If `z=3/(2+costheta+"isin"theta)` then locus of `z` is straight line a circle having center on the y-axis a parabola a circle having center on the x-axis

the family of circles having their centres on the line y=10 and touching the X-axis.

If the length of the normal for each point on a curve is equal to the radius vector,then the curve (a) is a circle passing through origin (b) is a circle having centre at origin and radius 0 (c) is a circle having centre on x-axis and touching y-axis (iv) is a circle having centre on y-axis and touching x-axis

The locus of centre of circle of radius 2 units, if intercept cut on x-axis by circle is twice of intercept on y-axis is

If |z|=5, then the locus of -1 + 2z is (A) a circle having center (2,0) (B) a circle having center (-1,0) (C) a circle having radius 5 (D) a circle having radius 9

Form a differential equation of family of all circles having center on the x - axis and radius 2 units.

Find the equation of the circle having center at (2,3) and which touches x+y=1

Find the locus of center of circle of radius 2 units,if intercept cut on the x-axis is twice of intercept cut on the y-axis by the circle.

The locus of the center of a circle which cuts orthogonally the parabola y^(2)=4x at (1,2) is a curve

Find the equation of a straight line perpendicular to the line x-2y+3=0 and having intercept 3 on x-axis.

If |z|lt1, then 1+2z lies (A) on or inside circle having center at origin and radius 2 (B) outside the circle having center at origin and radius 2 (C) inside the circle having center at (1,0) and radius 2 (D) outside the circle having center at (1,0) and radius 2.