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bushindo2

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bushindo2 last won the day on May 8 2012

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  1. The geometrical proof for the property you mentioned can be derived from two equations for a circle and one equation for the shortest distance to a line. The solution for x0 can be simplified to the quadratic equation in post #4. I suppose it is relatively straightforward to plug x0 = 2r into that quadratic equation and show that 2r is always a solution. So, do I get the coveted bonanova gold star?
  2. This is a well constructed (and well phrased) problem. Thanks bonanova for sharing. It's great to have Brainden back.
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