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If 3x+y=0 is a tangent to a circle whose...

If `3x+y=0` is a tangent to a circle whose center is `(2,-1)` , then find the equation of the other tangent to the circle from the origin.

A

`3x- y=0`

B

`x + 3y =0`

C

`x - 3y =0`

D

`x + 2y =0`

Text Solution

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The correct Answer is:
C
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