If a chord of the parabola y? = 4ax is a normal at one of its ends, show that its mid-point lies on the curve 2(x – 2a) : a y?, 8a3 y? %3D Prove that the shortest length of such a chord is 6a/3.

Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter6: Topics In Analytic Geometry
Section6.2: Introduction To Conics: parabolas
Problem 4ECP: Find an equation of the tangent line to the parabola y=3x2 at the point 1,3.
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If a chord of the parabola y? = 4ax is a normal at one of its ends, show that its mid-point
lies on the curve
2(x – 2a) :
a
y?, 8a3
y?
%3D
Prove that the shortest length of such a chord is 6a/3.
Transcribed Image Text:If a chord of the parabola y? = 4ax is a normal at one of its ends, show that its mid-point lies on the curve 2(x – 2a) : a y?, 8a3 y? %3D Prove that the shortest length of such a chord is 6a/3.
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