Find the equation to a circle of radius r which touches the axis of y at a point distant h from the origin, te centre of the circle being in the positive quadrant. Prove also that the equation to the other tangent which passes through the origin, is, (r2-h2)x+2rhy=0.
Find the equation to a circle of radius r which touches the axis of y at a point distant h from the origin, te centre of the circle being in the positive quadrant. Prove also that the equation to the other tangent which passes through the origin, is, (r2-h2)x+2rhy=0.











