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A Normal and a Parabola (Posted on 2009-12-02) Difficulty: 3 of 5
Choose any point (k,k^2) with k>0 on the parabola y=x^2. Draw the normal line to the parabola at that point. Then there is a closed region defined by the parabola and the line. Find the value of k so the area of the region is minimized.

Note: A normal line is a line perpendicular to a tangent at the point of tangency.

See The Solution Submitted by Brian Smith    
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Comments: ( Back to comment list | You must be logged in to post comments.)
The required value of k is... Comment 5 of 5 |
1/2
Area is 4/3

Edited on February 21, 2024, 5:34 am
  Posted by K Sengupta on 2023-08-01 23:05:49

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