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

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

A

`x^(2)-8y^(2)+54x+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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