The locus of the mid points of the chords of the circle `x^2+y^2+4x-6y-12=0` which subtend an angle of `pi/3`radians at its circumference is:
(A) `(x-2)^2+(y+3)^2=6.25` (B) `(x+2)^2+(y-3)^2=6.25`
(C) `(x+2)^2+(y-3)^2=18.75` (D) `(x+2)^2+(y+3)^2=18.75`

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

The locus of the mid points of the chords of the circle x^(2)+y^(2)+4x-6y-12=0 which subtend an angle of (pi)/(3) radians at its circumference is: (A) (x-2)^(2)+(y+3)^(2)=6.25(B)(x+2)^(2)+(y-3)^(2)=6.75(D)(C)(x+2)^(2)+(y-3)^(2)=18.75(D)(x+2)^(2)+(y+3)^(2)=18.75

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The locus of the mid-point of the chords of the circle x^(2)+y^(2)-4x-6y-3=0 which subtend a right angle at the point(h,k),is

The locus of the mid points of a chord the circle x^(2)+y^(2)=18 which subtends right angle at the origin is

The locus of the mid - points of the chords of the hyperbola 3x^(2)-2y^(2)+4x-6y=0 which are parallel to the line y=2x+4 is

The locus of the midpoints of chords of the hyperbola 3x^(2)-2y^(2)+4x-6=0 which are parallel to y= 2x is