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If Psa, a2 d is any point on the parabola y x 2 , except

Calculus | 8th Edition | ISBN: 9781285740621 | Authors: James Stewart ISBN: 9781285740621 127

Solution for problem 11 Chapter 4

Calculus | 8th Edition

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Calculus | 8th Edition | ISBN: 9781285740621 | Authors: James Stewart

Calculus | 8th Edition

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Problem 11

If Psa, a2 d is any point on the parabola y x 2 , except for the origin, let Q be the point where the normal line at P intersects the parabola again (see the figure). (a) Show that the y-coordinate of Q is smallest when a 1ys2 . (b) Show that the line segment PQ has the shortest possible length when a 1ys2 .

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Chapter 4, Problem 11 is Solved
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Textbook: Calculus
Edition: 8
Author: James Stewart
ISBN: 9781285740621

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If Psa, a2 d is any point on the parabola y x 2 , except

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