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If OA and OB are the tangent from the or...

If OA and OB are the tangent from the origin to the circle `x^(2)+y^(2)+2gx+2fy+c=0 and C` is the centre of the circle then the area of the quadrilateral OCAB is

A

`sqrt(g^(2)+f^(2)-c)`

B

`sqrt(c(g^(2)+f^(2)-c))`

C

`(sqrt(g^(2)+f^(2)-c))/c`

D

`(sqrt(g^(2)+f^(2)-c))/2`

Text Solution

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The correct Answer is:
B
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