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Given the circles x^2+y^2-4x-5=0 and x^2...

Given the circles `x^2+y^2-4x-5=0` and `x^2+y^2+6x-2y+6=0`. Let P be a point `(alpha,beta)` such that the tangents from point P to both the circles are equal, then

A

`2alpha+10beta+11=0`

B

`2alpha-10beta+11=0`

C

`10alpha-2beta+11=0`

D

`10alpha+2beta+11=0`

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