Let AP and BQ be two vertical poles at p...

Let AP and BQ be two vertical poles at points A and B respectively. If AP=16 m , BQ=22 `m and A B = 20 m , then find the distanace of a point `R on AB from the point A such that `RP^2+RQ^2 `is minimum.

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MODERN PUBLICATION-APPLICATION OF DERIVATIVES-EXERCISE

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