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Old 02-23-2006, 09:02 AM   #2 (permalink)
Stompy
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Location: Donkey
Ahhh, I spent SO much time on it. Figured it out (I think, anyway).

Set the 2/((1+1/x<sup>2</sup>)<sup>3/2</sup>x<sup>3</sup>) - 3/((1+1/x<sup>2</sup>)<sup>5/2</sup>x<sup>5</sup>) = 0

x = sqrt(1/2)

Point at max curvature would be [ sqrt(1/2) , ln(sqrt(1/2)) ]
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