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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 `A P = 16 m , B Q = 22 m a n d A B = 20 m`, then find the distance of a point R on AB from the point A such that `R P^2+R Q^2`is minimum.

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NCERT GUJARATI-APPLICATION OF DERIVATIVES-EXERCISE 6.6
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