Find the equation of the pair of tangent...

Find the equation of the pair of tangents drawn to the circle `x^2 + y^2-2x + 4y + 3 = 0` from `(6,-5).`

A

`7x^(2) +23y^(2) + 30xy+ 66x+ 50y- 73= 0`

B

`7x^(2) + 23y^(2) + 30xy- 66x- 50y- 73=0`

C

`7x^(2) + 23y^(2) - 30xy- 66x- 50y+ 73=0`

D

None of these

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The correct Answer is:

A

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