True or False :
The line joining the points (3,-4) and (-2,6) is at right angles to the line joining the points (-3,6) and (9,-18).

The slope of the line joining points (-4,5) and (0,7) is

Find the equation of the line joining the points A(0,-1,3) and B(2,-3,-1).

Determine the value of k so that the lie joining the points A(k,1,-1), B(2,0,2k) is perpendicular to the line joining the points C(4,2k,1) and D(2,3,2)

The line segment joining the points (1,2) and (-2,1) is divided by the line 3x+4y=7 in the ratio:

The direction cosines of the line joining the points (-2,1,-8) and (4,3,-5) is :

Find the angle between the x-axis and the line joining the points (3,-1) and (4,-2).

Find the direction cosine of a line joining the points (3,7,-4) and (-2,3,5).

Find the direction cosines of the lines joining the points: (-1,-1,-1) and (2,3,4)

The line segment joining the points (-3,-4) and (1,-2) is divided by y-axis in the ratio: