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Old Aug 23rd 2014, 05:20 AM   #1
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Geomertical optics- derivation of graph of (u+v) against u

may i know how to derive the the sha[pe of graph and get the point of min (2f , 4f) ? i really have no idea how to get the shape of the graph and the min point.
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Old Sep 23rd 2014, 12:28 PM   #2
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Originally Posted by ling233 View Post
may i know how to derive the the sha[pe of graph and get the point of min (2f , 4f) ? i really have no idea how to get the shape of the graph and the min point.
Ling,

Can you please scan a larger area of the question?
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Last edited by orsanyuksek; Sep 25th 2014 at 12:29 AM.
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Old Sep 23rd 2014, 06:01 PM   #3
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Upright would be nice as well.

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