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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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  Subject Author Date
re(2): solution error foundDaniel2009-12-02 22:08:16
Hints/Tipsre: solution error foundAdy TZIDON2009-12-02 14:43:34
re: solutionCharlie2009-12-02 12:43:05
solutionDaniel2009-12-02 12:13:35
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