The locus of point of intersection of perpendicular straight lines which are at constant distant from origin is

The locus of point of intersection of perpendicular straight lines which are at constant distance p from origin is

The locus of the point of intersection of perpendicular tangents to the ellipse is called

The locus of the point of intersection of a pair of perpendicular tangents to an ellipse is a/an-

Find the locus of the midpoint of the portion of a straight line distant p from the origin intercepted between the axes.

Find the locus of the foot of the perpendicular from the origin to the line which always passes through a fixed point(h, k).

Find the equation of the straight line which is perpendicular to the straight line 3x-2y+5=0 and whose distance from the origin is equal to the perpendicular distance of the given line from the point (2,-1).