Chord AB of the circle x^(2) + y^(2) = ...

Chord AB of the circle ` x^(2) + y^(2) = 100` passes through the point (7,1) and subtends an angle of `60^(@)` at the circumference of the circle. If `m_(1) and m_(2)` are the slops of two such chords then the value of ` m_(1) m_(2)` is

A

`-1`

B

1

C

`7//12`

D

`-3`

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The correct Answer is:

A

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