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Let a vertical tower AB have its end A o...

Let a vertical tower AB have its end A on the level ground. Let C be the mid-point of AB and P be a point on the ground such that AP = 2AB. If `sqrt(BPC = beta`, then tan `beta` is equal to

A

`4/9`

B

`6/7`

C

`1/4`

D

`2/9`

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The correct Answer is:
D
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