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The angle of elevation of a top of a tow...

The angle of elevation of a top of a tower from a point A due south of it `tan^(-1)` (6) and that from B due to west of it is `tan^(-1)` (7.5). If h is the height of the tower `AB=lambda h " then " lambda^(2)`=

A

`21/700`

B

`42/1300`

C

`41/900`

D

`52/1100`

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The correct Answer is:
A
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