The gradient of line joining the points `(2,-4)` and `(0,-6)` is

The projection of the line joining the ponts (3,4,5) and (4,6,3) on the line joining the points (-1,2,4) and (1,0,5) is

The slope of a line which passes through the origin the mid-point of the line segment joining the points (0,-4) and (8,0) is

Find the equation of a line passes through the point hati+hatj+5hatk and parallel to line joining the points (2,-4,1) and (0,1,3) .

(4) Find the direction cosines of the line joining the points (2,3,4) and (4,5,6).

The ordinate of a point lying on the line joining the points (6, 4) and (7, -5) is -23. Find the co-ordinates of that point.

Calcuate the ratio in which the line joining the points (4,6) and (-5,4) is divided by the line y = 3. Also, find the co-ordinates of the point of intersection.

A plane P = 0 is the perependicular bisector of the line joining the points (2, 3, 4) and (6, 7, 8). The perpendicular distance of P = 0 from the origin is

Show that the straight line joining the points A (0, -1) and B (15, 2) divides the line joining the points C (-1, 2) and D (4, -5) internally in the ratio 2:3 .

The xy-plane divides the line joining the points (-1,3,4) aned (2,-5,6)

Find the direction ratios and direction cosines of a line joining the points (3,-4,6) and (5,2,5) .