If `OA` and `OB` be the tangents to the circle `x^2 + y^2-6x-8y + 21 = 0` drawn from the origin `O`, then `AB`

If OA and OB are the tangents from te origin to the circle x^2+y^2 +2gx+2fy+c=0 and C is the centre of the circle, the area of the quadrilateral OACB is

The distance of the centre of the circle x^(2) + y^(2)+ 6x + 8y - 11 = 0 from origin is ________

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

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

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

Find the equations of the tangents to the circle x^(2)+y^(2)+2x+8y-23=0, which are drawn from the point (8,-3)

The equations of tangents to the circle x^2+y^2-6x-6y+9=0 drawn from the origin in (a). x=0 (b) x=y (c) y=0 (d) x+y=0

The equations of tangents to the circle x^(2)+y^(2)-6x-6y+9=0 drawn from the origin in x=0( b) x=y( c) y=0 (d) x+y=0

The equations of tangents to the circle x^2+y^2-6x-6y+9=0 drawn from the origin in (a) x=0 (b) x=y (c) y=0 (d) x+y=0

The equations of tangents to the circle x^2+y^2-6x-6y+9=0 drawn from the origin in (a). x=0 (b) x=y (c) y=0 (d) x+y=0