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Thanks.

- Thread starter pixel01
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- #1

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Thanks.

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HallsofIvy

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Here's how I attempt to find the equation. The perpendicular from a point, (a, b) to the curve (x, f(x)) gives the (locally) shortest distance to the curve. The distance (squared) from (a, b) to (x, f(x)) is (x-a)

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mathman

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