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O is the origin and OA, OB are a pair of...

O is the origin and OA, OB are a pair of tangents to the `x^(2)+y^(2)+2gx+2fy+c=0, c gt 0`, then the equation to the circum circle of `triangleOAB" is"`

A

`x^(2)+y^(2)-gx-fy=0`

B

`x^(2)+y^(2)+gx+fy=0`

C

`x^(2)+y^(2)-gx=0`

D

`x^(2)+y^(2)+fy=0`

Text Solution

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The correct Answer is:
B
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