipse, the eccentricity is less than 1 .
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