Two tangents OP & OQ are drawn from origin to the circle `x^(2)+y^(2)-x+2y+1=0` then the circumcentre of `Delta OPQ` is

If tangents are drawn from origin to the circle x^(2)+y^(2)-2x-4y+4=0, then

If O is the origin and OP and OQ are the tangents from the origin to the circle x^(2)+y^(2)-6x+4y+8-0, then the circumcenter of triangle OPQ is (3,-2) (b) ((3)/(2),-1)((3)/(4),-(1)/(2))( d) (-(3)/(2),1)

Tangents OP and OQ are drawn from the origin O to the circle x^(2) +y^(2) + 2gx + 2fy +c =0 . Then the equation of the circumcircle of the triangle OPQ is :

If O is the origin and OP, OQ are distinct tangents to the circle x^(2)+y^(2)+2gx+2fy+c=0 then the circumcentre of the triangle OPQ is

If two perpendicular tangents can be drawn from the origin to the circle x^(2)-6x+y^(2)-2py+17=0, then the value of |p| is

Tangents OP and OQ are drawn from the origin o to the circle x^(2)+y^(2)+2gx+2fy+c=0. Find the equation of the circumcircle of the triangle OPQ.

The pair of tangents from origin to the circle x^(2)+y^(2)+4x+2y+3=0 is

Two tangents OA and OB are drawn to the circle x^(2)+y^(2)+4x+6y+12=0 from origin O. The circumradius of DeltaOAB is :

STATEMENT -1 : if O is the origin and OP and OQ are tangents to the circle x^(2) + y^(2) + 2x + 4y + 1 = 0 the circumcentre of the triangle is ((-1)/(2), -1) . and STATEMENT-2 : OP.OQ = PQ^(2) .

Tangents drawn from the origin to the circle x^(2)+y^(2)-2ax-2by+a^(2)=0 are perpendicular if