The equation of radical axis of the circles ${x^2} + {y^2} + x - y + 2 = 0$ and $3{x^2} + 3{y^2} - 4x - 12 = 0,$ is
The equation of radical axis of the circles ${x^2} + {y^2} + x - y + 2 = 0$ and $3{x^2} + 3{y^2} - 4x - 12 = 0,$ is
- A
$2{x^2} + 2{y^2} - 5x + y - 14 = 0$
- B
$7x - 3y + 18 = 0$
- C
$5x - y + 14 = 0$
- D
None of these
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