[" If "quad X" -axis is tangent to the circle "],[x^(2)+y^(2)+2gx+2fy+k=0," then which one of "],[" the following is correct? "]

If x-axis is tangent to the circle x^(2) +y^(2) +2gx + fy + k = 0 . Then which one of the following is correct ?

If the circle x^(2) + y^(2) + 2gx + 2fy + x = 0(c gt 0) touches the y-axis then which one of the following is correct ?

If the origin lies inside the circle x^(2) + y^(2) + 2gx + 2fy + c = 0 , then

If the circle x ^(2) + y^(2) + 2gx + 2fy+ c=0 touches X-axis, then

If the circle x ^(2) + y^(2) + 2gx + 2fy+ c=0 touches X-axis, then

circle ax^(2)+ay^(2)+2gx+2fy+c=0 touches X -axis,if

If O is the origin and OP, OQ are distinct tangents to the circle x^(2)+y^(2)+2gx+2fy+c=0 then the circumcentre of the triangle OPQ is

If O is the origin and OP, OQ are distinct tangents to the circle x^(2)+y^(2)+2gx+2fy+c=0 then the circumcentre of the triangle OPQ is

Let x^(2)+y^(2)+2gx+2fy+c=0 be an equation of circle. Match the following lists :