CircleHard
Question
If the equation of one tangent to the circle with centre at (2, −1) from the origin is 3x + y = 0, then the equation of the other tangent through the origin is-
Options
A.x + 2y = 5
B.3x − y = 0
C.x − 3y = 0
D.x + 2y = 0
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