Question: A point P needs to be located somewhere on the line AD so that the total length L of cables linking P to the points

A point P needs to be located somewhere on the line AD so that the total length L of cables linking P to the points A, B, and C is minimized (see the figure). Express L as a function of x = | AP | and use the graphs of L and dL/dx to estimate the minimum value.

P. 3m n. 2 m B.

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Note that AD APPD for APDB and APDC gives us 1 Lx 1 Lx ... View full answer

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