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Concept explainers
Focal chords A focal chord of a
91. Let L be the latus rectum of the parabola y2 = 4px, for p > 0. Let F be the focus of the parabola, P be any point on the parabola to the left of L, and D be the (shortest) distance between P and L. Show that for all P, D + |FP| is a constant. Find the constant.
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Chapter 10 Solutions
Student Solutions Manual, Single Variable for Calculus: Early Transcendentals
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