The equation of pair of tangents to the circle ${x^2} + {y^2} - 2x + 4y + 3 = 0$ from $(6, - 5)$, is
The equation of pair of tangents to the circle ${x^2} + {y^2} - 2x + 4y + 3 = 0$ from $(6, - 5)$, is
- A
$7{x^2} + 23{y^2} + 30xy + 66x + 50y - 73 = 0$
- B
$7{x^2} + 23{y^2} + 30xy - 66x - 50y - 73 = 0$
- C
$7{x^2} + 23{y^2} - 30xy - 66x - 50y + 73 = 0$
- D
None of these
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