A circle touches a straight line `lx+my+n=0` and cuts the circle `x^2+y^2=9` orthogonally, The locus of centres of such circles is

If a circle Passes through a point (1,0) and cut the circle x^2+y^2 = 4 orthogonally,Then the locus of its centre is

A circle passes through the point (3, 4) and cuts the circle x^2+y^2=c^2 orthogonally, the locus of its centre is a straight line. If the distance of this straight line from the origin is 25. then a^2=

If a circle Passes through a point (a,b) and cut the circle x^2+y^2 = 4 orthogonally,Then the locus of its centre is

If a circle Passes through a point (1,2) and cut the circle x^2+y^2 = 4 orthogonally,Then the locus of its centre is

If a circle Passes through a point (1,2) and cut the circle x^2+y^2 = 4 orthogonally,Then the locus of its centre is

If a circle passes through the point (a,b) and cuts the circle x^(2)+y^(2)=4 orthogonally,then the locus of its centre is

If a circle passes through the point (a,b) and cuts the circle x^2+y^2=k^2 orthogonally then the locus of its centre is

If a circle Passes through a point (1,2) and cut the circle x^(2)+y^(2)=4 orthogonally,Then the locus of its centre is