The equations of the tangents drawn from the point $(0, 1)$ to the circle ${x^2} + {y^2} - 2x + 4y = 0$ are
The equations of the tangents drawn from the point $(0, 1)$ to the circle ${x^2} + {y^2} - 2x + 4y = 0$ are
- A
$2x - y + 1 = 0,\,\,x + 2y - 2 = 0$
- B
$2x - y + 1 = 0,\,\,x + 2y + 2 = 0$
- C
$2x - y - 1 = 0,\,\,x + 2y - 2 = 0$
- D
$2x - y - 1 = 0,\,\,x + 2y + 2 = 0$
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