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`

Find the equation of the tangent to the circle x^2 + y^2-30x+6y+109=0 at (4, -1)

Equation of a common tangent to the circle x^(2)+y^(2)-6x=0 and the parabola y^(2)=4x is

The line x+3y=0 is a diameter of the circle x^2+y^2-6x+2y=0

Find the equation of the image of the circle x^(2)+y^(2)-6x-4y+12=0 by the line mirror x+y-1=0

A circle with center (a , b) passes through the origin. The equation of the tangent to the circle at the origin is (a) a x-b y=0 (b) a x+b y=0 b x-a y=0 (d) b x+a y=0

Find the equation of the tangents to the circle x^(2)+y^(2)-4x+6y-12=0 which are parallel to x+y-8=0

The equation of the diameter of the circle x^(2) + y^(2) - 6x + 2y = 0 which passes through origin is

Equation of the diameter of the circle x^2+y^2-2x+4y=0 which passes through the origin is a.x+2y=0 b.x-2y=0 c. 2x+y=0 d. 2x-y=0.

Find the equations to the common tangents of the circles x^2+y^2-2x-6y+9=0 and x^2+y^2+6x-2y+1=0

The equation of tangent to the circle x^2 + y^2 - 4x = 0 which is perpendicular to the normal drawn through the origin can be : (A) x=0 (B) x=4 (C) x+y=2 (D) none of these