Find the equation of locus of P ,if the line segment joining `(2,3)`and `(-1,5)` subtends a right angle at P.

Find the locus of a point such that the line segments having end points (2,0) and (-2,0) subtend a right angle at that point.

Find the direction cosines of the line segment joining the points P(2,3-6) and Q(3,-4,5)

The point at which the line segment joining A(1, 1) and B (5, 5) subtends an obtuse angle is

If the segment joining the points (a,b),(c,d) subtends a right angle at the origin,then

The equation of the locus P such that the join of (p,q) and (q,p) subtend a right angle at P is

The equation of the locus P such that the join of (p,q) and (q,p) subtend a right angle at P is

Find the equation of the plane that bisects the line segment joining points (1, 2, 3) and (3, 4, 5) and is at right angle to it.

Find the locus of a point at which the angle subtended by the line segment joining (1, 2) and (-1, 3) is a right angle.

Find the equation of the plane which bisects the line segment joining the points A(2,3,4) and B(4,5,8) at right angles.