The line `y=x` is a tangent at `(0,0)` to a circle of radius unity. The center of the circle is

The line y=x is a tangtnt at (0,0) to a circle of radius unity. The centre of the circle is

If the line x+3y=0 is tangent at (0,0) to the circle of radius 1, then the centre of one such circle is

If the line x+3y=0 is tangent at (0,0) to the circle of radius 1, then the centre of one such circle is

If the line x+3y=0 is the tangent at (0,0) to the circle of radius 1, then the centre of one sum circle is

The line 2x-y+1=0 is tangent to the circle at the point (2,5) and the center of the circle lies on x-2y=4. Then find the radius of the circle.

The line 2x-y+1=0 is tangent to the circle at the point (2, 5) and the center of the circle lies on x-2y=4. The radius of the circle is

The line 2x-y+1=0 is tangent to the circle at the point (2, 5) and the center of the circle lies on x-2y=4 . Then find the radius of the circle.

The line 2x-y+1=0 is tangent to the circle at the point (2, 5) and the center of the circle lies on x-2y=4 . Then find the radius of the circle.

The line 2x-y+1=0 is tangent to the circle at the point (2, 5) and the center of the circle lies on x-2y=4 . Then find the radius of the circle.