A variable chord is drawn through the origin to the circle `x^2+y^2-2a x=0` . Find the locus of the center of the circle drawn on this chord as diameter.

A variable chord is drawn through the origin to the circle x^(2)+y^(2)-2ax=0. Find the locus of the center of the circle drawn on this chord as diameter.

A variable chord of the circle x^2 + y^2 - 2 ax = 0 is drawn through the origin. Then the locus of the centre of the circle drawn on this chord as diameter is:

A line through (0,0) cuts the circel x ^(2) +y^(2) -2ax =0 at A and B , then the locus of the centre of the circle drawn on AB as diameter is-

If y=2x is the chord of the circle x^(2)+y^(2)-4x=0, find the equation of the circle with this chord as diameter.

If y = 2x is a chord of a circle x^2+ y^2-10x = 0 , find the equation of the circle with this chord as diameter.

If y=2x is a chord of the circle x^2+y^2-10 x=0 , find the equation of a circle with this chord as diameter.

If y=2x is a chord of the circle x^(2)+y^(2)-10x=0, find the equation of a circle with this chord as diameter.

Solve the following:If y=5x is a chord of the circle x^2+y^2+20x=0 then find the equation of a circle with this chord as diameter.

From the origin chords are drawn to the circle x^(2)+y^(2)-2y=0 . The locus of the middle points of these chords is