2. Find the equations of all horizontal parabolas whose focus is the center of the ellipse 9a? +17y² – 170y+272 = 0 and whose directrix is tangent to the same ellinse

Calculus: Early Transcendentals
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Author:James Stewart
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Chapter1: Functions And Models
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Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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12. Find the equations of all horizontal parabolas whose focus is the center of the
ellipse 9a² +17y² – 170y +272 = 0 and whose directrix is tangent to the same
ellipse.
Transcribed Image Text:12. Find the equations of all horizontal parabolas whose focus is the center of the ellipse 9a² +17y² – 170y +272 = 0 and whose directrix is tangent to the same ellipse.
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