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O, A, B are vertices of triangle whose s...

O, A, B are vertices of triangle whose sides are given by `(5x+12y)^(2)-3(12x-5y)^(2)=0, 5x+12y-78=0` then AB =

A

`sqrt(3)`

B

`2sqrt(3)`

C

`3sqrt(3)`

D

`4sqrt(3)`

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The correct Answer is:
D
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