The equation of the locus of the mid-points of chords of the circle `4x^(2) + 4y^(2) -12x + 4y + 1 = 0` that substend an angle `(2pi)/(3)` at its centre, is

The equation of the locus of the mid-points of chords of the circle 4x^2 + 4y^2-12x + 4y +1= 0 that subtends an angle of (2pi)/3 at its centre is x^2 + y^2-kx + y +31/16=0 then k is

The equation of the locus of the mid-points of chords of the circle 4x^2 + 4y^2-12x + 4y +1= 0 that subtends an angle of (2pi)/3 at its centre is x^2 + y^2-kx + y +31/16=0 then k is

Show that the equation of the locus of the mid points of the chords of the circle 4x^(2)+4y^(2)-12x+4y+1=0 that subtend an angle of (2pi)/3 at its centre is x^(2)+y^(2)-3x+y+31/16=0

The equation of the locus of the mid-points of chords of the circle 4x^2 + 4y^2-12x + 4y +1= 0 that subtends an angle of at its centre is (2pi)/3 at its centre is x^2 + y^2-kx + y +31/16=0 then k is

The equation of the locus of the mid-points of chords of the circle 4x^(2)+4y^(2)-12x+4y+1=0 that subtends an angle of at its centre is (2 pi)/(3) at its centre is x^(2)+y^(2)-kx+y+(31)/(16)=0 then k is

The equation of the locus of the mid-points of chords of the circle 4x^(2)+4y^(2)-12x+4y+1=0 that subtends an angle of at its centre is 2(pi)/(3) at its centre is x^(2)+y^(2)-kx+y+(31)/(16)=0 then k is

The locus of the mid points of the chords of the circle x^(2)+y^(2)+4x-6y-12=0 which subtends an angle of (pi)/(3) radians at its centre is