The locus of the point `(sqrt(3h),sqrt(3k+2))` if it lies on the line `x-y-1=0` is (a) straight line (b) a circle (c) a parabola (d) none of these

If Re((2z+1)/(iz+1))=1 , the the locus of the point representing z in the complex plane is a (A) straight line (B) circle (C) parabola (D) none of these

The locus of the point (sqrt(3h+2), sqrt(3k)) if (h, k) lies on x+y=1 is : (A) a circle (B) an ellipse (C) a parabola (D) a pair of straight lines

The locus of the point (sqrt(3h+2), sqrt(3k) if (h, k) lies on x+y=1 is : (A) a circle (B) an ellipse (C) a parabola (D) a pair of straight lines

The locus of the points of trisection of the double ordinates of the parabola y^2 = 4ax is : (A) a straight line (B) a circle (C) a parabola (D) none of these

The locus of the point at which two given unequal circles subtend equal angles is: (A) a straight line(B) a circle (C) a parabola (D) an ellipse

A given line L_1 cut x and y-axes at P and Q respectively and has intercepts a and b/2 on x and y-axes respectively. Let another line L_2 perpendicular to L_1 cut x and y-axes at R and S respectively. Let T be the point of intersection of PS and QR . A straight line passes through the centre of locus of T . Then locus of the foot of perpendicular to it from origin is : (A) a straight line (B) a circle (C) a parabola (D) none of these

If |z+barz|+|z-barz|=2 then z lies on (a) a straight line (b) a set of four lines (c) a circle (d) None of these

The graph of straight line y = sqrt(3)x + 2sqrt(3) is :

If a DeltaABC remains always similar to a given triangle and the point A is fixed and the point B always moves on a given straight line, then locus of C is (A) a circle (B) a straight line (C) a parabola (D) none of these

The locus of the centre of a circle which cuts a given circle orthogonally and also touches a given straight line is (a) circle (c) parabola (b) line (d) ellipse