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The angles of elevation of the tops of t...

The angles of elevation of the tops of two pillars of heights h and 2h from a point P on the line joining the feet of the two pillars are complementary. If the distances of the foot of the pillars from the point P are x and y respectively, then which one of the following is correct?

A

`2h^2 = x^2y`

B

`2h^2 = xy^2`

C

`2h^2 = xy`

D

`2h^2 = x^2y^2`

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