Let `S-=x^2+y^2+2gx+2f y+c=` be a given circle. Find the locus of the foot of the perpendicular drawn from the origin upon any chord of S which subtends a right angle at the origin.

Let S-=x^(2)+y^(2)+2gx+2fy+c= be a given circle.Find the locus of the foot of the perpendicular drawn from the origin upon any chord of S which subtends a right angle at the origin.

Let S =x^2 + y^2 + 2gx + 2fy +c = 0 be a gives circle. Find the locus of the foot of the perpendicular drawn from the origin upon any chord, which subtends a right angle at the origin.

Let S-=x^(2)+y^(2)+2gx+2fy+c=0 be a given circle. Find the of the foot of perpendicular drawn from the origin upon any chord of S, which subtends a right angle at the origin.

The locus of the foot of the perpendicular drawn from the origin to any chord of the circle x^(2)+y^(2)+2gx+2fy+c=0 which substents a right angle at the origin is

The locus of the foot of the perpendicular drawn from the origin to any chord of the circle x^(2)+y^(2)+2gx+2fy+c=0 which substents a right angle at the origin is

The locus of the foot of the perpendicular, from the origin to chords of the circle x^(2)+y^(2)-4x-6y-3=0 which subtend a right angle at the origin,is:

Find the locus of the foot of the perpendicular drawn from the point (7,0) to any tangent of x^(2)+y^(2)-2x+4y=0

Find the locus of the mid-point of the chord of the hyperbola x^(2)/a^(2)-y^(2)/b^(2)=1 which subtends a right angle at the origin.