" 2.The line "y=x" is a tangent at "(0,0)" to a circle of radius is "1," then centre of the circle is "

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 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 y=x is tangent at (0, 0) to a circle of radius 1. The centre of circle may be: (a) (1/(sqrt(2)),-1/(sqrt(2))) (b) (-1/2,1/2) (c) (1/2,-1/2) (d) (-1/(sqrt(2)),1/(sqrt(2)))

The line y=x is tangent at (0, 0) to a circle of radius 1. The centre of circle may be: (a) (1/(sqrt(2)),-1/(sqrt(2))) (b) (-1/2,1/2) (c) (1/2,-1/2) (d) (-1/(sqrt(2)),1/(sqrt(2)))

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