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If x=3 is the chord of contact of the c...

If `x=3` is the chord of contact of the circle `x^(2)+y^(2)=81`, then the equation of the corresponding pair of tangents, is :

A

`x^(2) + 8y^(2) + 54 x + 729=0`

B

`x^(2) - 8y^(2) - 54x + 729 =0`

C

`x^(2) - 8y^(2) - 54x - 729=0`

D

`x^(2) - 8y^(2) =729`

Text Solution

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The correct Answer is:
B
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